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Volume 137 Supplement 2

Special Issue: Hans Hess: A lifelong passion for fossil echinoderms

Hans Hess (1930–2017): a life-long passion for echinoderms

Hans Kaspar Hess died on November 10th 2017 after a long battle against Leukemia. Hans had the remarkable talent, energy, and persistence to accomplish two careers. When he retired in 1991, he was the head of the pharmaceutical development department and member of the executive board of Ciba-Geigy AG. Yet, he was also a long-time volunteer at the Natural History Museum of Basel (NMB) in the Geoscience Department. As a self-taught person, he pursued palaeontological research on echinoderms at a very high level. Furthermore, he assembled a collection of Jurassic crinoids that is housed at the NMB and is considered one of the finest in the world.

Hans Hess, citizen of Wald (Canton Zürich), was born in Basel on June 25th 1930 as the second son of his father Ernst Hess, mechanical engineer, and his mother Hedwig, born Meyerhans. He spent his school years in Basel, where he graduated from the high school “Realgymnasium” in 1949. The same year he enlisted in Pharmacology at the University of Basel. Here, he had many inspiring teachers, among them nobel laureate Tadeus Reichstein (1897–1996). In 1955, Hans graduated with the diploma and then started working on his PhD thesis, which was on a microbiological theme. He received the doctoral degree in 1958 for the thesis “Vergleichende Wertbestimmung bakterizider Mittel in gepufferten Lösungen”.

Hans married Ruth Disteli shortly before he finished his thesis. The pair would have two children: Susanne, born 1959, and Samuel, born 1962. Hans joined the chemical–pharmaceutical company CIBA in Basel in 1958, where he worked in the Pharmaceutical Development Division. He felt happy in this division and introduced novel methods, especially in the field of pharmaceutical dosage forms. He was appointed, now in the Ciba-Geigy AG, head of the Pharmaceutical Development Division in 1980. Upon his retirement in 1991, he had authored 43 pharmaceutical publications, among them a book that was translated into several languages. In addition, five patents were issued to him.

Yet, the real passion for Hans Hess was palaeontology. He had started collecting fossils as a schoolboy, quite often with his colleague Hans Holenweg. At the age of 21, his first publication appeared: the description of a comatulid, the stemless crinoid Paracomatula helvetica (Hess 1951). Around that time, he also started working on his first monograph (Hess 1955a) that treated a group of sea stars. This work was supplemented by two smaller publications (Hess 1960a, b). It was by then clear to him that he would restrict himself with very few exceptions (Hess and Weiler 1955) to fossil echinoderms. In 1955, he began a fruitful collaboration with the scientific illustrator Otto Garraux, which lasted until 1981 and was financially supported by the Swiss National Science Foundation. In the late 1950s, Hans started working on fossil ophiuroids. First, he described articulated material from France, Switzerland, England, and a few other European countries (Hess 1960c, d, e, f, 1964, 1965b, c, 1970a, b, 1972b; Enay and Hess 1962, 1970; Hess and Palain 1975). Yet he soon realized that richer material could be obtained by processing large amounts of weakly consolidated sediments. Consequently, he started a research program which lasted almost 15 years and resulted in seven major publications (Hess 1962a, b, 1963, 1965a, 1966, 1975b, c). However, Hans also continued to describe crinoids, asteroids, and echinoids, mostly from the Jurassic of Switzerland (Hess 1968, 1971, 1972d, 1974, 1977). He prepared and studied this material at home, but brought it after publication to the NMB. In 1975, his book “Die fossilen Echinodermen des Schweizer Juras” appeared (Hess 1975a). It was a landmark publication and, although now decades old, is still the standard for every fossil collector for the identification of echinoderms of this region. One supplement to this book was published by Hans (Hess 1985a) and six others by Annemarie Zbinden (1986a, b, 1987a, b, 1988a, b).

