Skip to main content
Fig. 3 | Swiss Journal of Palaeontology

Fig. 3

From: Balanocrinus and other crinoids from Late Jurassic mudstones of France and Switzerland

Fig. 3

Size and morphological features of Oxfordian Balanocrinus columns. Balanocrinus subteres (Münster in Goldfuss); Birmenstorf Member, Middle Oxfordian (Transversarium Zone), Chalch Quarry, Holderbank. a Pluricolumnal with complete noditaxis (enlarged parts at left), M11338, note lack of cupules and cirri sticking out laterally. b Pluricolumnal with characters of B. argoviensis (Moesch), M11344, b1 lateral, b2 lower facet. c Pluricolumnal of 3 internodals, M11355, c1 lateral, c2 upper facet. Balanocrinus brachiospina n. sp., early Late Oxfordian, Savigna. d Pluricolumnal of 6 with nodal at base, M11341, d1 lateral, d2 upper facet. e Pluricolumnal of 7 with nodal at base, M11340, note cupules for reception of the proximal part of the cirri. f Pluricolumnal of 7 internodals, this is the largest column from Savigna, M11339, f1 lateral, f2 upper facet. Balanocrinus brachiospina n. sp., Early Oxfordian, Andelot-Morval. g Pluricolumnal with nodal, 11356, g1 lateral, g2 upper facet. h Pluricolumnal with nodal and adpressed cirrus, M11357, h1 lateral, h2 upper facet. i Large pluricolumnal of 3 internodals, M11358, i1 lateral, i2 upper facet

Back to article page