Published December 31, 2008 | Version v1
Taxonomic treatment Open

Actinobalanus bisulcatus

Authors/Creators

Description

Actinobalanus bisulcatus (Darwin, 1854a)

Fig. 3 (7)

Balanus bisulcatus Darwin, 1854a: 293; pl. 8, figs 6a–c

Synonymy: Balanus bisulcatus var. plicatus Darwin, 1854a: 293; 1854b: 26. Balanus (Armatobalanus) bisulcatus plicatus (Darwin, 1854a): Davadie, 1963: 74. Actinobalanus bisulcatus plicatus (Darwin, 1854a): Newman & Ross, 1976: 49. Balanus stellaris (Brocchi, 1814): Prieur & Philippe, 1984: 65.

Other references: Balanus bisulcatus Darwin, 1854 a: De Alessandri, 1906 (in part); 1922: 221. Balanus (Armatobalanus) bisulcatus Darwin, 1854 a: Davadie, 1963: 74. Balanus (Actinobalanus) bisulcatus Darwin, 1854 a: Moroni, 1967: 925. Actinobalanus bisulcatus (Darwin, 1854a): Newman & Ross, 1976: 49; Zullo & Perreault, 1989: 3; Carriol, 1992: 143.

Type locality: Corraline Crag, Ramsholt, Gedgrave, Sutton, England.

Occurrence: Ferrière-Larçon and Pauvrelay (Paulmy commune), Indre-et-Loire, France, faluns of Middle Miocene age.

Material: MNHN A24749: left scutum.

In addition to the figured scutum, two unregistered scuta, from Paulmy, have been observed.

Measurements: MNHN A24749: occludent margin 2.6 mm, tergal margin 1.5 mm. Other scutum: occludent margin 2.9 mm, tergal margin 1.5 mm.

Diagnosis (after Zullo & Perreault, 1989): Parietes smooth or markedly costate; radii narrow or broad, disparietal, scutum with two to four external longitudinal furrows; scutal adductor ridge prominent, length greater than one-half length of occludent margin; scutal articular ridge not extending beyond tergal margin; tergal spur very short, less than one-tenth length of plate, broad, occupying one-half width of basal margin, subtruncate basally, nearly confluent with basiscutal angle; juncture of spur and carinal side of basal margin arcuate.

Remarks: The capitular plates of A. bisulcatus cannot be distinguished from those of A. collinsi. However, the scuta, characteristic of the species with their external longitudinal furrows (two and three furrows for the specimens from Paulmy and three for the one from Ferrière-Larçon), conform to the diagnosis.

Stratigraphic and geographic range: Burdigalian (France: Cestas, Aquitain basin; Faucon-Mollans- Malaucène basin), Middle Miocene (France, faluns of Touraine), Pliocene (England, Coralline Crag, Sutton; France, Rauville and Gourbesville, Cotentin; Belgium, Bolderberg, near Hasselt, and Karrendijke formation).

This is the first record of Balanus bisulcatus from the Middle Miocene.

Notes

Published as part of Carriol, René-Pierre, 2008, New genus and new species of Cirripedia (Chthamalidae, Tetraclitidae, Archaeobalanidae and Balanidae) from the Middle Miocene of the faluns of Touraine (France), pp. 31-48 in Zootaxa 1675 on pages 40-41, DOI: 10.5281/zenodo.180298

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Linked records

Additional details

Biodiversity

Scientific name authorship
Darwin
Kingdom
Animalia
Phylum
Arthropoda
Order
Sessilia
Family
Archaeobalanidae
Genus
Actinobalanus
Species
bisulcatus
Taxon rank
species
Taxonomic concept label
Actinobalanus bisulcatus (Darwin, 1854) sec. Carriol, 2008

References

  • Darwin, C. (1854 a) A monograph on the sub-class Cirripedia, with figures of all the species. The Balanidae, (or sessile Cirripedes); the Verrucidae. Ray Society, London, i-viii + 684 pp.
  • Davadie, C. (1963) Etude des Balanes d'Europe et d'Afrique. Systematique et structure des Balanes d'Europe et d'Afrique. C. N. R. S. (Ed.), Paris, 146 pp.
  • Newman, A. W. & Ross, A. (1976) Revision of the balanomorph barnacles; including a catalog of the species. San Diego Society of Natural History, Memoir, 9, 1 - 108.
  • Brocchi, G. B. (1814) Conchiologia fossile subapennina con osservazioni Geologiche sugli apennini e sul suolo adiacente. Milano, 712 pp.
  • Prieur, A. & Philippe, M. (1984) Crustaces Cirripedes. In: La faune du facies " Marnes bleues ", Burdigalien du Bassin de Faucon-Mollans-Malaucene (sud-est de la France). Nouvelles Archives du Musee d'Histoire naturelle de Lyon, 22, 64 - 68.
  • De Alessandri, G. (1906) [1907]. Osservationi sopra alcuni Cirripedia fossili della Francia. Atti della Societa Italiana di Scienze Naturali, 45, 251 - 291.
  • Moroni, M. A. (1967) Classificazione sottogenerica ed affinita di Balanus actinomorphus Moroni, 1952. Rivista Italiana di Paleontologia, 73 (3), 919 - 928.
  • Zullo, V. A. & Perreault, R. T. (1989) Review of Actinobalanus Moroni (Cirripedia: Archaeobalanidae), with the description of new Miocene species from Florida and Belgium. Tulane Studies in Geology and Paleontology, 22 (1), 1 - 12.
  • Carriol, R. - P. (1992) Balanoidea du Neogene de Vendee (France). Bulletin du Museum national d'Histoire naturelle, ser.