Rhynchonellata - Terebratulida - Dielasmatidae
Alternative spellings: Diclasma, Terebratula (Dielasma)
Parent taxon: Dielasmatinae according to A. Williams et al. 2006
See also Schellwien 1900 and Sepkoski 2002
Sister taxa: Adygella, Amygdalocosta, Aspidothyris, Bittnerithyris, Coenothyris, Cruratula, Dareithyris, Dielasmina, Dongbaella, Ectoposia, Elasmata, Fletcherithyris, Pirithyris, Plectelasma, Praerhaetina, Sulcatinella, Tibetothyris, Tosuhuthyris, Tunethyris, Whitspakia, Yochelsonia
Subtaxa: Dielasma adamanteum Dielasma ambiense Dielasma angustaeformis Dielasma antecedens Dielasma anteplicatum Dielasma anterolatum Dielasma bakhense Dielasma bellulum Dielasma brevicostatum Dielasma carinthiacum Dielasma chapini Dielasma compactum Dielasma complanatus Dielasma convexa Dielasma cordatum Dielasma curvatum Dielasma dadanense Dielasma diabloense Dielasma dieneri Dielasma dubium Dielasma einori Dielasma ellipsoideum Dielasma ellipticum Dielasma elongatum Dielasma emarginatum Dielasma expansum Dielasma fabiforme Dielasma floresi Dielasma giganteum Dielasma gillingense Dielasma glabrum Dielasma grabaui Dielasma gracile Dielasma grandi Dielasma guttula Dielasma hessense Dielasma himalayana Dielasma indentum Dielasma itaitubense Dielasma jisuense Dielasma kirillowense Dielasma labiatum Dielasma liardensis Dielasma ligonorum Dielasma longisulcatum Dielasma magniforaminiferum Dielasma mapingense Dielasma mapingensis Dielasma microrhynchum Dielasma millepunctatum Dielasma minor Dielasma moelleri Dielasma nexile Dielasma obesum Dielasma orientalis Dielasma ovoidale Dielasma parmularis Dielasma perangustum Dielasma perplexum Dielasma phosphoriensis Dielasma pictile Dielasma planidorsatum Dielasma plica Dielasma prolongatum Dielasma purdoni Dielasma pygmaeum Dielasma radiatum Dielasma rectimarginatum Dielasma redux Dielasma rigbyi Dielasma robustum Dielasma rotundum Dielasma scitulum Dielasma shafterense Dielasma spatulatum Dielasma sphena Dielasma stoschensis Dielasma subcirculare Dielasma subcylindricum Dielasma subelongatum Dielasma subelongatum Dielasma sulcatum Dielasma sultanense Dielasma supracarbonicum Dielasma toulai Dielasma trimuense Dielasma truncatum Dielasma truncatum Dielasma uniplicatum Dielasma vesiculare Dielasma vicinale Dielasma virgoides Dielasma zebratum Dielasma zhijinense
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Triassic of New Caledonia (1 collection), New Zealand (3), Papua New Guinea (3), United States (3: Alaska)
• Permian to Triassic of India (2)
• Permian of Afghanistan (4), Armenia (1), Australia (8), Austria (1), Bolivia (1), Cambodia (1), Canada (9: British Columbia, Nunavut, Yukon), Chile (2), China (71), Croatia (1), Germany (2), Greece (5), Greenland (7), Hungary (1), India (5), Indonesia (1), Iran (8), Italy (1), Japan (7), Laos (2), Lithuania (10), Madagascar (1), Malaysia (1), Mexico (10), Oman (10), Pakistan (43), Peru (7), Poland (5), the Russian Federation (58), Slovenia (2), Svalbard and Jan Mayen (2), Thailand (10), Turkey (5), the United Kingdom (43), United States (277: Alaska, Idaho, Nevada, New Mexico, Oregon, Texas, Utah, Wyoming)
• Carboniferous of Australia (17), Canada (6: Alberta, Yukon), China (3), India (1), Ireland (3), Svalbard and Jan Mayen (1), the United Kingdom (34), United States (128: Alaska, Arizona, Arkansas, California, Georgia, Idaho, Indiana, Iowa, Kansas, Kentucky, Montana, Nevada, New Mexico, Oklahoma, Tennessee, Texas, Utah, Virginia)
• Devonian of China (3), Germany (1), United States (1: New Mexico)
Total: 832 collections including 1037 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.