Antiplanes briseis

Antiplanes briseis is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.[1]

Antiplanes briseis
Original image of a shell of Antiplanes briseis
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Antiplanes
Species:
A. briseis
Binomial name
Antiplanes briseis
Dall, 1919

Description

The length of the shell attains 18 mm, its diameter 5 mm.

(Original description) The elongate, acute, white shell is covered with a very pale olivaceous periostracum. It shows a blunt swollen protoconch of about a 1½ whorl (eroded) and eight subsequent rather flattish whorls. The suture is obscure and appressed. The spiral sculpture consists of one or two feeble flattish cords between the periphery and the succeeding suture on the spire, and on the body whorl about twice as many more or less obsolete. The axial sculpture consists of rather prominent, deeply arcuate incremental lines. The anal fasciole is wide and not impressed. The deepest part of the sulcusis near the periphery. The aperture is narrow. The outer lip is thin, sharp and much produced. The inner lip and the columella are erased, the latter short, straight, obliquely attenuated in front. The siphonal canal is distinct, produced and straight. [2]

Distribution

The holotype was found off Drakes Bay, California, USA.

gollark: Data structures allocate heap space internally.
gollark: Rust is pretty good for GCing, since it doesn't have a GC.
gollark: Rust is better than Go, you see.
gollark: `assert(Eta <= Scala)`
gollark: Strictly speaking, not the same.

References
  1. Antiplanes briseis Dall, 1919. Retrieved through: World Register of Marine Species on 31 March 2010.
  2. Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceedings of the U.S. National Museum, vol. 56 pp.1–86, 24 pls (1920) This article incorporates text from this source, which is in the public domain.
  • Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
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