Cretiscalpellum unguis

Taxonavigation

Taxonavigation: Calanticomorpha

Superregnum: Eukaryota Cladus: Amorphea Cladus: Obazoa Cladus: Opisthokonta Cladus: Holozoa Cladus: Filozoa Cladus: Choanozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa Cladus: Bilateria Cladus: Nephrozoa Cladus: Protostomia Superphylum: Ecdysozoa Cladus: Panarthropoda Phylum: Arthropoda Cladus: Mandibulata Cladus: Pancrustacea Superclassis: Multicrustacea Classis: Thecostraca Subclassis: Cirripedia Infraclassis: Thoracica Superordine: Thoracicalcarea Ordine: Calanticomorpha

Familia: †Cretiscalpellidae
Genus: †Cretiscalpellum
Species: Cretiscalpellum unguis

Name

• Cretiscalpellum unguis (Sowerby, 1836): 335
  • Original genus: Pollicipes
  • Stratigraphic and Geolographic range: Cretaceous (middle to upper Albian); England, France
  • LectoType locality: probably upper Albian Gault Formation, Folkestone, England
  • Typus: Lectotype specimen illustrated in Sowerby, 1836, fig. 5, by Withers, 1935: 150; present whereabouts unknown (Gale, 2025: 110)
  • ZooBank: 28585C66-67FF-4AD6-8DC1-98AA14B24B2A

Synonyms

• Cretiscalpellum imbricatum (Withers, 1910): 496
  • Original genus: Pollicipes
  • Stratigraphic and Geolographic range: Cretaceous (Albian); Known only from type area
  • Type locality: upper greensand, Blackdown, Devonshire England
  • Typus: Holotype right scutum BMNH In.13519; paratypes BMNH In.5392, 13518, 13520-13522
  • Synonymized in Gale, 2025: 110
  • ZooBank: 0F47FBFA-192E-4BF7-9ED7-DCAEDEF47AFC
• Pollicipes laevis Sowerby, 1836: 335, pl. 11, fig. 5 only
  • Synonymized in Darwin, 1851: 64
  • ZooBank: 5DE6D921-3EE9-427D-9C6A-E04F40272676

References

• Sowerby, J.C. 1836. Descriptive notes respecting the shells figured in Plates XI–XXIII Appendix A: 335–348. In: Fitton, W.H. Observations on some of the strata between the Chalk and the Oxford Oolite in the south-east of England. Transactions of the Geological Society of London ser. 2, 4: 103–389. BHL Reference page.  [See p. 335, original description as Pollicipes unguis]

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• Darwin, C. 1851. A monograph on the fossil Lepadidæ, or, Pedunculated Cirripedes of Great Britain. Paleontographical Society, London. 88 pp. BHL Reference page.  [See p. 64, as Pollicipes unguis, discussion, extensive description]
• Gale, A.S. 2019. Thoracican cirripedes (Crustacea) from the Hauterivian (Lower Cretaceous) of Hannover, northern Germany. Proceedings of the Geologists' Association, 130(6): 659–672. DOI: 10.1016/j.pgeola.2019.03.002 Reference page.  [See p. 663, list of accepted species]
• Gale, A.S. 2020. New thoracican cirripedes (Crustacea) from the Cretaceous of Europe and North Africa. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 295(3): 243–282. DOI: 10.1127/njgpa/2020/0886 Reference page.  [See p. 251, emended list of accepted species]
• Gale, A.S. 2025. British Fossil Cirripedia. Part 2. Calanticomorpha, Scalpellomorpha. Monograph of the Palaeontographical Society, London 179(671): 105–193. DOI: 10.1080/0269345.2025.2494375 Reference page.  [See p. 108, discussion, synonyms]
• Withers, T.H. 1910. The Cretaceous cirripede Pollicipes laevis, J. de C. Sowerby. The Geological Magazine, decade 5, vol. 7: 495–501. BHL Reference page.  [See p. 498, as Pollicipes unguis, redescription; also see p. 496 as Cretiscalpellum imbricatum, junior synonym]
• Withers, T.H. 1922. The morphology of some Cretaceous cirripedes. Annals and Magazine of Natural History, series 9, 9(52): 368–379. BHL Reference page.  [See p. 370, as Scalpellum (Cretiscalpellum) unguis, generic re-assignment]
• Withers, T.H. 1935: Catalog of fossil Cirripedia in the Department of Geology of the British Museum. Vol. 2, Cretaceous. London, British Museum, 433 p. Reference page.  [See p. 149, as Cretiscalpellum unguis, generic re-assignment]

Links

• BHL bibliography
• Cretiscalpellum unguis – Taxon details on Encyclopedia of Life (EOL).
• Global Biodiversity Information Facility. 2019. GBIF Backbone Taxonomy. Checklist dataset. Taxon: Cretiscalpellum unguis.
• ION