Apart from weakly consolidated sediments, one lithologic unit remained in Hans’ focus for many years and was sampled again and again: this was the Bajocian Hauptrogenstein Formation and adjoining Klingnau Formation. In various localities, fossiliferous beds crop out that are often completely dominated by crinoids, but in some places contain a highly diverse echinoderm fauna. In fact, the material for his first publication (Hess 1951) came from such a locality. These beds also became the subject of numerous subsequent publications (Hess 1955b, 1972a, c, 1973, 2001, 2017; Hess and Holenweg 1985, 1998; Hess et al. 2012). His monograph of the highly diverse fauna including other echinoderms of Schinznach (Hess 1972c) stands out in particular as a masterly treatment. The Bajocian material alone fills 125 drawers in the NMB echinoderm collection plus another 10 drawers in his personal reference collections.

During his years at CIBA and later Ciba-Geigy AG, he also published a few popular papers in the company’s journal (Hess 1960g, 1969, 1972e). Although in a very responsible position in that company after 1980, his pace of publishing did not slow down. He continued to describe new asteroids (Hess 1981, 1983, 1986a, b, 1987, 1991b, 1994, 1995; Neumann and Hess 2001), ophiuroids (Hess 1985b, 1991a; Hess and Meyer 2008; Bourseau et al. 1991), echinoids (Hess 1984b), and crinoids (Hess and Pugin 1983; Hess 1984a, 1985b). During the late 1990s, Hans decided to focus entirely on the crinoids. In 1999, the beautiful book “Fossil Crinoids” (Hess et al. 1999) appeared, which he edited with three colleagues from Ireland and the USA. Eight authors collaborated with line drawings done by René Kindlimann. From 2000 until 2017, he again authored almost two publications per year. Many of these were on stalked crinoids (Hess 2006a, b, c, 2008, 2010a, 2012, 2014b, c, d, e; Hess and Spichiger 2001; Baumiller et al. 2008; Hess and Gale 2010; Hess et al. 2011; Hess and Etter 2014; Hess et al. in press), but Hans became also increasingly interested in stalkless, pelagic crinoids (Hess 2000, 2002, 2014a, 2015a; Hess and Etter 2011; Hess and Thiel 2015; Hess et al. 2016; Hess and Thuy in press). In addition, Hans wrote a chapter on the echinoderms of the Solnhofen Plattenkalk (Hess 2015b) and co-authored a paper on the first records of the deep-sea fauna (Etter and Hess 2015). Despite the international recognition for his work, Hans stayed faithful to the Swiss palaeontological community and published almost all his work in the Eclogae geologicae Helvetiae, the Schweizerische Paläontologische Abhandlungen, later the Swiss Journal of Geosciences and the Swiss Journal of Palaeontology.

An outstanding publication was the work on the crinoids from the Pliensbachian of Arzo (Hess 2006a). As with the ophiuroids, Hans had started to sieve disintegrated sediments, and the material from Arzo proved overwhelmingly rich. From nearly 30,000 isolated ossicles, Hans reconstructed 30 crinoid species, of which 16 were new to science. Perhaps, the most important palaeontological contribution was his work on the “Treatise on Invertebrate Paleontology” (Hess 2010b; Hess and Messing 2011). The volume he authored together with Charles Messing was a revision of the Mesozoic–Cenozoic group of the Articulata. On 261 pages, all known genera are arranged in a modern classification, their characters as well as their stratigraphical and geographical distribution are described, and illustrations of at least the type species are given. Hans could only cope with that task through his enormous endurance and diligence. Charles acknowledges that Hans did the vast lion’s share of the work, including assembling all of the plates and synonymies.

Hans’ palaeontological activities did not only encompass research. He actively participated in exhibition projects. At the NMB, he was responsible for eight display cases of the fossil gallery that opened in 1978 (Fig. 1). Later, he designed a small permanent exhibit on pelagic crinoids. In 2000, he organized a small exhibition on fossil crinoids for the community museum of Binningen.

Fig. 1
figure 1

Hans Hess in the “Fossil Gallery” at the NMB in 2013, an exhibit that he helped to conceptualize in the late 1970s. Photo © Andreas Zimmermann

Hans was a person who easily socialized with peers. He was a long-term member of the Swiss Palaeontological Society, joined as a student, and presided over this society 1964–1965. He was also a member of the “Naturforschende Gesellschaft Basel”. He joined the NMB as a volunteer in the 1950s and remained in contact until a week before his death. In 1992, the “Association for the Natural History Museum” was founded, not the least through the efforts of Hans Hess. He became the first president of this association, which later changed its name to “Association of the Friends of the Natural History Museum” (“Verein Freunde des Naturhistorischen Museums Basel”).

