Lingulata - Acrotretida - Acrotretidae
Alternative combination: Acrotreta ophirensis
Full reference: C. D. Walcott. 1902. Cambrian Brachiopoda: Acrotreta; Linnarssonella; Obolus; with descriptions of new species. Proceedings of the United States National Museum 25:577-612
Belongs to Linnarssonia according to Rowell 1966
See also Walcott 1902
Sister taxa: Linnarssonia captiosa, Linnarssonia constans, Linnarssonia taconica, Linnarssonia transversa, Pegmatreta rara, Pegmatreta arellanoi
Subtaxa: Acrotreta ophirensis descendens Acrotreta ophirensis rugosus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of Kazakhstan (12 collections), Mexico (1), the United Kingdom (1), United States (2: Utah)
Total: 16 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.