Cephalopoda - Ammonitida - Tetragonitidae

Full reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378

Belongs to Lytoceras (Gaudryceras) according to F. M. Anderson 1958

Sister taxa: Gaudryceras (Gaudryceras), Gaudryceras (Mesogaudryceras), Gaudryceras aenigma, Gaudryceras beantalyense, Gaudryceras crassicostatum, Gaudryceras hamanakense, Gaudryceras hobetsense, Gaudryceras izumiense, Gaudryceras kayei, Gaudryceras makarovense, Gaudryceras mamiyai, Gaudryceras mite, Gaudryceras numidum, Gaudryceras propemite, Gaudryceras seymouriense, Gaudryceras stefaninii, Gaudryceras striatum, Gaudryceras tenuiliratum, Gaudryceras tombetsense, Gaudryceras varagurense, Lytoceras (Gaudryceras) alamedense, Lytoceras (Gaudryceras) neptunium, Lytoceras (Gaudryceras) texanum, Gaudryceras (Neogaudryceras) pictum, Vertebrites murdochi

Type specimen: CAS 61630.01, a shell

Ecology: fast-moving nektonic carnivore

Distribution: there are no occurrences of Lytoceras (Gaudryceras) delvallense in the database

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Specimen images are retrieved through the ePANDDA API.