Heterocithara bilineata

Heterocithara bilineata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.[1]

Heterocithara bilineata
Original image of a shell of Heterocithara bilineata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Mangeliidae
Genus: Heterocithara
Species:
H. bilineata
Binomial name
Heterocithara bilineata
(Angas, 1871)
Synonyms[1]
  • Clathurella bilineata Angas, 1871 (original combination)
  • Mangilia bilineata (Angas, 1871)

Description

(Original description) The shell is ovately turreted, moderately solid, pale straw-colour or light brown, nearly white around the aperture and at the base, with a narrow brown band just below the suture, and a second between the periphery and the base of the body whorl. The shell contains 6 whorls , angulate at the upper part, coarsely longitudinally ribbed and transversely ridged. The interstices are very finely decussately striated. The aperture is acuminately ovate. The outer lip is arcuate, contracted towards the base, and thickened behind. The posterior sinus is very shallow.[2]

Distribution

This marine species is endemic to Australia and occurs off New South Wales and Victoria.

gollark: What property of the waveforms it's generating varies as you change X/Y?
gollark: I'm aware it's converting it into waveforms somehow. That's just very vague.
gollark: What do you mean "right channel"? Frequency on the right channel or what?
gollark: I don't understand how this is actually mapping the position to sound.
gollark: They have been dealt with.

References
  1. WoRMS (2009). Heterocithara bilineata (Angas, 1871). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://marinespecies.org/aphia.php/aphia.php?p=taxdetails&id=434000 on 2017-07-16
  2. Angas G.F. (1871) Description of thirty-four new species of shells from Australia. Proceedings of the Zoological Society of London, 1871: 13–21, pl. 1
  • Gatliff, J.H. & Gabriel, C.J. 1912. Additions to and alterations in the Catalogue of Victorian Marine Mollusca. Proceedings of the Royal Society of Victoria n.s. 25(1): 169–175
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