Enoplophthalmus schlumbergeri SAUVAGE, 1880

By oilshale (edited)

• January 7, 2017

Taxonomy

Kingdom: Animalia
Phylum: Chordata
Class: Actinopteri Cope 1871
Order: Osmeriformes
Family: Osmeridae Jordan, 1923
Genus: Enoplophthalmus
Species: Enoplophthalmus schlumbergeri
Author Citation SAUVAGE, 1880

Geological Time Scale

Eon: Phanerozoic
Era: Cenozoic
Period: Paleogene
Sub Period: None
Epoch: Oligocene
International Age: Rupelian

Stratigraphy

Calcaires de Campagne-Calavon Formation

Provenance

Acquired by: Purchase/Trade

Dimensions

Length: 7 cm

Location

Céreste
Département Alpes-de-Haute-Provence
Provence-Alpes-Côte d’Azur
France

• bouche du rhone
• cereste
• enoplophthalmus
• france
• oligocene
• tff-oilshale-ch797

Comments

Taxonomy from Gaudant 2013.

Diagnosis from Gaudant 2013, p. 354 (translated from french by oilshale): "Osmeridae with a tapered body whose maximum height is 5.5 to 8 times in the standard length. Spinal column composed of 56-59 vertebrae of which 31-34 abdominal and 23-27 postabdominal. Caudal fin deeply forked, composed of 19 main rays, 17 of which are bifurcated, to which are added, dorsally and ventrally, a dozen marginal rays. Caudal skeleton composed of four vertebrae including three free preurals. Terminal centrum supporting six hypurals; presence of two epurals. Dorsal fin composed of 10-12 rays, 8-9 of them bifurcated, inserted a little in front of the middle of the body. Endoskeleton with 9-10 pterygiophores. Anal fin large, occupying a receding position; 26-28 rays of which 23-25 bifurcated. Endoskeleton formed by 26-27 pterygiophores.
Sexual dimorphism affecting the endoskeleton of the anal fin. Pectoral fins relatively small; 11 to 14 rays. Pelvic fins inserted slightly in front of the dorsal; 8-9 rays. Body covered with small cycloid scales."

Identified by oilshale

References:

Gaudant, J. (2013) Présence d'un Osmeridae: Enoplophthalmus schlumbergeri Sauvage, 1880 dans l'Oligocène inférieur des environs de Céreste (Alpes-de-Haute-Provence, France) Geodiversitas 35(2): 345-357. 2013