Cephalopoda - Ceratitida - Trachyceratidae

Full reference: E. T. Tozer. 1994. Canadian Triassic Ammonoid Faunas. Geological Survey of Canada Bulletin 467:1-663

Parent taxon: Arpaditinae according to E. T. Tozer 1994

Sister taxa: Arctosirenites, Argolites, Arpadites, Dittmarites, Edmundites, Hisnitites, Klipsteinia, Liardites, Meginoceras, Otoarpadites, Silenticeras, Trachystenoceras

Subtaxa: Arctoarpadites costatus

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Type: Sirenites costatus

Ecology: nektonic carnivore

Distribution: found only at GSC 28454, Buchanan Lake, Axel Heiberg Island (Triassic of Nunavut)

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Specimen images are retrieved through the ePANDDA API.