Biology:Trinchesia perca

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Short description: Species of gastropod

Trinchesia perca
Trinchesia perca from Lake Merritt, Oakland, California
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Cladobranchia
Superfamily: Fionoidea
Family: Trinchesiidae
Genus: Trinchesia
Species:
T. perca
Binomial name
Trinchesia perca
(Er. Marcus, 1958)
Synonyms
  • Catriona perca Marcus Er., 1958
  • (Er. Marcus, 1958) Cuthona perca

Trinchesia perca, common name Lake Merritt cuthona, is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusk in the family Trinchesiidae.[1][2] Its placement somewhat controversed, some institutions place it in genus Cuthona under family Cuthonidae.[3]

References

  1. Korshunova T.; Fletcher K.; Martynov A. (2025). The endless forms are the most differentiated—how taxonomic pseudo-optimization masked natural diversity and evolution: the nudibranch case Zoological Journal of the Linnean Society, Volume 204, Issue 4, August 2025, zlaf057,
  2. Marcus, Er. (1958). "On western Atlantic opisthobranchiate gastropods". American Museum Novitates (1906): 1–82. 
  3. MolluscaBase eds. (2026). MolluscaBase. Cuthona perca (Er. Marcus, 1958). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=141630 on 2026-03-05

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