Costimitoceras Vöhringer, 1960

Korn, Dieter & Weyer, Dieter, 2023, The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany), European Journal of Taxonomy 882, pp. 1-230 : 90

publication ID	https://doi.org/ 10.5852/ejt.2023.882.2177
publication LSID	lsid:zoobank.org:pub:67C909E4-C700-4F8D-B8CE-5FD9B2C5D549
DOI	https://doi.org/10.5281/zenodo.8187545
persistent identifier	https://treatment.plazi.org/id/03EA5C14-CA50-8516-FDFD-FCA9FCA9824F
treatment provided by	Felipe
scientific name	Costimitoceras Vöhringer, 1960
status

Treatment

Genus Costimitoceras Vöhringer, 1960 View in CoL

Type species

Costimitoceras ornatum Vöhringer, 1960: 148 ; original designation.

Genus diagnosis

Genus of the Acutimitoceratinae with a discoidal conch and moderately high to high coiling rate (WER = 1.90–2.20); inner whorls evolute. Ornament with biconvex growth lines and spiral lines. Suture line with deep external lobe.

Genus composition

Central Europe ( Vöhringer 1960): Costimitoceras ornatum Vöhringer, 1960 .

North Africa( Ebbighausen & Bockwinkel 2007): Costimitoceras aitouamar Ebbighausen& Bockwinkel, 2007 .

South China ( Ruan 1981): Imitoceras (Costimitoceras) epichare Ruan, 1981 .

Remarks

Costimitoceras can be easily distinguished from all other prionoceratids due to the very striking combination of coarse growth lines and spiral lines.