Babella is a 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

Sea snail

Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....

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 in the family 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....

 withon the tribe Chrysallidini (sensu taxonomy by Bouchet & Roctroi, 2005).

Distribution

The genus seems to be limited to tropical and temperate regions of the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

.

Life habits

Little 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 ectoparasites.

Species

Species within the genus Babella include:

• Babella caelatior (Dall & Bartsch, 1906) - type species, synonym: Parthenina caelata A. Adams, 1863 not Turbonilla caelata Gould, 1861
• Babella bartschi (Dautzenberg & Fischer, 1906)
• Babella ceciriana (Saurin, 1958)
• Babella crassicostata (Saurin, 1958)
• Babella cylindrica (Saurin, 1958)
• Babella funiculata (Saurin, 1961)
• Babella hastula (Saurin, 1961)
• Babella yabei
  Babella yabei
  Babella yabei is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.-External links:*...
  
  yabei Nomura 1936
  • Babella yabei perarellia Nomura 1938