PaleoDB taxon number: 203201
Full reference: J. Tazawa and H. Araki. 1984. Paralyttonia (Oldhaminidina, Brachiopoda) from the Permian of northeast Japan. Journal of the Geological Society of Japan 90:121-123
Type specimen: IGPS 98391, a valve (Ventral valve internal mold). Its type locality is Takayashiki, Kesennuma City, Miyagi Prefecture, which is in a Roadian marine sandstone in the Kanokura Formation of Japan.
Ecology: stationary low-level epifaunal suspension feeder
Average measurements (in mm): valve 7.20 x 13.09