Neoterebra sterigma
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| Shell of Neoterebra sterigma (holotype at MNHN, Paris) | |
| Scientific classification Edit this classification | |
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| Binomial name | |
| Template:Taxon infoTemplate:Taxon italics (Simone, 1999)
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| Synonyms[1] | |
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Neoterebra sterigma is a species of sea snail, a marine gastropod mollusk in the family Terebridae, the auger snails.[1]
Neoterebra sterigma is a typical species of deep-sea benthic snails in the western Atlantic Ocean. Its distinguishing features are fine shell carvings and wide apex angles, which are significantly different from shallow-sea species of the same genus (such as N. guadeloupensis).[2]
Classification
Neoterebra sterigma (Simone, 1999) belongs to the superfamily Conoidea, family Terebridae, and genus Neoterebra. It is currently only recorded in the Brazilian waters of the western Atlantic Ocean, with a habitat depth of 340–360 meters. It is a typical deep-sea aquatic species.[2]
Morphological Characteristics
Shell type
Small snail, shell length 16.4-24.2 mm (including paratype), with a wide and fat outline, convex whorls, and a wide apex angle (compared with the closely related species N. pruvosti).[2]
Shell surface carving
Axial ribs and spiral carvings: Axial ribs are fine and closely spaced (about 3 times the rib width), and the spiral carvings are dense and deep, cutting the top of the axial ribs to form a grid-like structure (different from the wide spacing and coarse carvings of N. pruvosti).[2]
Suture zone: With white sub-suture zone, deep indentations on the edge, and rectangular pits formed by the axial ribs inside the zone.[2]
Color: The shell color of living organisms is light yellow to pinkish white, and the sub-suture zone is white (the type specimen may fade to pure white because it was collected as a dead shell).[2]
Protoshell: 1.5-2.0 whorls, spherical core, and unclear transition from the body.[2]
Description
The length of the shell attains 11.9 mm.
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Distribution
This species occurs in the Atlantic Ocean off Southeast Brazil.
References
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- ^ a b MolluscaBase eds. (2020). MolluscaBase. Neoterebra sterigma (Simone, 1999). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1416762 on 2020-01-27
- ^ a b c d e f g Page Module:Citation/CS1/styles.css has no content.Dominique Lamy, Yves Terryn (2024). "A new species of Neoterebra from Guadeloupe and Martinique" (PDF).
External links
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