ammonites
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Metaderoceras talkeetnaense Thomson and Smith 1992 (ammonite)

Cephalopoda - Ammonitida - Eoderoceratidae

PaleoDB taxon number: 194958

Full reference: R. C. Thomson and P. L. Smith. 1992. Pliensbachian (Lower Jurassic) biostratigraphy and ammonite fauna of the Spatsizi area, north-central British Columbia. Geological Survey of Canada Bulletin 437:1-87

Belongs to Metaderoceras according to P. L. Smith and H. W. Tipper 1996

Sister taxa: Metaderoceras apertum, Metaderoceras brutum, Metaderoceras gemmellaroi, Metaderoceras mouterdei, Metaderoceras muticum, Metaderoceras pseudomuticum, Metaderoceras spirale, Metaderoceras venarense, Metaderoceras venustulum

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 9.50, shell diameter 39.0