Strophomenata - Strophomenida - Plectambonitidae
Parent taxon: Taphrodontinae according to M. Liljeroth et al. 2017
See also Mitchell 1977, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Bandaleta, Nanambonites, Taphrodonta, Uzunbulakia
Subtaxa: Isophragma extensum Isophragma orientale Isophragma parallelum Isophragma ponderosum Isophragma pseudoretroflexum Isophragma ricevillense Isophragma subabbreviatum
Type: Isophragma ricevillense
Ecology: stationary epifaunal suspension feeder
Distribution:
• Chazyan of United States (3: Alabama, Tennessee collections)
• Whiterockian of United States (1: Nevada)
• Ordovician of Canada (1: Northwest Territories), Ireland (2), Kazakhstan (1), Mongolia (1), the Russian Federation (6), the United Kingdom (9), United States (4: Nevada, Tennessee, Virginia)
Total: 28 collections including 30 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.