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Stemmatias Hay 1899 (cartilaginous fish)

Chondrichthyes

PaleoDB taxon number: 275543

Synonym: Stemmatodus St John and Worthen 1875 [replaced name] (taxon 275542)

Full reference: O. P. Hay. 1899. On some changes in the names, generic and specific, of certain fossil fishes. The American Naturalist 33:783-792

Parent taxon: Chondrichthyes according to O. P. Hay 1899

Sister taxa: Ancistriodus, Anodontacanthus, Areyonga, Batacanthus, Batomorphii, Bradyodontida, Ctenoptychius ordii, Desmiodontida, Duplisuggestus, Elasmobranchii, Elegestolepis, Eucentrurus, Ewingia, Fasciodus, Galeorhinidae, Geisacanthus, Gracilisuggestus, Hamatus, Holocephali, Holocephalimorpha, Iniopterygia, Leonotus, Machichnus, Mongolepididae, Proprigalea, Ptomacanthus, Pucapumpella, Rhinobatiformes, Simmorius, Subterbranchialia, Thaumatacanthus, Xystracanthus

Subtaxa: Stemmatias bicristatus, Stemmatias bifurcatus, Stemmatias cheiriformis, Stemmatias compactus, Stemmatias keokuk, Stemmatias symmetricus

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Type: Stemmatodus cheiriformis

Ecology: nektonic carnivore