Work

Aclis walleri Jeffreys 1867

Year: 2025

Type: other

Abstract: Aclis walleri Jeffreys, 1867 (Fig. 10E 1-E 3) Aclis walleri Jeffreys, 1867: 105. — Harmer 1925: 869, pl. 65, fig. 25. — Van Regteren Altena et al. 1955: 21, fig. 78. — Menkhorst & Wesselingh 2018: 43, fig. 15. Alvania ascaris – Wood 1848: 99, pl. 12, fig. 11 [non Aclis ascaris (Turton, 1819)]. MATERIAL AND DIMENSIONS. — Maximum height 2.4 mm, width 1.1 mm. — RGM.1365001 (1), leg. ACJ. SPECIES CHARACTERISATION. — Small, smooth, turriform shell with relatively broad apical angle. Protoconch missing. Up to six low, convex teleoconch whorls separated by deep suture; smooth, somewhat flattened base; aperture incomplete. DISTRIBUTION. — Lower Pliocene: NSB, Coralline Crag, England (Wood 1848; Harmer 1925). — Lower Pleistocene: Atlantic, Selsoif, NW France (this paper). — Upper Pleistocene: NSB, Netherlands (Van Regteren Altena et al. 1955; Menkhorst & Wesselingh 2018). Today this species occurs from Iceland to Spain (Bouchet & Warén 1986), Azores (Hoffman & Freiwald 2020).

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.14823655

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: W6949214387

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