Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Libotonius
Taxonomy
Libotonius was named by Wilson (1977) [Sepkoski's age data: T Eo-m Sepkoski's reference number: 915]. Its type is Libotonius blakeburnensis.
It was assigned to Percopsidae by Wilson (1977); and to Perciformes by Sepkoski (2002).
It was assigned to Percopsidae by Wilson (1977); and to Perciformes by Sepkoski (2002).
Species
L. blakeburnensis (type species)
Is something missing? Join the Paleobiology Database and enter the data
|
|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
Reference | Diagnosis | |
---|---|---|
M.V.H. Wilson 1977 | Eocene Percopsidae without postmaxillary process on premaxilla or levator maxillae superioris process on maxilla; premaxilla long and narrow; frontal tapered anteriorly; palatine toothed; endopterygoid, ectoptergoid, and vomer toothless; antorbital present; no spines on preopercular; opercular with some cycloid scales; percopsid projections on some branchiostegals; ceratohyal imperforate, without tooth plates; enlarged abdominal prezygapophyses; short, weak median fin spines; third, fourth, and fifth hypurals partly fused; caudal fin emarginate; vertebrae 15 + 18-19; D II-III, 8-9; A II, 8-9; P ii, 1 1-13; V i,7; scales ctenoid with 7-9 long, slender ctenii each. |