Table 1 List of fauna in the concretion (alphabetical within larger grouping)
Species | Habitat | Feeding strategy | Abundance |
|---|---|---|---|
Cephalopoda | |||
Baculites sp. cf. B. baculus (Meek and Hayden 1861) | Nektonic | Planktivore | Uncommon |
Hoploscaphites crassus (Coryell and Salmon 1934) | Nektonic | Planktivore | Very abundant |
Hoploscaphites plenus (Meek 1876) | Nektonic | Planktivore | Very abundant |
Hoploscaphites saltgrassensis (Elias 1933) | Nektonic | Planktivore | Abundant |
Coleoid | Nektonic | Carnivore | Uncommon |
Bivalvia | |||
Anomia gryphorhyncha (Meek 1872) | Epifaunal | Sessile suspension feeder | Uncommon |
Crenella elegantula (Meek and Hayden 1861) | Epifaunal | Mobile deposit feeder | Uncommon |
Cucullaea nebrascensis (Owen 1852) | Infaunal | Mobile suspension feeder | Common |
Cuspidaria moreauensis (Meek and Hayden 1856a) | Infaunal | Burrowing carnivore | Common |
Cuspidaria ventricosa (Meek and Hayden, 1856a) | Infaunal | Burrowing carnivore | Common |
Cymbophora warrenana (Meek and Hayden 1856b) | Infaunal | Mobile suspension feeder | Uncommon |
Endocostea typica Whitfield, 1877 | Epifaunal | Suspension feeder | Common |
Limopsis striatopunctata (Evans and Shumard 1857) | Epifaunal | Mobile suspension feeder | Uncommon |
Malletia evansi (Meek and Hayden 1856a) | Infaunal | Mobile deposit feeder | Common |
Modiolus galpinianus (Evans and Shumard 1854) | Semi-infaunal | Suspension feeder | Uncommon |
Modiolus meeki (Evans and Shumard 1857) | Semi-infaunal | Suspension feeder | Common |
Nucula cancellata Meek and Hayden, 1856a | Infaunal | Mobile deposit feeder | Very abundant |
Nucula percrassa (Conrad 1858) | Infaunal | Mobile deposit feeder | Common |
Nucula planomarginata (Meek and Hayden 1856a) | Infaunal | Mobile deposit feeder | Common |
Nuculana (Jupiteria) scitula (Meek and Hayden 1856a) | Infaunal | Mobile deposit feeder | Common |
Nuculana (Nuculana) grandensis (Speden 1970) | Infaunal | Mobile deposit feeder | Uncommon |
Nymphalucina occidentalis (Morton 1842) | Infaunal | Siphonate suspension feeder/Chemosymbiotic | Abundant |
Oxytoma (Hypoxytoma) nebrascana (Evans and Shumard 1857) | Epifaunal | Suspension feeder | Common |
Pecten (Chlamys) nebrascensis (Meek and Hayden 1856a) | Epifaunal | Mobile suspension feeder | Abundant |
Phelopteria linguiformis (Evans and Shumard 1854) | Epifaunal | Epibyssate suspension feeder | Uncommon |
Pholadomya deweyensis (Speden 1970) | Deep infaunal | Mobile suspension feeder | Uncommon |
Protocardia subquadrata (Evans and Shumard 1857) | Infaunal | Mobile deposit feeder | Very abundant |
Solemya subplicata (Meek and Hayden 1856a) | Infaunal | Siphonate suspension feeder | Uncommon |
Tenuipteria fibrosa (Meek and Hayden 1856a) | Epifaunal | Epibyssate suspension feeder | Uncommon |
Yoldia rectangularis (Speden 1970) | Infaunal | Mobile suspension feeder | Uncommon |
Gastropoda | |||
Aporrhais biangulata (Meek and Hayden 1856a) | Semi-infaunal | Detritivore | Common |
Atira? nebrascensis (Meek and Hayden 1856a) | Epifaunal | Grazer | Very abundant |
Cylindrotruncatum demersum (Sohl 1964) | Epifaunal | Carnivore | Common |
Drepanochilus evansi (Cossmann 1904) | Epifaunal | Carnivore | Very abundant |
Euspira obliquata (Hall and Meek 1856) | Epifaunal | Carnivore | Abundant |
Oligoptycha concinna (Hall and Meek 1856) | Epifaunal | Carnivore | Common |
Pyrifusus subdensatus (Conrad 1858) | Epifaunal | Carnivore | Uncommon |
Rhombopsis intertextus (Meek and Hayden 1856a) | Epifaunal | Carnivore | Uncommon |
Scaphopoda | |||
Dentalium gracile (Hall and Meek 1876) | Semi-infaunal | Carnivore | Very abundant |
Dentalium pauperculum (Meek and Hayden 1860) | Semi-infaunal | Carnivore | Very abundant |
Coelenterata | |||
Microbacia radiata (Baron-Szabo 2008) | Epifaunal | Suspension feeder | Uncommon |
Miscellaneous | |||
Burrows | Uncommon | ||
Bryozoans | Epifaunal | Suspension feeder | Uncommon |
Circular fossils | Uncommon | ||
Crustaceans | Epifaunal | Carnivore | Uncommon |
Echinoids | Epifaunal | Carnivore | Common |
Epibionts | Uncommon | ||
Fish | Nektonic | Carnivore | Abundant |
Ghost rings | Uncommon | ||
“Seeds” | Uncommon | ||
Tubes | Uncommon | ||
Wood/bone | Uncommon | ||