Eorhincodon Temporal range: Late
Eocene
| |
---|---|
Archaeolamna and E.tianshanensis | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Subdivision: | Selachimorpha |
Order: | Carcharhiniformes |
Family: | Carcharhinidae |
Genus: | †
Eorhincodon Li, 1997 [1] |
Species: | †E. tianshanensis
|
Binomial name | |
†Eorhincodon tianshanensis Li, 1997
|
Eorhincodon is an invalid genus of requiem shark [2] from the Late Eocene of Xinjiang, China, originally described as a whale shark. [1] It is currently considered a junior synonym of Rhizoprionodon. [3] The genus was originally erected by Li (1997) to include the species Eorhincodon tianshanensis, but Nessov (1999) used the preoccupied genus in a different paleontological context to include an unrelated species, E. casei, from Late Cretaceous Russian marine strata. A new genus, Pseudomegachasma, was erected in 2015 for E. casei to be transferred into. [4]
Eorhincodon Temporal range: Late
Eocene
| |
---|---|
Archaeolamna and E.tianshanensis | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Subdivision: | Selachimorpha |
Order: | Carcharhiniformes |
Family: | Carcharhinidae |
Genus: | †
Eorhincodon Li, 1997 [1] |
Species: | †E. tianshanensis
|
Binomial name | |
†Eorhincodon tianshanensis Li, 1997
|
Eorhincodon is an invalid genus of requiem shark [2] from the Late Eocene of Xinjiang, China, originally described as a whale shark. [1] It is currently considered a junior synonym of Rhizoprionodon. [3] The genus was originally erected by Li (1997) to include the species Eorhincodon tianshanensis, but Nessov (1999) used the preoccupied genus in a different paleontological context to include an unrelated species, E. casei, from Late Cretaceous Russian marine strata. A new genus, Pseudomegachasma, was erected in 2015 for E. casei to be transferred into. [4]