Rhynchonellata - Pentamerida - Clarkellidae
Parent taxon: Clarkellidae according to A. Williams et al. 2002
See also Sepkoski 2002
Sister taxa: Acanthoglypha, Calliglypha, Clarkella, Diaphelasma, Fenxiangella, Parallelostrophia, Stichotrophia, Syntrophinella, Yangtzeella
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution:
• Arenig of United States (4: Montana, Nevada collections)
• Ordovician of China (2), Ireland (1), the Russian Federation (1), United States (29: Missouri, Montana, North Dakota, Pennsylvania, Texas, Utah)
• Tremadoc of China (2), the Russian Federation (2), United States (3: Montana, Utah, Vermont)
• Skullrockian of United States (4: Utah)
• Cambrian to Ordovician of the Russian Federation (1)
• Cambrian of United States (1: Texas)
Total: 50 collections including 55 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.