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Dentalium sulcosum Sowerby 1846 from: Griffin, M..Nielsen, S.N.. (2008): A revision of the type specimens of Tertiary molluscs from Chile and Argentina described by d’Orbigny (1842), Sowerby (1846), and Hupé (1854) . Journal of Systematic Palaeontology
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Species Dentalium sulcosum Sowerby 1846



Discussion / Comments:
Griffin & Nielsen (2008):
TYPE MATERIAL. Holotype in two pieces: NHM-G26402 (Navidad). REMARKS. This species apparently occurs in the siltstones and not in the sandstones of the Navidad Formation. As Sowerby (1846, p. 263) pointed out, it has 14 rather strong longitudinal ribs and through this can easily be recognized. Steiner & Kabat (2004) stated, that this species is a synonym of Dentalium majus Sowerby, 1846 (see above) due to first reviser action of Ortmann (1902). However, these two species are clearly not the same. Steiner & Kabat (2004) cited J. de C. Sowerby as author of this species, which is a mistake.
Synonym list:
Griffin & Nielsen (2008):
1846 Dentalium sulcosum Sowerby. - Sowerby : p.263 pl. 2; fig. 2
2008 "Dentalium" sulcosum Sowerby. - Griffin & Nielsen : pl. 24; fig. 17, 20, 21
References:

Sowerby,G.B.. (1846):
Descriptions of Tertiary fossil shells from South America..
In: Geological observations on South America. Eds: Darwin, C.. p. 249-264

Griffin,M.. and Nielsen,S.N.. (2008):
A revision of the type specimens of Tertiary molluscs from Chile and Argentina described by d’Orbigny (1842), Sowerby (1846), and Hupé (1854) . Journal of Systematic Palaeontology

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