ammonites
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Astreptoceras Henderson 1970 (ammonite)

Cephalopoda - Ammonitida - Diplomoceratidae

PaleoDB taxon number: 14591

Full reference: R. A. Henderson. 1970. Ammonoidea from the Mata Series (Santonian-Maastrichtian) of New Zealand. Special Papers in Palaeontology 6:1-82

Parent taxon: Diplomoceratidae according to R. A. Henderson 1970

Sister taxa: Diplomoceratinae, Eudiplomoceras, Masonites, Polyptychoceratinae

Subtaxa: Astreptoceras zelandicum

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Type: Ptychoceras zelandicum

Ecology: fast-moving nektonic carnivore