Pyrgulina

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Pyrgulina
Pyrgulina densecostata 001.png
Apertural view of a shell of Pyrgulina densecostata
Scientific classification OOjs UI icon edit-ltr.svg
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
  • ContraxialaLaseron, 1956
  • EupyrgulinaMelvill, 1910
  • Odostomia (Pyrgulina)A. Adams, 1863
  • Parthenia (Pyrgulina)A. Adams, 1863
  • Pyrgulina (Pyrgulina)A. Adams, 1853
  • Pyrgulina (Standeniella)Saurin, 1958 · accepted, alternate representation
  • StandeniellaSaurin, 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]

Contents

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

Related Research Articles

<span class="mw-page-title-main">Pyramidellidae</span> Family of sea snails

Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromolluscs.

<span class="mw-page-title-main">Chrysallidini</span> Tribe of molluscs

Chrysallidinae is a taxonomic group of very small sea snails, marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

<i>Tiberia</i> Genus of gastropods

Tiberia is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. Tiberia is the only genus in the tribe Tiberiini.

<i>Oscilla</i> (gastropod) Genus of gastropods

Oscilla is a genus of very small sea snails, minute marine gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Pyramidellidae.

<i>Trabecula</i> (gastropod) Genus of gastropods

Trabecula is a genus of very small sea snails, marine gastropod molluscs or micromolluscs in the family Pyramidellidae, the pyrams and their allies, and the subfamily Chrysallidinae, a large taxon of minute marine gastropods with an intorted protoconch.

<i>Chrysallida</i> Genus of gastropods

Chrysallida is a speciose genus of minute sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.

<i>Babella</i> Genus of gastropods

Babella is a genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks in the family Pyramidellidae within the tribe Chrysallidini.

<i>Besla</i> Genus of gastropods

Besla is a small genus of miniature sea snails, pyramidellid gastropod mollusks in the family Pyramidellidae within the tribe Chrysallidini.

<i>Parthenina</i> Genus of gastropods

Parthenina is a genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks.

Egilina is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

<i>Eulimella</i> Genus of gastropods

Eulimella is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

<i>Megastomia</i> Genus of gastropods

Megastomia is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

<i>Miralda</i> Genus of gastropods

Miralda is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams, and their allies.

<i>Odostomella</i> Genus of gastropods

Odostomella is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

<i>Puposyrnola</i> Genus of gastropods

Puposyrnola is a genus of sea snails, marine gastropod mollusks in the subfamily Turbonillinae of the family Pyramidellidae, the pyrams and their allies.

Pyrgiscus is a genus of sea snails, marine gastropod mollusks in the subfamily Turbonillinae of the family Pyramidellidae, the pyrams and their allies.

Syrnola is a genus of sea snails, marine gastropod mollusks in the subfamily Turbonillinae of the family Pyramidellidae, the pyrams and their allies.

<i>Turbonilla</i> Genus of gastropods

Turbonilla is a large genus of ectoparasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies.

Nisiturris is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

References

  1. ↑ A. Adams, Journ. Linn. Soc. London (Zool.), 1863, p. 4
  2. 1 2 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
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