Enseosteus
Enseosteus Temporal range: Late Frasnian[1] | |
---|---|
E. jaeckeli | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Subphylum: | Vertebrata |
Class: | Placodermi |
Order: | Arthrodira |
Suborder: | Brachythoraci |
Infraorder: | Coccosteina |
Superfamily: | Dinichthyloidea |
Family: | Selenosteidae |
Genus: | Enseosteus |
Type species | |
Enseosteus jaekelli Gross 1932 | |
Species | |
| |
Synonyms | |
|
Enseosteus is a genus of small selenosteid arthrodire placoderms known from the Upper Frasnian Kellwasserkalk facies of Late Devonian Germany[1] and Morocco.[2]
Enseosteus is very similar to the other Kellwasserkalk selenosteids, though, the type species, E. jaekelli, has a bulbous, knob-shaped rostrum. Denison (1978) synonymizes the genera Ottonosteus (O. jaekeli = E. hermanni) and Walterosteus with Enseosteus, claiming that the two genera are too similar to Enseosteus to merit separate genus status.[1] Rücklin (2011) agrees with Denison's synonymizing of Ottonosteus, but rejects Denison's synonymization of Walterosteus, claiming how Walterosteus has a contact between the rostral plate and the pineal plate, which Enseosteus does not.[2]
References
- 1 2 3 Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi. New York: Gustav Fischer Verlage. pp. 96–98. ISBN 9780895740274.
- 1 2 RÜCKLIN, MARTIN (January 14, 2011). "First selenosteid placoderms from the eastern Anti-Atlas of Morocco; osteology, phylogeny and palaeogeographical implications". Paleontology. 56 (1): 25–62. doi:10.1111/j.1475-4983.2010.01026.x.
This article is issued from Wikipedia - version of the 6/16/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.