†family Clydonautilidae Hyatt in Zittel 1900 (nautiloid)

Cephalopoda - Nautilida - Clydonautilidae

Parent taxon: Clydonautilaceae according to C. Teichert et al. 1964

Sister taxa: Ephippoceratidae, Gonionautilidae, Liroceratidae, Siberionautilidae

Subtaxa: Callaionautilus Clydonautilus Cosmonautilus Proclydonautilus Styrionautilus

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Ecology: nektobenthic carnivore

Distribution:

• Triassic of Austria (19 collections), Canada (1: British Columbia), Iran (2), the Russian Federation (25), Slovenia (1), Svalbard and Jan Mayen (2), Ukraine (1), United States (10: Alaska, California, Nevada)

• Permian of Azerbaijan (1)

Total: 62 collections including 76 occurrences

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