Bivalvia - Cyrtodontida - Cyrtodontidae
Synonym: Palaearca Hall 1860
Full reference: E. Billings. 1858. The Black River fauna. Canadian Geological Survey Report of Progress 1857:147-192
Parent taxon: Cyrtodontidae according to H. E. Vokes 1980
See also Bouchet et al. 2010, Cox et al. 1969, Hall 1860, Hayami and Kase 1977, Isberg 1934, Raymond 1916, Sepkoski 2002 and Toni 1975
Sister taxa: Cyrtodontinae, Cyrtodontula, Daliella, Dickinsartella, Heikea, Macrodesma, Matheria, Ortonella, Pharcidoconcha, Ptychodesmatinae, Sowteria, Thorslundia, Vanuxemia, Vigorniella, Warburgia, Yonginella
Subtaxa: Cyrtodonta belli Cyrtodonta billingsi Cyrtodonta bodae Cyrtodonta breviuscula Cyrtodonta carberryi Cyrtodonta cornwallia Cyrtodonta dalecarlica Cyrtodonta exigua Cyrtodonta gibbera Cyrtodonta gibbosa Cyrtodonta grandis Cyrtodonta hazeli Cyrtodonta holmi Cyrtodonta huronensis Cyrtodonta kagawongensis Cyrtodonta kallholniensis Cyrtodonta kayseri Cyrtodonta lamellosa Cyrtodonta lindstromi Cyrtodonta megumbona Cyrtodonta mira Cyrtodonta mobergi Cyrtodonta oboloidea Cyrtodonta orsae Cyrtodonta ovalis Cyrtodonta ponderosa Cyrtodonta prima Cyrtodonta quartzitica Cyrtodonta richardi Cyrtodonta scala Cyrtodonta schmalenseei Cyrtodonta solitaria Cyrtodonta staffordae Cyrtodonta subovata Cyrtodonta suecica Cyrtodonta wattii
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution:
• Devonian of Canada (1: Quebec collection), New Zealand (2)
• Silurian of Canada (1: Ontario), China (5), the United Kingdom (2), United States (12: Iowa, New York, Wisconsin)
• Chazyan of Canada (3: Ontario, Quebec), United States (5: New York)
• Whiterockian of United States (2: Minnesota)
• Ordovician of Australia (16), Canada (22: British Columbia, Nunavut, Ontario), China (2), Norway (1), Sweden (2), the United Kingdom (8), United States (80: Colorado, Illinois, Iowa, Kentucky, Michigan, Minnesota, Minnesota, Illinois, Iowa, Minnesota, Iowa, Wisconsin, Illinois, Minnesota, Wisconsin, Illinois, Missouri, New York, Ohio, Tennessee, Virginia, Wisconsin, Wisconsin, Illinois, Iowa)
Total: 164 collections including 186 occurrences
Specimen images are retrieved through the ePANDDA API.
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