Pseudococculina

Pseudococculina is a genus of sea snails, marine gastropod molluscs in the family Pseudococculinidae.

Description

The white shell has a patelliform shape with a posterior, inclined apex and a compressed, subspiral nucleus. Inside it has a porcellaneous, muscle-scar horseshoe-shaped, interrupted over the head.

The animal has a plumate gill, at the right side of the head. The right tentacle is thickened. There are two epipodial (i.e. situated in the lateral grooves between foot and mantle) filaments at the posterior part of the foot. The radula has large rhachidian teeth, with the cusp wanting or very obsolete. The fïrst lateral teeth are triangular, followed by 3 smaller, contorted laterals, with distinct cusps, a large cusped fifth lateral, and numerous uncini.

Species

Species within the genus Pseudococculina include:

• Pseudococculina granulata <small>Schepman, 1908</small>
• Pseudococculina gregaria <small>B.A. Marshall, 1986</small>
• Pseudococculina rimula <small>Simone & Cunha, 2003</small>
• Pseudococculina rosea <small>Habe, 1952</small>
• Pseudococculina rugosoplicata <small>Schepman, 1908</small>
• Pseudococculina subcingulata <small>(Kuroda & Habe, 1949)</small>

• Pseudococculina concentrica <small>Thiele, 1909</small>: synonym of Amphiplica concentrica <small>(Thiele, 1909)</small>
• Pseudococculina gradata <small>B.A. Marshall, 1986</small>: synonym of Copulabyssia gradata <small>(B. A. Marshall, 1986)</small>

References

• Higo, S., Callomon, P. & Goto, Y. (2001) Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Gastropoda Bivalvia Polyplacophora Scaphopoda Type Figures. Elle Scientific Publications, Yao, Japan, 208 pp.

External links

• Schepman M.M. (1908). The Prosobranchia of the Siboga Expedition. Part I. Rhipidoglossa and Docoglossa. Siboga Expeditie, 49a: 1-107, pl. 1-9. Leiden, E. J. Brill