Cocculina Dall, 1882

Zhang, Shuqian & Zhang, Suping, 2018, Cocculina delphinicula sp. nov., a new cocculinid species from whale bone in the East China Sea (Gastropoda: Cocculiniformia), Zootaxa 4455 (1), pp. 189-195: 190

publication ID

https://doi.org/10.11646/zootaxa.4455.1.9

publication LSID

lsid:zoobank.org:pub:5C4466D7-8D53-4824-B417-0657913BEA40

persistent identifier

http://treatment.plazi.org/id/03E00B20-FF17-1506-F8D7-F93FFCE4FF3B

treatment provided by

Plazi

scientific name

Cocculina Dall, 1882
status

 

Genus Cocculina Dall, 1882 

http://zoobank.org/urn:lsid:zoobank.org:act:5C7C29E0-9905-4372-A38A-3CC8FAF8449F

Type species. Cocculina rathbuni Dall, 1882  (subsequent designation by Dall, 1908), northwestern Atlantic, Recent.

Diagnosis. According to Marshall (1986) with minor emendations regarding sculpture and radula characters.

Shell small to medium sized (up to 12 mm long), strongly depressed to strongly arched, apex located in central or posterior position. Protoconch with reticulate sculpture. Teleoconch sculptured with concentric growth lines and/or radial riblets. Periostracum smooth. Radula has a formula of n+5+1+5+n, rachidian and first lateral tooth always obsolete. Copulatory organ large, at tip of right oral lappet. Two epipodial tentacle present. For detailed internal and other external anatomy, see Haszprunar (1987).