Inodrillia acrybia

Inodrillia acrybia is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.[1][2]

Inodrillia acrybia
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Horaiclavidae
Genus: Inodrillia
Species:
I. acrybia
Binomial name
Inodrillia acrybia
(Dall W.H., 1889)
Synonyms[1]

Drillia acrybia Dall, 1889 (original combination)

Description

The shell grows to a length of 10 mm.

(Original description) The shell is closely related to Inodrillia pharcida with which it may advantageously be compared. The most obvious differences are, that in I. pharcida the ribs and their intersecting sharp spirals are as strong on the body whorl as on the others, in Inodrillia acrybia the ribs on the last whorl are obsolete and the spirals fainter. The spire of I. acrybia is shorter in proportion to the body whorl, the siphonal canal is longer, there is one less whorl in the adult shell, the fasciole is less excavated, the suture more appressed, and consequently less evident. In all other respects the shells closely resemble one another.[3]

Distribution

This species occurs in the demersal zone of the Atlantic Ocean off Georgia to Eastern Florida at depths between 250 m (136 fathoms) and 537 m (294 fathoms).

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References
  1. Rosenberg, G. (2014). Inodrillia acrybia (Dall, 1889). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532929 on 2014-12-13
  2. Dall, W.H. (1889b) A preliminary catalogue of shell-bearing marine mollusks and brachiopods of the south-eastern coast of the United States, with illustrations of many of the species. United States National Museum Bulletin, 37, 1–221, 74 pls.
  3. Dall W.H. 1889. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1879-80), by the U.S. Coast Survey Steamer "Blake", Lieut.-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XXIX. Report on the Mollusca. Part 2, Gastropoda and Scaphopoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College, 18: 1–492, pls. 10–40
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