Work

Turbonilla undetermined

Year: 2025

Type: other

Abstract: Turbonilla indet. (Fig. 14E 1-E 3) MATERIAL AND DIMENSIONS. — Maximum height 1.3 mm, width 0.6 mm. — RGM.1365304 (1) leg. AWJ; RGM.1365305 (1), leg. AWJ; RGM.1365223 (4), leg. AWJ. SPECIES CHARACTERISATION. — Small, relatively broad turriform shell. Protoconch absent. Last 4.5 teleoconch whorls preserved, whorls rather flat-sided, first two whorls surface abraded, last two whorls with very broad opisthocline ribs separated by narrow interspaces. Pyriform aperture angled at top of straight columella. Subobsolete columellar fold. DISTRIBUTION. — Lower Pleistocene: Atlantic, Selsoif, NW France (this paper). REMARKS The species from Selsoif has a similar outline to that of Turbonilla pumila G. Seguenza, 1876, but with broader ribs and flatter whorls but further identification is not possible.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.14846426

Authors: Bouchard, Blanche, Wesselingh, Frank P., Pouwer, Ronald, Landau, Bernard

Institutions: Université de Rennes, Naturalis Biodiversity Center, Utrecht University

Language: English

Topic: Paleontology and Stratigraphy of Fossils

Subfield: Paleontology

Field: Earth and Planetary Sciences

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W6930601312

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