Bivalvia - Trigoniida - Trigoniidae
Alternative combinations: Myophoria tobai, Schizodus tobai
Full reference: I. Hayasaka. 1925. On some Paleozoic molluscs of Japan. 1. Lamellibranchiata and Scaphopoda. Science Reports of the Tohoku Imperial University. 2nd series, Geology 8(2):1-29
Belongs to Lyroschizodus according to N. D. Newell and D.W. Boyd 1975
See also Hayasaka 1925 and Nakazawa and Newell 1968
Sister taxa: Lyroschizodus djemelensis, Lyroschizodus oklahomensis, Lyroschizodus orbicularis, Lyroschizodus praecox, Lyroschizodus subelegans
Type specimen: Its type locality is Imo, IGPS It044, Yahagi, Rikuzentakata City, Iwate Prefecture, which is in a Roadian marine siliciclastic in the Kanokura Formation of Japan
Distribution:
• Permian of Japan (3 collections), the Russian Federation (1)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.