Lingulata - Acrotretida - Acrotretidae
Synonym: Pegmatreta
Parent taxon: Acrotretidae according to A. Williams et al. 2000
See also Bengtson 1992, Landing et al. 2002 and Sepkoski 2002
Sister taxa: Acrotreta, Acrotretinae, Amictocracens, Anabolotreta, Anelotreta, Angulotreta, Aphelotreta, Apsotreta, Araktina, Biernatinae, Brachaktassia, Canthylotreta, Conotreta, Cyrtonotreta, Dactylotreta, Dicondylotreta, Ditreta, Eohadrotreta, Eurytreta, Fascicoma, Genetreta, Hisingerella, Homotreta, Iberotreta, Kostjubella, Kotylotreta, Kuangshanotreta, Lensotreta, Linnarssonella, Linnarssoniinae, Longipegma, Neotreta, Olentotreta, Opisthotreta, Ottenbyella, Physotreta, Picnotreta, Prototreta, Quadrisonia, Rhondellina, Satpakella, Scaphelasmatinae, Semitreta, Spondylotreta, Stilpnotreta, Tapuritreta, Torynelasmatinae, Treptotreta, Vandalotreta
Subtaxa: Linnarssonia captiosa Linnarssonia constans Linnarssonia ophirensis Linnarssonia taconica Linnarssonia transversa Pegmatreta arellanoi Pegmatreta rara
Ecology: stationary epifaunal suspension feeder
Distribution:
• Amgan of Kazakhstan (6 collections)
• Delamaran of Mexico (2)
• Cambrian of Australia (5), Canada (5: British Columbia, Newfoundland and Labrador, Quebec), Denmark (1), Greenland (5), Kazakhstan (41), Kyrgyzstan (1), Mexico (3), New Zealand (2), the Russian Federation (1), the United Kingdom (1), United States (12: Montana, Nevada, New York, Utah, Vermont)
Total: 85 collections including 113 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.