Pernopecten Winchell 1865 (scallop)

Bivalvia - Pectinida - Entoliidae

Full reference: A. Winchell. 1865. Descriptions of new species of fossils from the Marshall group of Michigan, and its supposed equivalent in other states; with notes on some fossils of the same age previously described. Proceedings of the Academy of Natural Sciences, Philadelphia 1865:109-133

Parent taxon: Entoliidae according to N. D. Newell and D.W. Boyd 1995

See also Ambler 1992, Sepkoski 2002 and Vokes 1980

Sister taxa: Cingentolium, Entoliinae, Entolioides, Entolium, Palaeoentoliinae, Scythentolium, Somapecten, Syncyclonema, Syncyclonematinae

Subtaxa: Pernopecten attenuatus Pernopecten clypeatus Pernopecten guangdongensis Pernopecten guizhouensis Pernopecten huayingshanensis Pernopecten latangulatus Pernopecten malaysia Pernopecten obliquus Pernopecten ohioensis Pernopecten prosseri Pernopecten salarius Pernopecten sichuanensis Pernopecten subglobusus Pernopecten subpiriformis Pernopecten symmetricus Pernopecten terukoae Pernopecten vadegensis Pernopecten yini Pernopecten zhonglingensis Pernopecten zhutangensis

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Ecology: facultatively mobile epifaunal suspension feeder

Distribution:

• Triassic of Italy (10 collections), United States (7: Utah)

• Permian of China (53), Hungary (8), Japan (4), Malaysia (2), Pakistan (2), the Russian Federation (2), United States (28: Alaska, New Mexico, Texas)

• Virgilian of United States (4: Illinois, Ohio)

• Desmoinesian of United States (11: Kansas, Missouri, Ohio)

• Atokan of United States (1: Wyoming)

• Pennsylvanian of United States (1: Alaska)

• Westphalian of Spain (1), the United Kingdom (1)

• Carboniferous of Australia (2), China (4), Germany (1), the United Kingdom (13), United States (4: Alaska, California, Iowa, Nevada)

• Devonian of Germany (2)

Total: 161 collections including 185 occurrences

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