†Hybocrinus tumidus Billings 1857 (Sea lily)
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Crinoidea - Hybocrinida - Hybocrinidae
Belongs to Hybocrinus according to R. L. Parsley 1981
Sister taxa: Hybocrinus conicus, Hybocrinus nitidus, Hybocrinus pristinus
Type specimen: GSC 1419b and 1419c (cotypes), a calyx
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Canada (5: Ontario, Quebec collections), United States (1: Kentucky)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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