Thalassoplanes

Thalassoplanes
Shell of Thalassoplanes moerchii (holotype at the Smithsonian Institution)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Buccinidae
Genus:	Thalassoplanes Dall, 1908
Synonyms
BrevisiphoniaLus, 1973 Troschelia (Thalassoplanes)Dall, 1908

Thalassoplanes is a genus of sea snails, marine gastropod mollusks in the subfamily Parancistrolepidinae of the family Buccinidae, the true whelks. ^[1]

Characteristics

(Original description) The shell is short, with a very short siphonal canal. The operculum is straight, elongate, and wedge-shaped, its extreme apex slightly deflected to the right. The radula, typical for the group, has a formula of 1/6 + 1/0 + 1/6, with an obsolete rhachidian cusp.

The animal is blind; the male possesses a small, subcylindrical verge, lacking appendages. ^[2]

Species

Species within the genus Thalassoplanes include: ^[1]

• Thalassoplanes moerchii (Dall, 1908)

Synonyms

• Thalassoplanes modesta(Martens, 1885): synonym of Chlanidotella modesta (E. von Martens, 1885) (superseded combination)

References

1. Thalassoplanes Dall, 1908 . Retrieved through: World Register of Marine Species  on 29 August 2010.
2. Dall, W.H. (1908). "Reports on the dredging operations off the west coast of Central America to the Galapagos, to the west coast of Mexico, and in the Gulf of California, in charge of Alexander Agassiz, carried on by the U.S. Fish Commission steamer "Albatross," during 1891, Lieut.-Commander Z.L. Tanner, U.S.N., commanding. XXXVII. Reports on the scientific results of the expedition to the eastern tropical Pacific, in charge of Alexander Agassiz, by the U.S. Fish Commission steamer "Albatross", from October, 1904 to March, 1905, Lieut.-Commander L.M. Garrett, U.S.N., commanding. XIV. The Mollusca and Brachiopoda". Bulletin of the Museum of Comparative Zoology. 43 (6): 303. Retrieved 13 September 2025.

• Lus, V.J. (1973). New abyssal Fasciolariidae. [in Russian]. Trudy Instituta Okeanologii. 91: 203-212

External links

• Bouchet, P. & Warén, A. (1986). "Mollusca Gastropoda: Taxonomical notes on tropical deep water Buccinidae with descriptions of new taxa. in: Forest, J. (Ed.) Résultats des Campagnes MUSORSTOM I et II Philippines (1976, 1980). Tome 2". Mémoires du Muséum national d'Histoire naturelle. Série A, Zoologie. 133.