Sediliopsis angulata

Sediliopsis angulata is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.[1]

Sediliopsis angulata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Sediliopsis
Species:
S. angulata
Binomial name
Sediliopsis angulata
(Martin, 1904)
Synonyms

Drillia incilifera var. angulata G.C. Martin, 1904

Description

The length of the shell attains 16 mm, its diameter 5–7 mm.

(Original description) The pyramidal shell is sharply pointed. The beak is short and curved. The sculpture shows distant obtuse ribs on the lower half. The suture is waved, with an impressed line above it. The body whorl is short, angular on the shoulder. The body whorl shows an impressed revolving line above and four raised revolving lines inferiorly. The upper sinus of outer lip is deep and rounded, lower obselete. [2]

Distribution

Fossils of this species were found in Miocene Strata of the Chesapeake Bay, Maryland, USA.

gollark: Well, as in, both parents palindromic numbers.
gollark: I wonder if anyone can make PB palindromic number lines.
gollark: I bet there are probably only a few of those around.
gollark: https://dragcave.net/lineage/isHe9It doesn't look like a 9-year-old...
gollark: <@366271094648209422> Solipsism has some other non-checkery lines (I have an IOU going for one), so if you just want an EG PB one and have lots of stuff to trade and several years the lines could probably reach ridiculous lengths.

References
  1. Worldwide Mollusc Species Data Base: Sedilliopsis angulata
  2. G. C. Martin. 1904. Gastropoda. Maryland Geological Survey Miocene(Text):131-269
  • Petuch & Drolshagen, Molluscan Paleontology of the Chesapeake; CRC Press, 2009


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