Parent taxon: Acrotretoidea according to C. B. Skovsted et al. 2017
See also Bengtson 1992, Landing et al. 2008, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Acrotretidae, Ceratretidae, Craniotreta, Curticiidae, Eoconulidae, Ephippelasmatidae, Hadrotreta, Scaphelasmatidae, Schizotretoides, Torynelasmatidae, Acrotetidae
Subtaxa: Acrothyra bonnia Acrothyra minor Acrothyra proavia Acrothyra sera
Type: Acrotreta proavia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Delamaran of Canada (17: British Columbia collections), United States (1: Nevada)
• Cambrian of Canada (14: Brithish Columbia, British Columbia, New Brunswick, Newfoundland), the United Kingdom (3), United States (4: Idaho, Nevada, Utah)
Total: 39 collections including 42 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.