Megasurcula tremperiana is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Taxonomy There is some confusion about the accepted name for this species. The website Gastropods.com considers this species a synonym of Mangelia carpenteri (Folin, L. de, 1867) It was also considered a synonym of Bathytoma tremperiana (Dall, 1911), Boss, Kenneth J - Rosewater, Joseph, - Ruhoff, Florence A, The Zoological Taxa of William Healey Dall; Bulletin - United States National Museum. Volume: 287 Pages: 1--427 (1968) itself considered by W.H. Dall a synonym of Cryptoconus tremperianus Dall, 1911. Dall, William Healey. Summary of the marine shellbearing mollusks of the northwest coast of America: from San Diego, California, to the Polar Sea, mostly contained in the collection of the United States National Museum, with illustrations of hitherto unfigured species. No. 112. Govt. print. off., 1921 But then WoRMS considers this last name a synonym of Megasurcula carpenteriana (Gabb, 1865)MolluscaBase (2018). Megasurcula carpenteriana (Gabb, 1865). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=579016 on 2018-12-07
Description
The length of the shell attains 60 mm.
Distribution This marine species occurs off California.
References
W.H. Dall (1911), Notes on California shells (II). The Nautilus, vol. 24, no. 10, pp. 109–112,
External links
Gastropods.com: Mangelia carpenteri .The marine mollusks and brachiopods of Monterey Bay, California, and vicinity; Proceedings of the California Academy of Sciences, 4th series v.26 (1948-1950)