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Taxon profile

genus

Granotoma P. Bartsch, 1941

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Mangeliidae

Description

Nuclear whorls with spiral cords; postnuclear turns with closely spaced axial ribs and deeply incised spiral lines, which cut the ribs so as to render the spaces between the spiral lines finely nodulose. The entire surface of spire and base therefore becomes granose. Columella somewhat twisted. Type: Granotoma krausei (Dall) = Bela krausei Dall.
This group extends from the Arctic Sea south over Alaska on the Ameri¬can side and to the Japan Sea along the Asiatic continent.
Bartsch, P. (1941). The nomenclatural status of certain northern turritid molluscs.
Author: Jan Delsing

Included taxa

Number of records: 4

species Granotoma albrechti (A. Krause, 1886)

Granotoma albrechti

species Granotoma kobelti (Verkrüzen, 1876)
species Granotoma krausei (W.H. Dall, 1887)

Granotoma krausei

species Granotoma tumida (Posselt, 1898)

Links and literature

EN The Interim Register of Marine and Nonmarine Genera [1275686]

Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Granotoma Bartsch, 1941]
Data retrieved on: 8 December 2019

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