Not surprisingly, Hans received substantial recognition for his outstanding contributions in palaeontology. In 1988, he received the honorary doctor from the University of Basel. In addition, he was honoured with various awards from different scientific societies:

  • 2001 Bloomer Award from the Linnean Society.

  • 2002 Harrell L. Strimple Award from the Paleontological Society (Blake 2003).

  • 2006 Amanz Gressly-Preis from the Swiss Palaeontological Society.

  • 2013 Mary Anning Award of the Palaeontological Association.

  • 2015 election to corresponding member of the Paläontologische Gesellschaft (Hagdorn 2016).

Several new species were named in his honour, and three genera bear his name: Hessaster (asteroid), Hanshessia (ophiuroid), and Hessicrinus (crinoid). In addition, the first special issue of the new Swiss Journal of Palaeontology was dedicated to Hans to honour his 80th birthday (Meyer 2011) and contained contributions of internationally renowned palaeontologists.

As a scientist, Hans was incredibly diligent, persistent, and efficient. He was also always enthusiastic about new projects, always willing to share his expertise with others and at the same time modest, warm-hearted, and generous. With his death, the scientific community will sadly miss one of the leading experts in echinoderm palaeontology who stands in the line of Swiss palaeontologists such as Louis Agassiz, Edouard Desor, Perceval de Loriol, and Alphonse Jeannet. The NMB has lost one of the most prolific and distinguished volunteers and at the same time a great personality. Hans leaves behind his wife Ruth, daughter Susanne and son Samuel, and their grandchildren. Together with them, we deeply regret the death of Hans Hess.

References

Chronological list of publications of Hans Hess

  • Hess, H. (1951). Ein neuer Crinoide aus dem mittleren Dogger der Nordschweiz (Paracomatula helvetica n. gen. n.sp.). Eclogae Geologicae Helvetiae, 43, 208–216.

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  • Hess, H. (1955a). Die fossilen Astropectiniden. Schweizerische Paläontologische Abhandlungen, 71, 1–113.

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  • Hess, H., & Weiler, W. (1955). Untersuchungen an Fischen aus dem Alttertiär der Umgebung von Basel. Eclogae Geologicae Helvetiae, 48, 427–447.

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  • Hess, H. (1955b). Zur Kenntnis der Crinoidenfauna des Schweizer Juras. I. Die Gattungsmerkmale von Isocrinus und Pentacrinus. Eclogae Geologicae Helvetiae, 48, 468–480.

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  • Hess, H. (1960a). Über die Abgrenzung der Astropectiniden-Gattungen Pentasteria Valette und Archastropecten Hess. Eclogae Geologicae Helvetiae, 53, 329–331.

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  • Hess, H. (1960b). Pentasteria (Archastropecten) procera n.sp. (Asteroidea, Astropectinidae) aus dem Bajocien von Cheltenham (England). Eclogae Geologicae Helvetiae, 53, 331–334.

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  • Hess, H. (1960c). Neubeschreibung von Geocoma elegans (Ophiuroidea) aus dem unteren Callovien von La Voulte-sur-Rhône (Ardèche). Eclogae Geologicae Helvetiae, 53, 335–385.

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  • Hess, H. (1960d). Ophiurenreste aus dem Malm des Schweizer Juras und des Departements Haut-Rhin. Eclogae Geologicae Helvetiae, 53, 385–421.

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  • Hess, H. (1960e). Ophioderma escheri Heer aus dem unteren Lias der Schambelen (Kt. Aargau) und verwandte Lias-Ophiuren aus England und Deutschland. Eclogae Geologicae Helvetiae, 53, 757–793.

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  • Hess, H. (1960f). Über zwei Ophiuren (Ophiocoma? rasmusseni n. sp. und Ophiotitanos tenuis Spencer) aus der englischen Kreide. Eclogae Geologicae Helvetiae, 53, 747–757.

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  • Hess, H. (1960g). Versteinerungen und was sie uns erzählen. Ciba-Blätter, November-Dezember, 1960, 26–32.

