Bivalvia - Trigoniida - Trigoniidae
Alternative spelling: Lyrioschizodus
Full reference: N. D. Newell and D.W. Boyd. 1975. Parallel evolution in early trigonacean bivalves. Bulletin of the American Museum of Natural History 154(2):55-162
Parent taxon: Trigoniidae according to S. A. Quiroz-Barroso et al. 2012
See also Boyd and Newell 1979, Kues 2004 and Sepkoski 2002
Sister taxa: Actinotrigonia, Asiatotrigonia, Buchotrigonia, Climacotrigonia, Eotrigonia, Geratrigonia, Heterotrigonia, Ibotrigonia, Korobkovitrigonia, Kyushutrigonia, Latitrigonia, Linotrigonia, Liotrigonia, Luxitrigonia, Maputrigonia, Megatrigonia, Mesotrigonia, Microtrigonia, Minetrigonia, Minetrigoniinae, Myophorigonia, Neotrigonia, Neuquenitrigoniinae, Nipponitrigonia, Nototrigonia, Nototrigoniinae, Opisthotrigonia, Pacitrigonia, Pleurotrigoniinae, Prorotrigonia, Psilotrigoniinae, Quadratotrigonia, Quoiecchia, Rutitrigonia, Sichuantrigonia, Sphenotrigonia, Trigoniinae, Turbitrigonia, Lyrodon
Subtaxa: Lyroschizodus djemelensis Lyroschizodus oklahomensis Lyroschizodus orbicularis Lyroschizodus praecox Lyroschizodus subelegans Lyroschizodus tobai
Distribution:
• Permian of Japan (3 collections), Malaysia (1), Mexico (1), Pakistan (6), the Russian Federation (2), Tunisia (13), United States (29: Montana, Oklahoma, Texas, Wyoming)
• Carboniferous of United States (1: New Mexico)
Total: 56 collections including 59 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.