Crinoidea - Isocrinida - Isocrinidae

Alternative combination: Pentacrinites annulatus

Synonym: Pentacrinus alternatus d'Orbigny 1850

Belongs to Isocrinus according to M. Salamon et al. 2020

See also Rasmussen 1961

Sister taxa: Isocrinus (Chladocrinus), Isocrinus (Diplocrinus), Isocrinus (Isocrinus), Isocrinus amblyscalaris, Isocrinus arduennensis, Isocrinus arzierensis, Isocrinus bleytonensis, Isocrinus brotzeni, Isocrinus californicus, Isocrinus campanularis, Isocrinus cenomanensis, Isocrinus dentatogranulatus, Isocrinus diegonensis, Isocrinus divergens, Isocrinus doliolum, Isocrinus dumortieri, Isocrinus echinatus, Isocrinus florifer, Isocrinus gevreyi, Isocrinus gocevi, Isocrinus granosus, Isocrinus knighti, Isocrinus lanceolatus, Isocrinus legeri, Isocrinus lissajouxi, Isocrinus longus, Isocrinus mallevalensis, Isocrinus minutus, Isocrinus nehalemensis, Isocrinus neocomiensis, Isocrinus nicoleti, Isocrinus nodulosus, Isocrinus perlatus, Isocrinus peyroulensis, Isocrinus propinquus, Isocrinus psilonoti, Isocrinus sublaevigatus, Isocrinus thiessingi, Isocrinus wyomingensis, Isocrinus zeltbergensis

Type specimens:

• Isocrinus annulatus: Isocrinites pendulus
• Pentacrinus alternatus:

Ecology: stationary upper-level epifaunal suspension feeder

Distribution: there are no occurrences of Isocrinus annulatus in the database

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Specimen images are retrieved through the ePANDDA API.