Ecrinesomus
Ecrinesomus Temporal range: | |
---|---|
Ecrinesomus dixoni fossil | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | †Bobasatraniiformes |
Family: | †Bobasatraniidae |
Genus: | †Ecrinesomus Woodward, 1910 |
Species: | †E. dixoni |
Binomial name | |
†Ecrinesomus dixoni Woodward, 1910 |
Ecrinesomus is an extinct genus of prehistoric marine bobasatraniiform ray-finned fish that lived during the late Induan age of the Early Triassic epoch. It is known from the Sakamena Formation of Madagascar.[1][2]
Appearance
Ecrinesomus co-occurred with the relatively similar looking Bobasatrania. Fossils of these two genera are sometimes misidentified, but can be distinguished based on the following characters: the number of scale rows (Ecrinesomus has ca. 48 transversal scale rows, Bobasatrania has fewer), the body shape (Ecrinesomus has an elliptical, Bobasatrania a rhombic body outline) and the distinct skull bone pattern.[3]
See also
References
- ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2011-07-23. Retrieved 2009-02-27.
- ^ "PBDB Taxon". paleobiodb.org. Retrieved 2024-12-16.
- ^ Lehman, Jean-Pierre (1956). "Compléments à l'étude des genres Ecrinesomus et Bobasatrania de l'Eotrias de Madagascar". Annales de Paléontologie (in French). 42: 67–94..