Gemmuloborsonia 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 sea snail

Sea snail

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

s, marine gastropod mollusks in 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...

 Clavatulidae

Clavatulidae

Clavatulidae is a taxonomic family of sea snails, marine gastropod mollusks in the superfamily Conoidea.The family is not well differentiated morphologically....

.

This genus is provisionally included in the family Clavatulidae as the characters of the shell and the radula

Radula

The radula is an anatomical structure that is used by molluscs for feeding, sometimes compared rather inaccurately to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus...

 of this genus resemble more the characters of this family than those of the family Horaiclavidae

Horaiclavidae

Horaiclavidae is a family of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.- Genera :Genera within the family Horaiclavidae include:* Anacithara Hedley, 1922* Anguloclavus Shuto, 1983...

. However, it differs from the other genera in this family by its weak columella

Columella

Lucius Junius Moderatus Columella is the most important writer on agriculture of the Roman empire. Little is known of his life. He was probably born in Gades , possibly of Roman parents. After a career in the army , he took up farming...

r pleats and the multispiral protoconch

Protoconch

A protoconch is an embryonic or larval shell of some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod...

.

Species

Species within the genus Gemmuloborsonia include:

• Gemmuloborsonia clandestina
  Gemmuloborsonia clandestina
  Gemmuloborsonia clandestina is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae....
  
  Puillandre, Cruaud & Kantor, 2009
• Gemmuloborsonia colorata (Sysoev & Bouchet, 2001)
• Gemmuloborsonia didyma
  Gemmuloborsonia didyma
  Gemmuloborsonia didyma is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae....
  
  Sysoev & Bouchet, 1996
• Gemmuloborsonia jarrigei
  Gemmuloborsonia jarrigei
  Gemmuloborsonia jarrigei is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae....
  
  Sysoev & Bouchet, 2001
• Gemmuloborsonia karubar
  Gemmuloborsonia karubar
  Gemmuloborsonia karubar is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae....
  
  Sysoev & Bouchet, 1996
• Gemmuloborsonia moosai
  Gemmuloborsonia moosai
  Gemmuloborsonia moosai is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae....
  
  Sysoev & Bouchet, 1996
• Gemmuloborsonia neocaledonica
  Gemmuloborsonia neocaledonica
  Gemmuloborsonia neocaledonica is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae. -External links:*...
  
  Sysoev & Bouchet, 1996