Pyrgulina
Apertural view of a shell of Pyrgulina densecostata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Subcohort: Panpulmonata
Superfamily: Pyramidelloidea
Family: Pyramidellidae
Genus: Pyrgulina
A. Adams, 1864 [1]
Type species
Chrysallida casta
A. Adams, 1864
Synonyms
  • Chrysallida (Pyrgulina) A. Adams, 1864
  • Contraxiala Laseron, 1956
  • Eupyrgulina Melvill, 1910
  • Odostomia (Pyrgulina) A. Adams, 1863
  • Parthenia (Pyrgulina) A. Adams, 1863
  • Pyrgulina (Pyrgulina) A. Adams, 1853
  • Pyrgulina (Standeniella) Saurin, 1958 · accepted, alternate representation
  • Standeniella Saurin, 1958

Pyrgulina is a small genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Odostomiidae.[2]

General description

The whorls of the teleoconch are sculptured similarly throughout. Varices are absent. The shell is marked with strong axial ribs which extend from the summit to the umbilical area The spiral markings consist of impressed lines. The fine, incised spiral striations are subequally spaced and present at the intercostal spaces between the sutures and on the base of the whorls.[3]

Species

Species within the genus Pyrgulina include:[2]

Species brought into synonymy

References

  1. ^ A. Adams, Journ. Linn. Soc. London (Zool.), 1863, p. 4
  2. ^ a b Bouchet, P. (2011). Pyrgulina A. Adams, 1864. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=236150 on 2011-11-28
  3. ^ W.H. Dall and P. Bartsch, "A Monograph of West American Pyramidellid Mollusks" , Smithsonian Institution, p. 14 and 169; 1909
  4. ^ Dall & Bartsch, Notes on Japanese, Indo-Pacific and American Pyramidellidae; Proceedings of the U.S. National Museum, vol XXX n° 1452; 1906

External links

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