Mangelia hyemalis explained

Mangelia hyemalis is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.^[1]

Description

The length of the shell attains 30 mm.

The shell has a fusiform shape. It is slightly translucent but still solid. The spire has an elongated conical shape. The protoconch is papillar, white and shining. The shell contains 9 whorls. They are slightly impressed towards the suture. They are at first smooth but then become obliquely costulate and rugose. The narrow aperture has an elongated oval shape with on top a large and deep sinus. The siphonal canal is very short and wide open. The columella is slightly arcuate and is thickened at its base.^[2]

Distribution

This marine species occurs off Tierra del Fuego.

External links

• • Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.
• MNHN, Paris: syntype

Notes and References

1. Rosenberg, G. (2010). Mangelia hyemalis (Mabille & Rochebrune, 1889). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533017 on 2017-09-03
2. https://www.biodiversitylibrary.org/item/105001 Rochebrune A.-T. de & Mabille J.. (1889). Mollusques. in: Mission Scientifique du Cap Horn 1882–1883. Tome 6 (Zoologie 2, part 8). Paris, Gauthiers-Villars. H.1-H.129, pls. 1–8