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Class:
Astrorhizata
Subclass:
Astrorhizana
Order:
Astrorhizida
Family:
Astrorhizidae
Hippocrepina
Parker, 1870
Hippocrepina depressa
Vasicek, 1947
identified by scientist
Jurassic
off West Australia
Hippocrepina depressa
Vasicek, 1947
identified by scientist
Cretaceous
off West Australia
Hippocrepina indivisa
Parker, 1870
identified by scientist
Quaternary
Gulf of St. Lawrence
Hippocrepina rudis
Fuchs, 1970
type specimen holotype
Jurassic
Vienna Basin