Rhynchonellata - Athyridida - Athyrididae
Full reference: F. Frech. 1901. Die Dyas. Lethaea Geognostica oder Beschreibung und Abbildung der für die Gebirgs-Formationen bezeichnendsten Versteinerungen. I. Theil. Lethaea Palaeozoica 2(3):453-578
Parent taxon: Janicepsinae according to A. Williams et al. 2007
See also Posenato 2001, Sepkoski 2002 and Williams et al. 2002
Sister taxon: Comelicothyris
Subtaxa: Janiceps bipartita Janiceps cadorica Janiceps emarginatiformis Janiceps lozovskyi Janiceps ogbinensis Janiceps papilio Janiceps peracuta
Type: Spirigera peracuta
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Armenia (5 collections), Azerbaijan (4), Iran (2), Italy (13)
Total: 24 collections including 33 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.