Article · Wikipedia archive · Last revised Jul 10, 2026

Onchidium

Onchidium is a genus of air-breathing sea slugs, shell-less marine pulmonate gastropod mollusks in the family Onchidiidae.

Last revised
Jul 10, 2026
Read time
≈ 2 min
Length
452 w
Citations
9
Source
Onchidium
Live animals of Onchidium melakense
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Systellommatophora
Family: Onchidiidae
Genus: Onchidium
Buchannan, 18001
Type species
Onchidium typhae Buchannan, 1800
Synonyms
  • Elophilus Labbé, 1935 (invalid: junior homonym of Elophilus Meigen, 1803 [Diptera]; Labbella is a replacement name)
  • Labbella Starobogatov, 1970
  • Oncidium (incorrect subsequent spelling by Agassiz (1846))

Onchidium is a genus of air-breathing sea slugs, shell-less marine pulmonate gastropod mollusks in the family Onchidiidae.

Species

Some authors recognize only four species in the genus.23 The World Register of Marine Species lists six species as accepted.4

Onchidium multinotatum, originally described within the genus in 1883, is regarded as a nomen dubium.5

References

References

  1. Buchannan, F. 1800: An account of the Onchidium, a new genus of the class of Vermes, found in Bengal. Transactions of the Linnean Society, 5: 132-134, tab. V. BHL
  2. Dayrat, Benoît; Goulding, Tricia C.; Khalil, Munawar; Apte, Deepak; Tan, Shau Hwai (27 November 2019). "A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia". ZooKeys (892): 27–58. doi:10.3897/zookeys.892.39524. ISSN 1313-2970. PMC 6892962. PMID 31824202.
  3. Dayrat, Benoît; Goulding, Tricia C.; Apte, Deepak; Bhave, Vishal; Comendador, Joseph; Quang, Ngô Xuân; Tan, Siong Kiat; Tan, Shau Hwai (24 November 2016). "Integrative taxonomy of the genus Onchidium Buchannan, 1800 (Mollusca, Gastropoda, Pulmonata, Onchidiidae)". ZooKeys (636): 1–40. doi:10.3897/zookeys.636.8879. ISSN 1313-2970. PMC 5126514. PMID 27917062.
  4. "Onchidium". WoRMS. World Register of Marine Species. Retrieved 30 August 2024.
  5. Dayrat, Benoît; Goulding, Tricia C.; Khalil, Munawar; Apte, Deepak; Tan, Shau Hwai (27 November 2019). "A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia". ZooKeys (892): 27–58. doi:10.3897/zookeys.892.39524. ISSN 1313-2970. PMC 6892962. PMID 31824202.
  • Starobogatov, Y. I. (1970). Fauna Molliuskov i Zoogeograficheskoe Raionirovanie Kontinental'nykh Vodoemov Zemnogo Shara [The Molluscan Fauna and Zoogeographical Zoning of the Continental Water Bodies of the World]. Nauka. Leningrad. 372 p., 12 tables
  • Labbé A. (1935). Sur une forme nouvelle de Silicoderme, Elophilus ajuthiae nov. gen. nov. sp. Bulletin de la Société Zoologique de France. 60: 312-317
External links

SEM images of the radula can be found at Thompson, T.E.; Bebbington, A. (1973). "Scanning electron microscope studies of gastropod radulae". Malacologia. 14: 147–165.