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Species Bulla cosmophila Sowerby 1846


Discussion / Comments:
Griffin & Nielsen (2008):
TYPE MATERIAL. Holotype NHM-G26345. REMARKS. This species is referable to Kaitoa Marwick, 1931 [type species Scaphander (Kaitoa) haroldi Marwick, 1931], with fine spiral sculpture all over the shell. The shape of the shell is slightly more cylindrical than the very oval, Scaphander- like shell shown in the figure. This, together with the fine spiral sculpture all over the shell surface, suggests it fits better in Kaitoa than in Scaphander s.s. as suggested by Frassinetti & Covacevich (1995) and Frassinetti (2000). Frassinetti (2000) reported this species from Isla Guafo, Isla Guamblín and Tubul (Arauco), all these localities are regarded as early to late Pliocene in age. Whether the Recent Chilean Scaphander interruptus Dall, 1890 is closely related must be left open to an evaluation of a larger suite of material.
Synonym list:
Griffin & Nielsen (2008):
1846 Bulla cosmophila Sowerby. - Sowerby : p.254 pl. 3; fig. 35
? 1995 Scaphander cf. cosmophilus Sowerby. - Frassinetti & Covacevich : p.64 pl. 2; fig. 17, 18
2000 Scaphander cosmophilus Sowerby. - Frassinetti : p.148 pl. 2; fig. 19-21
2008 Kaitoa cosmophila Sowerby. - Griffin & Nielsen : pl. 20; fig. 12-13
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

Frassinetti,D.. and Covacevich,V.. (1995):
Moluscos del Plioceno Superior marino de Isla Guamblín, Archipiélago de los Chonos, sur de Chile . Revista Geológica de Chile Vol. 22 p. 47-73

Frassinetti,D.. (2000):
Moluscos del plioceno superior marino de Isla Guafo, sur de Chile. Parte II: gastropoda . Boletín del Museo nacional de historia natural, n°spécial:, Santiago Vol. 49 p. 131-161

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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