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  • Enay, R., & Hess, H. (1962). Sur la découverte d’Ophiures (Ophiopetra lithographica n.g.n.sp.) dans le Jurassique supérieur du Haut-Valromey (Jura méridional). Eclogae Geologicae Helvetiae, 55, 657–674.

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  • Hess, H. (1962a). Mikropaläontologische Untersuchungen an Ophiuren I. Einleitung. Eclogae geologicae Helvetiae, 55, 595–608.

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  • Hess, H. (1962b). Mikropaläontologische Untersuchungen an Ophiuren II. Die Ophiuren aus dem Lias (Pliensbachien–Toarcien) von Seewen (Kt. Solothurn). Eclogae Geologicae Helvetiae, 55, 609–656.

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  • Hess, H. (1963). Mikropaläontologische Untersuchungen an Ophiuren. III. Die Ophiuren aus dem Callovien von Liesberg (Berner Jura). Eclogae Geologicae Helvetiae, 56, 1141–1164.

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  • Hess, H. (1964). Die Ophiuren des englischen Jura. Eclogae Geologicae Helvetiae, 57, 755–802.

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  • Hess, H. (1965a). Mikropaläontologische Untersuchungen an Ophiuren. IV. Die Ophiuren aus dem Renggeri-Ton (Unter-Oxford) von Chapois (Jura) and Longecombe (Ain). Eclogae Geologicae Helvetiae, 58, 1059–1082.

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  • Hess, H. (1965b). Trias-Ophiuren aus Deutschland, England, Italien und Spanien. Mitteilungen der Bayerischen Staatssammlung, Paläontologie und historische Geologie, 5, 151–177.

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  • Hess, H. (1965c). Ophiuren-Reste (Echinodermata) aus den Neuburger Bankkalken (Mittel-Tithon) des Fränkischen Jura. Mitteilungen der Bayerischen Staatssammlung, Paläontologie und historische Geologie, 5, 179–184.

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  • Hess, H. (1966). Mikropaläontologische Untersuchungen an Ophiuren. V. Die Ophiuren aus dem Argovien (unteres Ober-Oxford) vom Guldenthal (Kt. Solothurn) und von Savigna (Dépt. Jura). Eclogae Geologicae Helvetiae, 59, 1025–1063.

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  • Hess, H. (1968). Ein neuer Seestern (Pentasteria longispina n. sp.) aus den Effingerschichten des Weissensteins (Kt. Solothurn). Eclogae Geologicae Helvetiae, 61, 607–614.

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  • Hess, H. (1969). Symmetrie im Tierreich. CibaBlätter, Nr. 219 JanuarFebruar 1969, 18–20.

  • Hess, H. (1970a). Ein neuer Schlangenstern (Aplocoma mutata n. sp.) aus dem Hettangien von Ceilhes (Hérault) und Bemerkungen über “Ophioderma” squamosa aus dem Muschelkalk. Eclogae Geologicae Helvetiae, 63, 1059–1067.

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  • Hess, H. (1970b). Schlangensterne und Seesterne aus dem oberen Hauterivien “Pierre jaune” von St-Blaise bei Neuchâtel. Eclogae Geologicae Helvetiae, 63, 1069–1091.

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  • Enay, R., & Hess, H. (1970). Nouveaux gisements à Stelléroides dans le Kimméridgien supérieur (Calcaires en plaquettes) du Jura méridional – Ain, France. Eclogae Geologicae Helvetiae, 63, 1093–1107.

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  • Hess, H. (1971). Über einige Echiniden aus Dogger und Malm des Schweizer Juras. Eclogae Geologicae Helvetiae, 64, 611–633.

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  • Hess, H. (1972a). Chariocrinus n. gen. für Isocrinus andreae Desor aus dem unteren Hauptrogenstein (Bajocien) des Basler Juras. Eclogae Geologicae Helvetiae, 65, 197–210.

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  • Hess, H. (1972b). An Ophiuroid from the Triassic of Makhtesh Ramon (Negev, Israel). Eclogae Geologicae Helvetiae, 65, 725–729.

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  • Hess, H. (1972c). Eine Echinodermenfauna aus dem mittleren Dogger des Aargauer Juras. Schweizerische Paläontologische Abhandlungen, 92, 1–87.

