Linopyrga is a small genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of very small sea snail

Snail

Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

s, pyramidellid

Pyramidellidae

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 or micromolluscs....

 gastropod mollusks or micromollusk

Micromollusk

A micromollusk is a descriptive term for a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also reach adult size at very small...

s. This genus is currently placed in the subfamily Chrysallidinae

Chrysallidinae

Chrysallidinae is a taxonomic group of very small sea snails in the family Pyramidellidae.- Taxonomy :Chrysallidinae has been one of eleven recognized subfamilies of the gastropod family Pyramidellidae...

 of the family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Odostomiidae.

Shell description

The original description of the genus can be found at: http://rsnz.natlib.govt.nz/volume/rsnz_71/rsnz_71_01_001130.html

Life history

Nothing is known about the biology of the members of this genus. As is true of most members of the Pyramidellidae

Pyramidellidae

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 or micromolluscs....

 sensu lato, they are (were) most likely ectoparasites.

Species

Species within the genus Linopyrga include:

• Linopyrga australis (Thiele, 1930)
• Linopyrga brevis (Pritchard, 1900)
• Linopyrga junior Laws, 1941
• Linopyrga nugatoria (Hedley, 1903)
• Linopyrga ovalis (de Folin & Perier, 1875)
• Linopyrga pascoei
• Linopyrga pegma (Laseron, 1951)
• Linopyrga portseaensis
  Linopyrga portseaensis
  Linopyrga portseaensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.-External links:*...
  
  (Gatliff & Gabriel, 1911)
• Linopyrga pseudorugata (Marshall & Murdoch)
• Linopyrga pulchra
  Linopyrga pulchra
  Linopyrga pulchra is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.-External links:*...
  
  (Garrett, 1873)
• Linopyrga rugata
  Linopyrga rugata
  Linopyrga rugata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.-External links:*...
  
  (Hutton, 1886) (Type species) as Odostomia rugata
• Linopyrga sanguis Laws, 1941
• Linopyrga tantilla
  Linopyrga tantilla
  Linopyrga tantilla is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. -Description:...
  
  (A, Adams, 1863)

External links

• Linopyrga rugata illustration of type species