Strophomenata - Orthotetida - Triplesiidae
Parent taxon: Triplesiidae according to A. Williams et al. 2000
See also Mitchell 1977, Owen and Harper 1982, Sepkoski 2002 and Wright 1964
Sister taxa: Acaretyrricula, Amphiplecia, Bicuspina, Brachymimulus, Caeroplecia, Cliftonia, Craigella, Grammoplecia, Ogmoplecia, Onychoplecia, Onychotreta, Paraonychoplecia, Placotriplesia, Plectotreta, Streptis, Triplesia
Subtaxa: Oxoplecia abnormis Oxoplecia andersoni Oxoplecia calhouni Oxoplecia cooperi Oxoplecia costellata Oxoplecia holstonensis Oxoplecia monitorensis Oxoplecia multicostellata Oxoplecia plicata Oxoplecia subborealis Oxoplecia ujukensis
Type: Oxoplecia calhouni
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Canada (2: Quebec collections), United States (4: Arkansas, Wisconsin)
• Chazyan of United States (4: Tennessee, Virginia)
• Whiterockian of United States (2: Nevada, Virginia)
• Ordovician to Silurian of Canada (2: Québec)
• Ordovician of Belgium (8), Canada (6: British Columbia, Quebec), China (7), Estonia (6), Ireland (2), Latvia (3), Norway (9), Portugal (1), the Russian Federation (2), Sweden (3), the United Kingdom (33), United States (46: Georgia, Illinois, Iowa, Michigan, Minnesota, Nevada, Oklahoma, Pennsylvania, Tennessee, Virginia)
Total: 140 collections including 146 occurrences
Specimen images are retrieved through the ePANDDA API.
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