Harpidium (Isovella) Breyvel and Breyvel 1970 (lamp shell)

Rhynchonellata - Pentamerida - Pentameridae

Alternative spelling: Isovella

Synonym: Apopentamerus

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

See also Sepkoski 2002

Sister taxa: Harpidium (Harpidium), Harpidium (Sulcipentamerus)

Subtaxa: none

Ecology: stationary epifaunal suspension feeder

Distribution:

• Niagaran of United States (1: Indiana collection)

• Silurian of Canada (1: Québec), China (3), United States (20: California, Iowa, Wisconsin)

Total: 25 collections including 27 occurrences

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