Austrodrillia

Genus of gastropods From Wikipedia, the free encyclopedia

Austrodrillia is a genus of sea snails, marine gastropod mollusks in the family Horaiclavidae.[2]

Quick facts Scientific classification, Type species ...
Austrodrillia
Drawing of the shell of Austrodrillia dimidiata
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Horaiclavidae
Genus: Austrodrillia
Hedley, 1918[1]
Type species
Pleurotoma angasi
Crosse, 1863
Species

See text

Synonyms[2]
  • Austrodrillia (Regidrillia) Powell, 1942
  • Regidrillia Powell, 1942
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It was previously categorized within Crassispirinae, Turridae.[3]

Description

The small shell is very solid, subcylindrical or claviform. The sculpture consists of nodose ribs that do not attain the suture, and fine spiral threads which are most dense at the summit of the whorl. There is no epidermis. The protoconch consists of two smooth and elevate whorls. The aperture is wide, without varix or internal armature. The outer lip is simple. The wide sinus is U-shaped, its right margin resting on a massive insertion callus. The fasciole is indistinguishable.[4]

Distribution

This marine genus occurs off Australia and New Zealand. One species is found in the Atlantic Ocean off St. Helena.

Species

Species within the genus Austrodrillia include:

Species brought into synonymy

References

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