Tonna dunkeri

Tonna dunkeri
	Shell of Tonna dunkeri (specimen at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Family:	Tonnidae
Genus:	Tonna
Species:	T. dunkeri
Binomial name
	Tonna dunkeri; (Hanley, 1860)
Synonyms
	Dolium (Dolium) dunkeri(Hanley, 1860)(Unnecessary interpolation); Dolium dunkeriHanley, 1860; Tonna perdixSteyn & Steyn, 2002; Tonna variegataKilburn, 1971; Tonna variegata f. dunkeriHanley, 1860;

Last updated December 10, 2024

Tonna dunkeri, common name boxing glove, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.^[2]

Description

The length of the shell attains 125 mm. ^[3]

The shell is moderate to large, fragile and globular in shape. It features a very large aperture and a low spire. The surface is sculpted with well-developed, broad, flat-topped spiral cords, and the base has a pronounced siphonal notch. Adult animals lack an operculum. This species is highly variable, with both shallow- and deep-water forms. On the Agulhas Bank, shells tend to be more globular, with a lower spire, a pronounced shoulder, and a slightly sunken suture. ^[3]

The color of fresh shells is light brown to orange-brown. The ribs are marked with irregular white blotches, bordered by darker brown bars. ^[3]

Distribution

This marine species occurs off South Africa, off the Agulhas Bank and East coast at depths between 50 m and 100 m; also off Madagascar.

Related Research Articles

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References

↑ Hanley. 1859, Proc. Zool. Soc. London, 1859. World Register of Marine Species, Retrieved 9 July 2010.
1 2 Tonna dunkeri (Hanley, 1860) . Vos, C. (2009). Tonna dunkeri (Hanley, 1860). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=410246 on 9 July 2010 .
1 2 3 Herbert, D.G., Jones, G.J. & Atkinson, L.J. (2018). Phylum Mollusca. In: Atkinson, L.J. and Sink, K.J. (eds) Field Guide to the Offshore Marine Invertebrates of South Africa. Pretoria: Malachite Marketing and Media. p. 289. doi:10.15493/SAEON.PUB.10000001. ISBN 978-1-86868-098-6 . Retrieved 17 October 2024.{{cite book}}: CS1 maint: multiple names: authors list (link) This article incorporates textfrom this source, which is available under the CC BY-SA 4.0 license.

Hanley, S. (1860a), Descriptions of New Univalve Shells from the Collections of H. Cuming and Sylvanus Hanley. Proceedings of the Zoological Society of London, 1859 27: 429-431
Bayer, Ch. (1937) Catalogue of the Doliidae in the Rijksmuseum van Natuurlijke Historie. Overgedrukt uit Zoologiscshe Mededelingen XX, Leiden, E. J. Brill, page(s): 38
Kilias, R. (1962) Das Tierreich, Lieferung 77, Gastropoda / Prosobranchia: 1-63, Walter de Gruyter & Co., Berlin. page(s): 35
Kilburn R.N. (1971). On some species of the families Tonnidae, Hipponicidae, Buccinidae, Columbariidae, Fasciolariidae, Psammobiidae and Mactridae (Mollusca) in South African waters. Annals of the Natal Museum 20(3):483-497
Steyn, D.G. & Lussi, M. (1998) Marine Shells of South Africa. An Illustrated Collector's Guide to Beached Shells. Ekogilde Publishers, Hartebeespoort, South Africa, ii + 264 pp. page(s): 70
Vos, C. (1999) A new Tonna Brünnich, 1772 (Gastropoda: Tonnidae) from Gulf of Aden. Gloria Maris, Vol. 38, (1–6), p. 43–47, pl. 8-9 page(s): 44
Vos, C. (2007) A conchological Iconography (No. 13) - The family Tonnidae. 123 pp., 30 numb. plus 41 (1 col.) un-numb. text-figs, 33 maps., 63 col. pls, Conchbooks, Germany page(s): 93

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[1] Hanley. 1859, Proc. Zool. Soc. London, 1859. World Register of Marine Species, Retrieved 9 July 2010.

[WoRMS-2] 1 2 Tonna dunkeri (Hanley, 1860) . Vos, C. (2009). Tonna dunkeri (Hanley, 1860). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=410246 on 9 July 2010 .

[Herbert-3] 1 2 3 Herbert, D.G., Jones, G.J. & Atkinson, L.J. (2018). Phylum Mollusca. In: Atkinson, L.J. and Sink, K.J. (eds) Field Guide to the Offshore Marine Invertebrates of South Africa. Pretoria: Malachite Marketing and Media. p. 289. doi:10.15493/SAEON.PUB.10000001. ISBN 978-1-86868-098-6 . Retrieved 17 October 2024.{{cite book}}: CS1 maint: multiple names: authors list (link) This article incorporates textfrom this source, which is available under the CC BY-SA 4.0 license.

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