Tyrinna evelinae

Tyrinna evelinae
	Dorsal view of Tyrinna evelinae
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Heterobranchia; clade Euthyneura; clade Nudipleura; clade Nudibranchia
Superfamily:	Doridoidea
Family:	Chromodorididae
Genus:	Tyrinna
Species:	T. evelinae
Binomial name
	Tyrinna evelinae; (Er. Marcus, 1958)
Synonyms
	Cadlina evelinae Er. Marcus, 1958

Tyrinna evelinae is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.[1]

Taxonomy

Goodheart et al. (2016)[2] list Cadlina burnayi Ortea, 1988 as a synonym of Tyrinna evelinae, but WoRMS (2016) list it as a separate species.[3]

Distribution

Distribution of Tyrinna evelinae includes Eastern Atlantic, Eastern Pacific, and Western Atlantic: Costa Rica, Venezuela, Jamaica, Puerto Rico, Dominican Republic, Brazil and Panama.[2]

Description

Body is oval to elongate.[2] Background color is usually translucent white with a number of orange spots.[2] Mantle margin is edged by an opaque white line and white mantle glands with orange tips.[2] Rhinophores and branchial leaves are translucent white with opaque white tips.[2] It is up to 30 mm long.[2] Caribbean populations are morphologically indistinguishable from Eastern Pacific and Eastern Atlantic populations.[2]

Ecology

It is found under rocks and on various sponges.[2] Minimum recorded depth is 0 m.[4] Maximum recorded depth is 5 m.[4]

Tyrinna evelinae in Brazil feeds primarily on dysideid sponges Dysidea etheria, but also upon an unidentified chalinid species (family Chalinidae) of the order Haplosclerida.[5][2] This species has planktotrophic development.[2]

References

This article incorporates Creative Commons (CC-BY-4.0) text from the reference[2]

Schrödl M. & Millen S. V. (2001). "Revision of the nudibranch gastropod genus Tyrinna Bergh, 1898 (Doridoidea: Chromodorididae)". Journal of Natural History 35(8): 1143-1171.
Goodheart J. A., Ellingson R. A., Vital X. G., Galvão Filho H. C., McCarthy J. B., Medrano S. M., Bhave V. J., García-Méndez K., Jiménez L. M., López G. & Hoover C. A. (2016). "Identification guide to the heterobranch sea slugs (Mollusca: Gastropoda) from Bocas del Toro, Panama". Marine Biodiversity Records 9(1): 56. doi:10.1186/s41200-016-0048-z
Bouchet, P. (2015). Tyrinna evelinae. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=224346 on 2016-10-23
Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
Belmonte T., Alvim J., Padula V. & Muricy G. (2015). "Spongivory by nudibranchs on the coast of Rio de Janeiro state, southeastern Brazil". Spixiana 38: 187–195. PDF.

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[WoRMS-1] Schrödl M. & Millen S. V. (2001). "Revision of the nudibranch gastropod genus Tyrinna Bergh, 1898 (Doridoidea: Chromodorididae)". Journal of Natural History 35(8): 1143-1171.

[Goodheart_2016-2] Goodheart J. A., Ellingson R. A., Vital X. G., Galvão Filho H. C., McCarthy J. B., Medrano S. M., Bhave V. J., García-Méndez K., Jiménez L. M., López G. & Hoover C. A. (2016). "Identification guide to the heterobranch sea slugs (Mollusca: Gastropoda) from Bocas del Toro, Panama". Marine Biodiversity Records 9(1): 56. doi:10.1186/s41200-016-0048-z

[3] Bouchet, P. (2015). Tyrinna evelinae. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=224346 on 2016-10-23

[Welch_2010-4] Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.

[5] Belmonte T., Alvim J., Padula V. & Muricy G. (2015). "Spongivory by nudibranchs on the coast of Rio de Janeiro state, southeastern Brazil". Spixiana 38: 187–195. PDF.