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  • Hess, H. (1972d). Planktonic Crinoids of Late Jurassic Age from Leg 11, Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project, 11, 631–643.

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  • Hess, H. (1972e). The Fringelites of the Jurassic Sea. Ciba-Geigy Journal, 2(1972), 14–17.

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  • Hess, H. (1973). Neue Echinodermenfunde aus dem mittleren Dogger des Aargauer Juras. Eclogae Geologicae Helvetiae, 66, 625–656.

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  • Hess, H. (1974). Neue Funde des Seesterns Terminaster cancriformis (Quenstedt) aus Callovien und Oxford von England, Frankreich und der Schweiz. Eclogae Geologicae Helvetiae, 67, 647–659.

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  • Hess, H. (1975a). Die fossilen Echinodermen des Schweizer Juras. Veröffentlichungen aus dem Naturhistorischen Museum Basel, Nr., 8, 1–130.

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  • Hess, H. (1975b). Mikropaläontologische Untersuchungen an Ophiuren. VI. Die Ophiuren aus den Günsberg-Schichten (oberes Oxford) vom Guldental (Kt. Solothurn). Eclogae Geologicae Helvetiae, 68, 591–601.

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  • Hess, H. (1975c). Mikropaläontologische Untersuchungen an Ophiuren. VII. Die Ophiuren aus den Humeralis-Schichten (Ober-Oxford) von Raedersdorf (Ht-Rhin). Eclogae Geologicae Helvetiae, 68, 603–612.

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  • Hess, H., & Palain, C. (1975). Ophiures de l’Hettangien du Nord du Portugal. Communicações dos Serviços Geológicos de Portugal, 59, 5–13.

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  • Hess, H. (1977). Neubearbeitung des Seesterns Pentaceros jurassicus aus den Solnhofener Plattenkalken. Neues Jahrbuch für Geologie und Paläontologie Monatshefte, 1977(6), 321–330.

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  • Hess, H. (1981). Ein neuer Seestern (Mesotremaster zbindeni n. sp.) und andere Echinodermen aus dem mittleren Oxford von Reuchenette (Berner Jura). Eclogae Geologicae Helvetiae, 74, 681–699.

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  • Hess, H., & Pugin, L. (1983). Balanocrinus berchteni n. sp., un nouveau crinoide bajocien des Préalpes médianes fribourgeoises. Eclogae Geologicae Helvetiae, 76, 691–700.

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  • Hess, H. (1983). Ein neuer Seestern (Testudinaster peregrinus n. g. n. sp.) aus dem mittleren Dogger des Aargauer Juras. Eclogae Geologicae Helvetiae, 76, 919–925.

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  • Hess, H. (1984a). Eine neue Varietät der Seelilie Millericrinus milleri aus dem unteren Oxford von Liesberg. Schweizer Strahler, 6(10), 460–463.

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  • Hess, H. (1984b). Ein seltener Seeigel aus dem Malm des Juras. Schweizer Strahler, 6(12), 505–510.

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  • Hess, H. (1985a). Nachträge zu “Die fossilen Echinodermen des Schweizer Jura”. Echiniden, 1. Beitrag. Schweizer Strahler, 7(Heft 3), 97–103.

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  • Hess, H. (1985b). Schlangensterne und Seelilien aus dem unteren Lias von Hallau (Kanton Schaffhausen). Mitteilungen der Naturforschenden Gesellschaft Schaffhausen, 33, 1–15.

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  • Hess, H., & Holenweg, H. (1985). Die Begleitfauna auf den Seelilienbänken im mittleren Dogger des Schweizer Juras. Tätigkeitsbericht der Naturforschenden Gesellschaft Baselland, 33, 141–177.

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  • Hess, H. (1986a). Ein Fund des Seesterns Terminaster cancriformis (Quenstedt) aus den Solnhofener Plattenkalken. Archaeopteryx, 1986, 47–50.

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  • Hess, H. (1986b). Eine neue Seesternplatte vom Weissenstein. Schweizer Strahler, 7(7), 303–308.

