Cylichnoides
| Cylichnoides | |
|---|---|
 | |
| Shell of Cylichnoides densistriatus (syntype at Swedish Museum of Natural History) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Cephalaspidea |
| Family: | Eoscaphandridae |
| Genus: | Cylichnoides Minichev, 1977 |
| Type species | |
| † Bulla occulta Mighels & C. B. Adams, 1842 | |
| Species | |
|
See text | |
| Synonyms | |
|
Cylichna (Cylichnoides) Minichev, 1977 (original rank) | |
Cylichnoides is a genus of headshield slugs that belongs to the family Eosdaphandridae.[1][2]
Members of this genus are widely distributed across boreal and arctic waters being found in Alaska, Canada, Greenland, Iceland, northern Europe and Russia.[2]
Taxonomy
This genus currently contains five described species. This genus traditionally contained the four species however specimens collected from the Kara Sea show that they form a monophyletic group. This group was described in 2026 as Cylichnoides karaensis.[3]
Species belonging to this genus are listed below:[1][2]
- Cylichnoides densistriatus (Leche, 1878)
- Cylichnoides karaensis E. Chaban, D. Schepetov, M. Stanovova, N. Zhuravliova, A. Mirolyubov, I. Ekimova, 2026
- Cylichnoides occultus (Mighels & C. B. Adams, 1842)
- Cylichnoides scalptus (Reeve, 1855)
- Cylichnoides validus (Leche, 1878)
References
- 1 2 "WoRMS - World Register of Marine Species - Cylichnoides Minichev, 1977". www.marinespecies.org. Retrieved 2026-05-19.
- 1 2 3 "Cylichnoides Minichev, 1977". www.gbif.org. Retrieved 2026-05-19.
- ↑ Elena Chaban, Dimitry Schepetov, Maria Stanovova, Natalia Zhuravliova, Alexei Mirolyubov, Irina Ekimova, Integrative analysis of gastropod molluscs of the genus Cylichnoides (Heterobranchia: Cephalaspidea: Eoscaphandridae) in boreal and Arctic seas, Zoological Journal of the Linnean Society, Volume 207, Issue 1, May 2026, zlag051, https://doi.org/10.1093/zoolinnean/zlag051
- Minichev, Yu. S. (1977). On the morphology and systematic of Cylichna (Gastropoda Opisthobranchia) from the region of Franz Joseph Land. In: A.N. Golikov, ed., Biocenoses of the shelf of Franz Joseph Land and the fauna of adjacent waters. [in Russian: Миничев Ю.С. 1977. К морфологии и систематике рода Cylichna (Gastropoda, Opisthobranchia) из районов Земли Франца-Иосифа. В: А.Н. Голиков, ред. Биоцено-щы шельфа Земли Франца Иосифа и фауна при-лежащих вод. Исследования фауны морей, 14(22): 428-434]. Issledovaniya Fauny Morei. 14(22): 428-434.
External links
- Chaban, E.M. (2016). "Opisthobranch molluscs of «Cylichna occulta group» (Gastropoda: Opisthobranchia: Cylichnidae) from the Chukchi Sea and adjacent waters". The Bulletin of the Russian Far East Malacological Society. 20 (1).
- Siegwald, J., Oskars, T. R., Kano, Y. & Malaquias, M. A. E. (2022). "A global phylogeny of the deep-sea gastropod family Scaphandridae (Heterobranchia: Cephalaspidea): Redefinition and generic classification". Molecular Phylogenetics and Evolution. 169 (107415.).
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