Cephalopoda - Nautilida - Tainoceratidae

Full reference: I. Hayasaka. 1957. Two Permian nautiloids from Takakura-yama near Yotsukura-machi, Fukushima Prefecture (Abukuma Plateau region), Japan. Science Reports of the Yokohama National University. Section II, Biological and Geological Sciences 6:21-30

Belongs to Tylonautilus according to I. Hayasaka 1957

Sister taxa: Tylonautilus gratiosus, Tylonautilus mergus, Tylonautilus qinglongensis

Type specimen: Its type locality is G2-zawa Valley, T7, Takakura-yama Mountain, Iwaki City, which is in a Capitanian marine shale in the Takakurayama Formation of Japan

Ecology: nektobenthic carnivore

Distribution: found only at Takakura-yama Mountain, Iwaki City

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Specimen images are retrieved through the ePANDDA API.