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  • Hess, H. (1987). Neue Seesternfunde aus dem Dogger des Schweizer Juras. Eclogae Geologicae Helvetiae, 80, 907–918.

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  • Hess, H. (1991a). Neue Schlangensterne aus dem Toarcium und Aalenium des Schwäbischen Jura (Baden-Württemberg). Stuttgarter Beiträge zur Naturkunde, Serie B, 180, 1–11.

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  • Hess, H. (1991b). Neue Seesterne (Goniasteridae) aus dem mittleren Oxford von Reuchenette (Berner Jura). Eclogae Geologicae Helvetiae, 84, 873–891.

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  • Bourseau, J. P., Hess, H., Bernier, P., Barale, G., Buffetaut, E., Gaillard, C., et al. (1991). Découverte d’ophiures dans les calcaires lithographiques de Cerin (Kimméridgien supérieur, Ain, France). Systématique et implications taphonomiques. Comptes Rendus de l’Académie des Sciences, Série II, 312, 793–799.

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  • Hess, H. (1994). New specimen of the sea star Testudinaster peregrinus Hess from the Middle Jurassic of northern Switzerland. Eclogae Geologicae Helvetiae, 87, 987–993.

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  • Hess, H. (1995). Coulonia platyspina n. sp., a new sea star from the Lower Cretaceous of Morocco. Eclogae Geologicae Helvetiae, 88, 777–788.

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  • Hess, H., & Holenweg, H. (1998). Ein neuer Holothurienfund aus dem Schweizer Jura. Fossilien, 15, 306–309.

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  • Hess, H., Ausich, W. I., Brett, C. E., & Simms, M. J. (Eds.). (1999). Fossil crinoids. Cambridge: Cambridge University Press.

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  • Hess, H. (2000). Saccocomen aus dem Malm Süddeutschlands und ihre Lebensweise. Fossilien, 17, 347–358.

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  • Hess, H. (2001). Der Hauptrogenstein von Schinznach. In W. K. Weidert (Ed.), Klassische Fundstellen der Paläontologie 4 (pp. 119–129). Korb: Goldschneck-Verlag.

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  • Hess, H., & Spichiger, P. U. (2001). Argoviacrinus rarissimus n. g. n. sp., a new crinoid (Echinodermata) from the Middle Oxfordian of northern Switzerland. Eclogae Geologicae Helvetiae, 94, 489–494.

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  • Neumann, C., & Hess, H. (2001). Coulonia parva n. sp., a new species of Astropectinidae (Asteroidea; Echinodermata) from the Santonian (Upper Cretaceous) of Sierra de Montsech (southern Pyrenees, Spain). Paläontologische Zeitschrift, 75, 7–11.

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  • Hess, H. (2002). Remains of Saccocomids (Crinoidea: Echinodermata) from the Upper Jurassic of southern Germany. Stuttgarter Beiträge zur Naturkunde, Serie B, 329, 1–57.

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  • Hess, H. (2006a). Crinoids (Echinodermata) from the Lower Jurassic (Upper Pliensbachian) of Arzo, southern Switzerland. Schweizerische Paläontologische Abhandlungen, 126, 1–144.

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  • Hess, H. (2006b). Crinoidi (Echinodermata) dal Lias di Arzo (Übersetzung R. Stockar). Bolletino della Società ticinese di Scienze naturali, 94, 91–102.

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  • Hess, H. (2006c). Les Crinoïdes du Jurassique inférieur (Pliensbachien supérieur, Domérien) d’Arzo (sud de la Suisse) et comparaison avec le Toarcien de May-sur-Orne (Calvados, France). L’Echo des Falaises, Association paléontologique de Villers-sur-Mer, 10, 7–21.

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  • Hess, H., & Meyer, C. A. (2008). A new ophiuroid (Geocoma schoentalensis sp. nov.) from the Middle Jurassic of northwestern Switzerland and remarks on the family Aplocomidae Hess 1965. Swiss Journal of Geosciences, 101, 29–40.

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  • Baumiller, T. K., Gahn. F. J., Hess, H. & Messing, C. G. (2008). Chapter 1: Taphonomy as an indicator of behavior among fossil crinoids. In W.I. Ausich & G. Webster (Eds), Echinodermata paleobiology (pp. 7–20). Indiana: Indiana University Press.

