Fredericksia irbytschanensis Zavodowsky 1968 (lamp shell)

Rhynchonellata - Spiriferida - Ingelarellidae

Full reference: V. M. Zavodowsky. 1968. Delthyriacea. Novye Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR 2:169-173

Belongs to Fredericksia according to V. M. Zavodowsky 1968

Sister taxa: Fredericksia simensis, Martinia (Fredericksia) khurensis

Type specimen: TsGM 51-54/8234. Its type locality is Irbychan River, Upper Permian, Gizhiga River, which is in a Roadian/Capitanian marine siliciclastic in the Russian Federation.

Ecology: stationary epifaunal suspension feeder

Distribution: found only at Irbychan River, Upper Permian, Gizhiga River

Show more details


Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.