Full reference: A. S. Romer. 1942. Notes on certain American Paleozoic Fishes. American Journal of Science 240(3):216-228
Parent taxon: Holocephali according to J. J., Jr. Sepkoski 2002
Sister taxa: Chimaeri, Debeeriformes, Debeeriiformes, Delphyodontos, Edaphodus, Eugeneodontiformes, Helodontiformes, Holocephalomorpha, Iniopterygiformes, Menaspacanthus, Orodontiformes, Paraselachiamorpha, Paraselachimorpha, Petalodontiformes, Thoralodus, Trachyacanthi, Pseudodontichthyidae, Euglossodus, Cynopodius, Mesolophodus, Desmiodus, Brachyrhizodus, Lagarodontidae, Gregoriidae, Ageleodus, Metaxyacanthus
Subtaxa: Macrodontacanthus kingi
Ecology: nektobenthic carnivore
Distribution: found only at Culbertson Pasture, east of Wichita Falls (Permian of Texas)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.