Rostroconchia - Conocardiida - Eopteriidae
Synonym: Euchasmella Kobayashi 1933
Full reference: E. Billings. 1865. Palaeozoic fossils, volume 1. Geological Survey of Canada 1-426
Parent taxon: Eopteriidae according to J. Pojeta and B. Runnegar 1976
See also Bouchet et al. 2010, Pojeta et al. 1972, Sepkoski 2002 and Wagner 2023
Sister taxa: Eopteria, Pseudoeuchasma, Talacastella, Wanwanella
Subtaxa: Euchasma blumenbachi Euchasma caseyi Euchasma colliveri Euchasma eopteriformis Euchasma jonesi Euchasma multistriata Euchasma mytiliforme Euchasma swarkoi
Type: Conocardium blumenbachium
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Ordovician of Australia (18 collections), Canada (1: Newfoundland), Malaysia (4), Norway (1), South Korea (1), the United Kingdom (3)
• Castlemainian of Australia (2)
• Cassinian of Canada (11: Newfoundland, Newfoundland and Labrador, Quebec), United States (2: Virginia)
• Jeffersonian of Canada (2: Newfoundland, Newfoundland and Labrador)
• Cambrian of Australia (1)
Total: 46 collections including 47 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.