Strophomenata - Orthotetida - Triplesiidae
Parent taxon: Triplesiidae according to A. Williams et al. 2000
See also Rõõmusoks 1964 and Sepkoski 2002
Sister taxa: Acaretyrricula, Amphiplecia, Bicuspina, Brachymimulus, Caeroplecia, Cliftonia, Craigella, Grammoplecia, Ogmoplecia, Onychotreta, Oxoplecia, Paraonychoplecia, Placotriplesia, Plectotreta, Streptis, Triplesia
Subtaxa: Onychoplecia brevirostris Onychoplecia gracilis Onychoplecia kindlei Onychoplecia longirostris Onychoplecia matutina Onychoplecia obesa Onychoplecia schmidti Onychoplecia tenuis
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Whiterockian of United States (5: Arkansas, Maryland, Nevada, Pennsylvannia collections)
• Chazyan of Canada (4: Newfoundland and Labrador, Northwest Territories, Quebec), United States (42: New York, Tennessee, Vermont)
• Ordovician of Estonia (4), United States (4: Nevada, Oklahoma)
Total: 59 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.