Parent taxon: Acrotretoidea according to C. B. Skovsted et al. 2017
See also Bengtson 1992, Brock and Cooper 1993, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Acrothyra, Acrotretidae, Ceratretidae, Craniotreta, Curticiidae, Eoconulidae, Ephippelasmatidae, Scaphelasmatidae, Schizotretoides, Torynelasmatidae, Acrotetidae
Subtaxa: Hadrotreta primaea Hadrotreta taconica
Ecology: stationary epifaunal suspension feeder
Distribution:
• Solvan of Australia (1 collection)
• Delamaran of United States (1: California)
• Caerfai of United States (1: Nevada)
• Cambrian of Antarctica (1), Australia (25), Canada (40: Labrador, Newfoundland), United States (2: Nevada, Pennsylvania)
Total: 71 collections including 72 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.