Ergalataxinae is a taxonomic subfamily of small to medium-sized predatory sea snail

Sea snail

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

s, marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod mollusks within the family Muricidae

Muricidae

Muricidae, common name murex snails or rock snails, is a large and varied taxonomic family of small to large predatory sea snails. With approximately 1,600 living species the Muricidae represent almost 10% of the Neogastropoda. Additionally, 1,200 fossil species have been recognised...

, the rock snails.
In this subfamily, the aragonitic

Aragonite

Aragonite is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3...

 shell

Gastropod shell

The gastropod shell is a shell which is part of the body of a gastropod or snail, one kind of mollusc. The gastropod shell is an external skeleton or exoskeleton, which serves not only for muscle attachment, but also for protection from predators and from mechanical damage...

 has 0–2
varices

Varix (mollusc)

A varix is an anatomical feature of the shell of certain sea snails, marine gastropod molluscs.It is a thickened axial ridge in the shell of some families of gastropods. A varix is located at intervals around the whorl, and is formed by considerable thickening of the outer lip at a resting stage...

.

Genera

The subfamily Ergalataxinae contains the following genera:

• Cronia
  Cronia
  Cronia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Cronia include:* Cronia amygdala...
  
  H. Adams & A. Adams, 1853
• Cytharomorula
  Cytharomorula
  Cytharomorula is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Cytharomorula include:* Cytharomorula ambonensis...
  
  Kuroda, 1953
• Ergalatax
  Ergalatax
  Ergalatax is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Ergalatax include:* Ergalatax contracta...
  
  Iredale, 1931
• Lataxiena
  Lataxiena
  Lataxiena is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Lataxiena include:* Lataxiena blosvillei...
  
  Jousseaume, 1883
• Lindapterys
  Lindapterys
  Lindapterys is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Lindapterys include:* Lindapterys murex...
  
  Petuch, 1987
• Maculotriton
  Maculotriton
  Maculotriton is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Maculotriton include:* Maculotriton bracteatus...
  
  Dall, 1904
• Minibraria
  Minibraria
  Minibraria is a genus of sea snails, marine gastropod mollusks in the family Colubrariidae.-Species:Species within the genus Minibraria include:* Minibraria monroei...
  
  Sarasua, 1984
• Morula Schumacher, 1817
• Muricodrupa
  Muricodrupa
  Muricodrupa is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:According to the World Register of Marine Species , the following species are included within the genus Muricodrupa :* Muricodrupa fenestrata * Muricodrupa fiscella *...
  
  Iredale, 1918
• Orania
  Orania (gastropod)
  Orania is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Orania include:* Orania adiastolos Houart, 1995* Orania archaea Houart, 1995...
  
  Pallary, 1900
• Pascula
  Pascula
  Pascula is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Pascula include:* Pascula citrica * Pascula darrosensis Pascula is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the...
  
  Dall, 1908
• Phrygiomurex
  Phrygiomurex
  Phrygiomurex is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Phrygiomurex include:* Phrygiomurex sculptilis...
  
  Dall, 1904
• Spinidrupa
  Spinidrupa
  Spinidrupa is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Spinidrupa include:* Spinidrupa euracantha...
  
  Habe & Kosuge, 1966
• Trachypollia
  Trachypollia
  Trachypollia is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.-Species:Species within the genus Trachypollia include:* Trachypollia didyma...
  
  Woodring, 1928
• Uttleya
  Uttleya
  Uttleya is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.- Species :Species within the genus Uttleya include:* Uttleya ahiparana * Uttleya arcana Marwick, 1934...
  
  Marwick, 1934

Genera brought into synonymy :

• Azumamorula Emerson, 1968 : synonym of Morula (Azumamorula) Emerson, 1968
• Cumella Jousseaume, 1898 : synonym of Lataxiena Jousseaume, 1883
• Habromorula Houart, 1995 : synonym of Morula (Habromorula) Houart, 1995
• Usilla H. Adams & A. Adams, 1853 : synonym of Cronia (Usilla) H. Adams & A. Adams, 1853

The classification into this subfamily is doubtful for the genera Daphnellopsis Schepman, 1913; Lindapterys Petuch, 1987 Maculotriton Dall, 1904; Phrygiomurex Dall, 1904 and Uttleya Marwick, 1934