Definition of Acanthodian. Meaning of Acanthodian. Synonyms of Acanthodian

- Acanthodii or acanthodians is an extinct class of gnathostomes (jawed fishes). They are currently considered to represent a paraphyletic grade of various...
- This list of acanthodian genera is an attempt to create a comprehensive listing of all genera that have ever been included in the subclass Acanthodii...
- Ordovician-aged microfossils of what have been identified as scales of either acanthodians or "shark-like fishes", may mark Gnathostomata's first appearance in...
- considered to have evolved from acanthodians. The discovery of Entelognathus and several examinations of acanthodian characteristics indicate that bony...
- Nerepisacanthus is an extinct genus of acanthodian, probably acritolepid, from Middle Silurian (?late Llandovery (Telychian) to Ludlow stages) deposits...
- supposedly includes the tetrapods, bony fish, and the wholly extinct acanthodian fish. Key characters of this group include an operculum and a single...
- Xylacanthus is a genus of extinct acanthodian fish belonging to the family Ischnacanthidae. It lived during the Silurian to Devonian periods. Three species...
- makeup of the acanthodian internal skeleton, it is very rarely preserved, and the braincase of Ptomacanthus is only the second acanthodian braincase known...
- Davis, Samuel P.; Wilson, Mark V. H. (2001-12-14). "New species of the acanthodian genus Tetanopsyrus from northern Canada, and comments on related taxa"...
- spine') is an extinct genus of acanthodian fish from Devonian Scotland. It is among the more primitive of the Devonian acanthodians. Mesacanthus body fossils...