Bivalvia - Nuculida - Praenuculidae
Alternative combination: Ctenodonta subsymmetrica
Full reference: T. Kobayashi. 1934. The Cambro-Ordovician formations and faunas of south Chosen. Paleontology. Part I. Middle Ordovician faunas. Journal of the Faculty of Science, the Imperial University of Tokyo, Section 2 3(8):335-519
Belongs to Palaeoconcha according to I. Hayami and T. Kase 1977
Sister taxa: Palaeoconcha faberi, Palaeoconcha ohioensis, Palaeoconcha samenoha
Type specimen: UMUT PM0543. Its type locality is Hyesan (=Keizan-son), which is in a Llandeilo carbonate limestone in the Tsuibon Formation of North Korea.
Ecology: facultatively mobile shallow infaunal deposit feeder
Distribution: found only at Hyesan (=Keizan-son)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.