Harpidium Kirk 1925 (lamp shell)

Rhynchonellata - Pentamerida - Pentameridae

Parent taxon: Pentameridae according to A. Williams et al. 2002

See also Jin and Chatterton 1997 and Sepkoski 2002

Sister taxa: Bisulcata, Brooksina, Capelliniella, Eokirkidium, Eopentamerus, Jolvia, Kirkidium, Lissocoelina, Nanukidium, Pentamerifera, Pentamerinae, Pentameroides, Pentameroidinae, Pentamerus, Rhipidium, Stenopentamerus, Twenhofelia

Subtaxa: Harpidium (Harpidium) Harpidium (Isovella) Harpidium (Sulcipentamerus)

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Ecology: stationary epifaunal suspension feeder


• Niagaran of United States (1: Indiana collection)

• Silurian of Canada (11: Northwest Territories, Québec), China (5), Greenland (1), Kazakhstan (1), the Russian Federation (8), Svalbard and Jan Mayen (1), United States (28: Alaska, California, Illinois, Iowa, Wisconsin)

Total: 56 collections including 60 occurrences

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Specimen images are retrieved through the ePANDDA API.

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