Ampullina depressa depressa ( Lamarck, 1804 )

Caze, Bruno, Merle, Didier, Meur, Mathieu Le, Pacaud, Jean-Michel, Ledon, Daniel & Martin, Jean-Paul Saint, 2011, Taxonomic implications of the residual colour patterns of ampullinid gastropods and their contribution to the discrimination from naticids, Acta Palaeontologica Polonica 56 (2), pp. 329-347 : 331-332

publication ID

https://doi.org/ 10.4202/app.2009.0084

persistent identifier

https://treatment.plazi.org/id/E8075B43-A57A-FFDE-3C0A-FAAA71A02334

treatment provided by

Felipe

scientific name

Ampullina depressa depressa ( Lamarck, 1804 )
status

 

Ampullina depressa depressa ( Lamarck, 1804) View in CoL

Fig. 2A View Fig .

Stratigraphic and geographic range.—Middle Eocene, Lutetian–Bartonian (PB, Loire−Atlantique).

doi:10.4202/app.2009.0084

Colour pattern description.—The pattern consists of three levels of residual colouration. The background is heterogeneous with a fluorescent spiral stripe located just below the subsutural step ( Fig. 2A View Fig 1 View Fig ). The apex is paler. The diffuse stripe varies in breadth and the whorl is sometimes almost entirely fluorescent (excepting the subsutural step and the base). In the latter case, the stripe may have a different colour (more orange) and is still distinguishable. An additional thin median stripe is seen ( Fig. 2A 2 View Fig ) in several specimens.

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