  • Hess, H. (2008). Cyclocrinus, an enigmatic Jurassic-Cretaceous crinoid. Swiss Journal of Geosciences, 101, 465–481.

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  • Hess, H. (2010a). Myzostome deformation on arms of the Early Jurassic crinoid Balanocrinus gracilis (Charlesworth). Journal of Paleontology, 84, 1031–1034.

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  • Hess, H. (2010b). Paleoecology of Pelagic Crinoids, in Treatise on Invertebrate Paleontology, Pt. T, Revised, Vol. 1, Chapter 19; Treatise Online, number 16, 1–33.

  • Hess, H., & Gale, A. S. (2010). Crinoids from the Shenley Limestone (Albian) of Leighton Buzzard (Bedfordshire). Journal of Systematic Palaeontology, 8, 427–447.

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  • Hess, H., & Etter, W. (2011). Life and death of Saccocoma tenella (Goldfuss). Swiss Journal of Geosciences, 104(Supplement 1), S99–S106.

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  • Hess, H. & Messing, C. G. (2011). Treatise on Invertebrate Paleontology, Pt. T, Echinodermata 2: Crinoidea, Subclass Articulata (vol. 3, revised). Kansas: Kansas University Paleontological Institute.

  • Hess, H., Salamon, M. A., & Gorzelak, P. (2011). Late Jurassic-Early Cretaceous (Tithonian-Berriasian) cyrtocrinids from southeastern Poland. Neues Jahrbuch für Geologie und Paläontologie Abhandlungen, 260, 119–128.

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  • Hess, H. (2012). Crinoids from the Middle Jurassic (Bajocian–Lower Callovian) of Ardèche, France. Swiss Journal of Palaeontology, 131, 211–253.

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  • Hess, H., Kutz, M. & Franz, M. (2012). Vollständig erhaltene Crinoiden im Hauptrogenstein bei Freiburg (Completely preserved crinoids from the Hauptrogenstein near Freiburg). Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Vereines, N.F. 94, 29–42.

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  • Hess, H. (2014a). Origin and radiation of the comatulids (Crinoidea) in the Jurassic. Swiss Journal of Palaeontology, 133, 23–34.

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  • Hess, H. (2014b). Balanocrinus (Crinoidea) from the Jurassic: Species concept, reconstruction, ontogeny, taphonomy and ecology. Swiss Journal of Palaeontology, 133, 35–45.

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  • Hess, H. (2014c). Balanocrinus and other crinoids from Late Jurassic mudstones of France and Switzerland. Swiss Journal of Palaeontology, 133, 47–75.

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  • Hess, H. (2014d). The crinoid Eugeniacrinites cariophilites from the Late Jurassic of southern Germany: babies, cripples and enigmatic wing plates. Swiss Journal of Palaeontology, 133, 121–140.

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  • Hess, H. (2014e). Seeigel auf Seelilienjagd. Fossilien, 31(Heft 2), 17–19.

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  • Hess, H., & Etter, W. (2014). Seelilien im Oberjura von Liesberg. Fossilien, 31(Heft 5), 16–22.

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  • Hess, H. (2015a). Roveacrinids (Crinoidea) from the mid-Cretaceous of Texas: ontogeny, phylogeny, functional morphology and lifestyle. Swiss Journal of Palaeontology, 134, 77–107.

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Acknowledgements

This obituary could not have been written without the help of many persons who either contributed substantially to the content or critically read the manuscript: Hans Hess himself, his wife Ruth, his son Samuel, Charles Messing (who also corrected the English), Ben Thuy, Hans Hagdorn, Tomasz Baumiller, Daniel Marty, Basil Thüring, and Christian Meyer. Sincere thanks to all of them.

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Correspondence to Walter Etter.

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Editorial handling: D. Marty.

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Etter, W. Hans Hess (1930–2017): a life-long passion for echinoderms. Swiss J Palaeontol 137, 127–131 (2018). https://doi.org/10.1007/s13358-017-0143-8

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Keywords

  • Palaeontological Activities
  • Pelagic Crinoids
  • Fossil Crinoids
  • Swiss Journal
  • Hess 2006a