Pseudodaphnella oligoina

Pseudodaphnella oligoina is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1]

Pseudodaphnella oligoina
Original image of a shell of Pseudodaphnella oligoina
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Raphitomidae
Genus: Pseudodaphnella
Species:
P. oligoina
Binomial name
Pseudodaphnella oligoina
Hedley, 1922
Synonyms[1]
  • Kermia oligoina Hedley, 1922
  • Paramontana oligoina (Hedley, 1922)

Description

The length of the shell attains 7 mm , its diameter 3 mm.

(Original description) The shell is of medium size, rather thin, lanceolate, turreted, with a sloping shoulder, perpendicular periphery, and an excavate base. Its colour is uniform pale buff. The shell contains 7 whorls, including a two-whorled protoconch.

Sculpture: The radials are discontinuous from whorl to whorl, feeble and oblique on the shoulder, prominent and perpendicular on the peripheral area, and traversing the basal excavation, widely spaced. There are on the body whorl ten spirals slighter than the radials. On the fasciole area of the body whorl are three faint and narrow threads. From the shoulder to the basal angle are five cords, which override the ribs and thus enclose a series of oblong and nearly uniform meshes. On the snout are six crowded and progressively diminishing beaded spirals. The upper whorls carry four spirals. Within the meshes are fine radial striae. The basal furrow is spaced as if a spiral of regular sequence to the rest were omitted. The aperture is unusually wide. The varix is prominent, more massive than the ribs. The sinus is shallow. The siphonal canal is bent, short, and open.

This species has a general resemblance to Kermia spelaeodea Hervier, 1897 (synonym of Pseudodaphnella infrasulcata (Garrett, 1873)) from New Caledonia, but is smaller, thinner, less cylindrical, and with fewer radials and spirals, resulting in larger meshes in the sculpture.[2]

Distribution

This marine species is endemic to Australia and occurs off Queensland. It has also been found off Cebu, the Philippines.

gollark: (produced by the common Unix tool `haxxdump`)
gollark: 011d3b0 ecda fe42 f33d d112 2b8c 7e1d 24d2 11e5011d3c0 2475 ae6a bb0f 0c59 592b 3e75 6074 5f61011d3d0 ff42 a907 c773 c81f 3095 97ba 7fe2 5270011d3e0 c021 d886 1dfc 01eb f22a 0174 38cb ab3e011d3f0 2476 6efa 2bb0 6dde cd92 0222 5467 7221011d400 bb13 2647 77f7 8c51 6206 e40d 3c85 117c011d410 86bb 928f 2234 bb31 298e dd89 7209 6a00011d420 49b1 182b 52fc 6659 f720 c14c 7064 213c011d430 be13 5b7f 36db 9228 232a be39 1c9e 4065011d440 3e92 3fa8 a538 8a60 c599 7c88 9f72 9748011d450 8a5d fc83 b21b e48d 666a 8670 3d61 0225
gollark: I have made many a useless side project.
gollark: I mean, there's a difference between programming and, say, sysadmin stuff, but yes.
gollark: Backdoor it with python 3.3, yes.

References
  1. MolluscaBase (2019). MolluscaBase. Pseudodaphnella oligoina Hedley, 1922. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=436653 on 2019-11-11
  2. Hedley, C. 1922. A revision of the Australian Turridae. Records of the Australian Museum 13(6): 213-359, pls 42-56 This article incorporates text from this source, which is in the public domain.
  • Powell, A.W.B. 1966. The molluscan families Speightiidae and Turridae, an evaluation of the valid taxa, both Recent and fossil, with list of characteristic species. Bulletin of the Auckland Institute and Museum. Auckland, New Zealand 5: 1–184, pls 1–23
  • Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
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