Clavatulidae was raised, based on cladistic analysis, from subfamily to the family level by Rosenberg in 1998. It remained regarded as a subfamily of Turridae by several malacologists (Kantor, Sysoev).[1] until a new publication in 2011 [2]
Fossil records
This genus is known in the fossil records from the Cretaceous to the Quaternary (age range: from 70.6 to 0.0 million years ago). Fossils of species within this genus have been found all over the world.[3]
Description
The turriculated shell is fusiform with a long spire. The anal sinus is situated in the infrasutural depression above the peripheral carina. The siphonal canal is long, tapering and slightly bent. The operculum has a medio-lateral nucleus. The eyes of the animal are situated at the base of the tentacles. Radula formula : 1-0-1.[4]
Fossil of the extinct species Surcula faxensis at the Geological Museum in CopenhagenFive views of the shell of Turricula dimidiata (Brocchi, 1814) from the Pliocene of Italy
Turricula bijubata (Reeve, 1843): synonym of Turridrupa bijubata (Reeve, 1843)
† Turricula (Crenaturricula) bouryi Glibert, 1960: synonym of † Turricula barreti (de Boury, 1899) (unnecessary replacement name for Pleurotoma barreti de Boury, 1899)
Turricula brunonia Dall, 1924: synonym of Veprecula brunonia (Dall, 1924)
Turricula cadaverosa (Reeve, 1844): synonym of Vexillum cadaverosum (Reeve, 1844)
Turricula casta H. Adams, 1872: synonym of Vexillum castum (H. Adams, 1872)
^Le Renard (J.) & Pacaud (J.-M.), 1995 Révision des Mollusques paléogènes du Bassin de Paris. 2 - Liste des références primaires des espèces. Cossmanniana, t. 3, vol. 3, p. 65-132
Li, BQ. & Li, XZ. 2008. Report on the two subfamilies Clavatulinae and Cochlespirinae (Mollusca : Neogastropoda : Turridae) from the China seas. Zootaxa 1771: 31-42
Wilson, B. 1994. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, WA : Odyssey Publishing Vol. 2 370 pp.