Circulus (gastropod)

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Genus of gastropods

title: "Circulus (gastropod)" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["vitrinellidae", "gastropod-genera"] description: "Genus of gastropods" topic_path: "general/vitrinellidae" source: "https://en.wikipedia.org/wiki/Circulus_(gastropod)" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of gastropods ::

|image = Circulus ryalli (MNHN-IM-2010-22413).jpeg |image_caption = Shell of Circulus ryalli (paratype at MNHN, Paris) |display_parents = 3 |taxon = Circulus |authority = Jeffreys, 1865 |synonyms_ref = |synonyms =

  • Circlotoma Laseron, 1958
  • Circulus (Circulus) Jeffreys, 1865
  • Cyclostrema (Lydiphnis) Melvill, 1906 junior subjective synonym (original combination)
  • Elachorbis Iredale, 1915
  • Lydiphnis Melvill, 1906 junior subjective synonym
  • Lydiphnis (Cymatopteryx) Pilsbry & Olssen, 1946 junior subjective synonym
  • Lydiphnis (Mesopteryx) Pilsbry & Olssen, 1945 junior homonym (of Mesopteryx Saussure, 1870 (Orthoptera )
  • Pygmaeorota Kuroda & Habe, 1954
  • † Pygmaeorota (Lydiphnopsis) Shuto, 1969 junior subjective synonym
  • Pygmaeorota (Pygmaeorota) Kuroda & Habe, 1954
  • Pygmaeorota (Soyorota) Habe, 1961
  • Pygmaerota Kuroda & Habe, 1952 (nude name)
  • Soyorota Habe, 1961
  • Trochus (Circulus) Jeffreys, 1865 (original rank)
  • Vitrinella (Lydiphnis) Melvill, 1906 |type_species = Delphinula duminyi |type_species_authority = Requien, 1848

Circulus is a genus of very small and minute sea snails with an operculum, marine gastropod mollusks in the family Vitrinellidae.

Species

According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Circulus

The Indo-Pacific Molluscan Database also mentions the following species with names in current use :

;Species brought into synonymy:

  • Circulus bailyi Hertlein & A. M. Strong, 1951: synonym of Cyclostremiscus bailyi (Hertlein & A. M. Strong, 1951)
  • Circulus biporcata [sic]: synonym of Circulus biporcatus (A. Adams, 1863)
  • Circulus carinulatus Locard, 1889: synonym of * Circulus striatus* (Philippi, 1836)
  • Circulus cerrosensis Bartsch, 1907 accepted as Cyclostremiscus cerrosensis (Bartsch, 1907)
  • Circulus cingulatus Bartrum, 1919 † accepted as Pterolabrella cingulata (Bartrum, 1919) †
  • Circulus costulatus Locard, 1889: synonym of Circulus striatus (Philippi, 1836)
  • Circulus cubanus Pilsbry & Aguayo, 1933: synonym of Cyclostremiscus cubanus (Pilsbry & Aguayo, 1933)
  • Circulus dalli Bush, 1897: synonym of Cyclostremiscus dalli (Bush, 1897)
  • Circulus delectabile (Tate, 1899) accepted as Circulus delectabilis (Tate, 1899) (unaccepted incorrect grammatical agreement of specific epithet)
  • Circulus diomedeae Bartsch, 1911 accepted as Cyclostremiscus diomedeae (Bartsch, 1911)
  • Circulus formosissimus Brugnone, 1873: synonym of Skeneoides jeffreysii (Monterosato, 1872)
  • Circulus hendersoni (Dall, 1927): synonym of Cyclostremiscus hendersoni (Dall, 1927)
  • Circulus jeffreysii Monterosato, 1872: synonym of Skeneoides jeffreysii (Monterosato, 1872)
  • Circulus madreensis F. Baker, Hanna & A. M. Strong, 1938 accepted as Cyclostremiscus madreensis (F. Baker, Hanna & A. M. Strong, 1938)
  • Circulus margaritiformis (Dall, 1927): synonym of Cirsonella margaritiformis (Dall, 1927)
  • Circulus modesta [sic]: synonym of Circulus modestus (Gould, 1859)
  • Circulus nicholsoni A. M. Strong & Hertlein, 1939 accepted as Episcynia nicholsoni (A. M. Strong & Hertlein, 1939)
  • Circulus perlatus Pelseneer, 1903 accepted as Orbitestella perlata (Pelseneer, 1903) (original combination)
  • Circulus philippinensis Rubio & Rolán, 2022: synonym of Circulus pacomartinezi Rubio & Rolán, 2023 (junior homonym, invalid: secondary junior homonym of Circulus philippinensis (Shuto, 1969); C. pacomartinezi is a replacement name)
  • Circulus sarsi (Bush, 1897) accepted as Orbitestella sarsi (Bush, 1897)
  • Circulus stirophorus M. Smith, 1937: synonym of Cyclostremiscus beauii (P. Fischer, 1857)
    • Circulus taigai Hertlein & A. M. Strong, 1951 accepted as Cyclostremiscus taigai (Hertlein & A. M. Strong, 1951)
  • Circulus tornata [sic]: synonym of Circulus tornatus (A. Adams, 1864)
  • Circulus tornatus (A. Adams, 1864): synonym of Tuberes tornatus (A. Adams, 1864) (unaccepted superseded combination)
  • Circulus translucens (Dall, 1927): synonym of Xyloskenea translucens (Dall, 1927)
  • Circulus tricarinatus (Wood S., 1848): synonym of accepted as Circulus striatus (Philippi, 1836)

References

  • Kuroda T. & Habe T. 1952. Check list and bibliography of the Recent marine Mollusca of Japan. Leo W. Stach, Tokyo. 210 pp
  • Habe, T. (1961). Descriptions of fifteen new species of Japanese shells. Venus. 21(4): 416–431.
  • Oliver, J. & Rolan, E., 2011. The family Tornidae (Gsatropoda: Rissooidea) in the East Atlantic, 2. Circulinae. Iberus 29(1): 9–33
  • Rubio, F. & Rolán, E. (2022). New species of Vitrinellidae (Gastropoda: Truncatelloidea) from the Indo-Pacific. The genus Circulus Jeffreys, 1865. Museo de Historia Natural, Universidad Santiago de Compostela. 422 pp.
  • Rubio F & Rolán E. , 2023. Circulus pacomartinezi nomen novum for Circulus philippinensis Rubio & Rolán, 2022, pag. 359. Iberus 41(1): 151–152

References

  1. [http://clade.ansp.org/obis/search.php/77221 OBIS : Circulus]
  2. MolluscaBase eds. (2020). MolluscaBase. Circulus Jeffreys, 1865. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=137626 on 15 August 2020
  3. [http://www.marinespecies.org/aphia.php?p=taxdetails&id=137626 WoRMS : Circulus]; accessed : 11 July 2011

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