Cephalopoda - Ammonitida - Graphoceratidae

PaleoDB taxon number: 15136

Synonyms: Cosmogyria Buckman 1898 (no. 257917), Crickia Buckman 1899 (no. 257919), Hyattia Buckman 1899 (no. 257920), Kiliania Buckman 1899 (no. 257921), Ludwigina Buckman 1899 (no. 257922), Murchisonia Engel 1896 [objective synonym] (no. 257916), Pseudographoceras Buckman 1899 (no. 257923), Strophogyria Buckman 1899 (no. 257924), Welschia Buckman 1898 (no. 257918)

Parent taxon: Graphoceratinae according to M. K. Howarth 2013

Sister taxa: Brasilia, Graphoceras, Hyperlioceras

Subtaxa: Ludwigia murchisonae

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Ecology: fast-moving nektonic carnivore