Bivalvia - Cardiida - Arcticidae
Alternative spelling: Protocardia (Isocyprina)
Parent taxon: Arcticidae according to H. E. Vokes 1980
See also Bouchet et al. 2010, Krumbeck 1924, Marquez-Aliaga et al. 2010, Ros-Franch et al. 2014, Scholz et al. 2008 and Sepkoski 2002
Sister taxa: Agapella, Ambonicardia, Anisocardia, Anisocardioides, Antarctica, Antiquicyprina, Aquilonia, Arctica, Coelocyprina, Dietrichia, Epicyprina, Etea, Fengjiachongia, Gythemon, Hartwellia, Izumia, Lilingella, Loparia, Microcyprina, Mokattamia, Petalocardia, Plesiocyprina, Procyprina, Pronoella, Proveniella, Pseudotrapezium, Pygocardia, Rollierella, Roudairia, Schedotrapezium, Somarctica, Staffinella, Tenea, Tortarctica, Vectianella, Venericyprina, Veniella, Venilicardia, Yunshania, Agelasina, Amiodon
Subtaxa: Isocyprina (Eotrapezium) Isocyprina alcyon Isocyprina ancatruzi Isocyprina concentrica Isocyprina cyreniforme Isocyprina ewaldi Isocyprina lhasaensis Protocardia (Isocyprina) timorensis
Type: Cardium cyreniforme
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Cretaceous of Japan (5 collections), Svalbard and Jan Mayen (2), the United Kingdom (3)
• Jurassic to Cretaceous of Canada (1: British Columbia)
• Jurassic of Canada (3: British Columbia, Yukon), China (2), France (28), Germany (6), Greenland (42), India (14), Iran (1), Japan (1), Jordan (1), Kenya (5), Mexico (1), New Zealand (4), Portugal (38), Saudi Arabia (6), Somalia (1), Spain (25), Svalbard and Jan Mayen (5), Tanzania (3), Tunisia (3), the United Kingdom (58), United States (4: Alaska, Montana, Oregon, Wyoming), Vietnam (1)
• Triassic of Austria (67), China (2), France (1), Germany (1), Hungary (1), Indonesia (1), Italy (2), the Netherlands (2), Peru (1), Spain (7), the United Kingdom (8)
Total: 356 collections including 408 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.