Cephalopoda - Oncocerida - Cyrthoceratidae

Full reference: E. I. Miagkova. 1967. Siluriiskie nautiloidei Sibirskoi platformy. 1-55

Parent taxon: Cyrthoceratidae according to E. I. Miagkova 1967

Sister taxon: Oyogiroceras

Subtaxa: Pachiceras flexuosum

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Ecology: fast-moving nektobenthic carnivore

Distribution: found only at Moyero River outcrop 101, Llandovery S1ln (Silurian of Russian Federation)

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Specimen images are retrieved through the ePANDDA API.