Published February 6, 2025 | Version v1
Taxonomic treatment Open

Steromphala tumida

  • 1. Université de Rennes, Campus de Beaulieu, 263 avenue Général Leclerc 35042 Rennes (France) bouchardblanche @ gmail. com (corresponding author)
  • 2. Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden (The Netherlands) and Department of Earth Sciences, Utrecht University, Princetonlaan 8 a, 3584 CB Utrecht (The Netherlands)
  • 3. Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden (The Netherlands)

Description

Steromphala tumida (Montagu, 1803) (Fig. 4J 1-J 3)

Trochus tumidus Montagu, 1803: 280, pl. 10, fig. 4.

Trochus (Gibbula) tumidus – Harmer 1923: 733 (partim, pl. 59, fig. 11, not pl. 59, fig. 10) (Upper Pleistocene-Recent records only).

Gibbula tumida – Pouwer & Wesselingh 2012: 152, fig. 4 (non Gibbula tumida Símonarson & Eiríksson in Eiríksson & Símonarson, 2021).

MATERIAL AND DIMENSIONS. — Height 4.8 mm. — RGM.1310832 (1), leg. SM; n.n. (8), leg. SM.

SPECIES CHARACTERISATION. — This small Steromphala species is characterised by rounded shoulders, fine and slightly irregular spiral ribbing, very strong prosocline growth-lines, a subquadrate aperture with a slight chink on the columella.

DISTRIBUTION. — Lower Pleistocene: Atlantic, Selsoif, France (this paper). — Late Pleistocene: Channel region, Selsey, west coast of Scotland, Largo bay, Belfast, Livorno (Italy) and Christiana Fjord and Trondhjem in Norway (Harmer 1923). — Recent: Iceland and northern Norway to Gibraltar (Pouwer & Wesselingh 2012; Harmer 1923).

Notes

Published as part of Bouchard, Blanche, Wesselingh, Frank P., Pouwer, Ronald & Landau, Bernard, 2025, The Gelasian gastropod fauna of Selsoif (Manche, France), pp. 39-91 in Geodiversitas 47 (3) on page 48, DOI: 10.5252/geodiversitas2025v47a3, http://zenodo.org/record/14823602

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Linked records

Additional details

Biodiversity

Scientific name authorship
Montagu
Kingdom
Animalia
Phylum
Mollusca
Order
Trochida
Family
Trochidae
Genus
Steromphala
Species
tumida
Taxon rank
species
Taxonomic concept label
Steromphala tumida (Montagu, 1803) sec. Bouchard, Wesselingh, Pouwer & Landau, 2025

References

  • MONTAGU G. 1803. - Testacea Britannica or Natural History of British Shells, Marine, Land, and Fresh-Water, Including the most Minute: Systematically Arranged and Embellished with Figures. J. White, London, Vol. 1, xxxvii + 291 p.; Vol. 2, p. 293-606, pl. 1 - 16.
  • WESSELINGH F., RIJKEN R., VAN NIEULANDE F., JANSE A. & POUWER R. 2012. - De fossiele schelpen van de Nederlandse kust II. De Cerithium-achtigen (deel 2). Spirula 385: 37-47
  • EIRIKSSON J. & SIMONARSON L. A. (eds) 2021. - Pacific-Atlantic Mollusc Migration. Vol. 52. Cham, Springer International Publishing: 525-565 (Topics in Geobiology). https://doi.org/10.1007/978-3-030-59663-7
  • POUWER R. & WESSELINGH F. P. 2012. - De fossiele schelpen van de Nederlandse kust, 2 (3). Trochidae, Solariellidae en Calliostomatidae. Spirula 389: 151-164.