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The Atlantic-Mediterranean genus Berghia Trinchese, 1877 (Nudibranchia: Aeolidiidae): taxonomic review and phylogenetic analysis
Carmona, L.; Pola, M.; Gosliner, T.M.; Cervera, J.L. (2014). The Atlantic-Mediterranean genus Berghia Trinchese, 1877 (Nudibranchia: Aeolidiidae): taxonomic review and phylogenetic analysis. J. Moll. Stud. 80: 482-498. http://dx.doi.org/10.1093/mollus/eyu031
In: Journal of Molluscan Studies. Oxford University Press: Reading. ISSN 0260-1230; e-ISSN 1464-3766, more
Peer reviewed article  
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Keywords
    Aeolidiidae Gray, 1827 [WoRMS]; Berghia Trinchese, 1877 [WoRMS]; Berghia coerulescens (Laurillard, 1832) [WoRMS]; Berghia columbina (García-Gómez & T. E. Thompson, 1990) [WoRMS]; Berghia creutzbergi Er. Marcus & Ev. Marcus, 1970 [WoRMS]; Berghia marcusi Dominguez, Troncoso & F. J. García, 2008 [WoRMS]; Berghia marinae Carmona, Pola, Gosliner & Cervera, 2014 [WoRMS]; Berghia norvegica Odhner, 1939 [WoRMS]; Berghia rissodominguezi Muniain & Ortea, 1999 [WoRMS]; Berghia stephanieae (Á. Valdés, 2005) [WoRMS]; Berghia verrucicornis (A. Costa, 1867) [WoRMS]; Spurilla Bergh, 1864 [WoRMS]
    Marine/Coastal
Authors  Top 
  • Carmona, L.
  • Pola, M.
  • Gosliner, T.M.
  • Cervera, J.L.
Abstract
    The aeolid genus Berghia was described by Trinchese in 1877, with Berghia coerulescens (Laurillard, 1832) as type species. The validity of Berghia has been questioned by some authors, who have considered it a junior synonym of Spurilla Bergh, 1864. The lack of consensus has caused confusion, blurring the differences between these two genera. A recent molecular phylogeny of Aeolidiidae supported the monophyly of Berghia and helped to resolve the controversy about its relationship with Spurilla. Here, specimens of Berghia from the eastern and western Atlantic were examined from molecular and morphological points of view. Berghia was found to be monophyletic, although its relationship with other aeolidiids was not resolved. The morphological studies corroborate our molecular findings and differences in external coloration can distinguish closely related species. So far, Berghia comprises 10 species: B. coerulescens, B. verrucicornis, B. norvegica, B. benteva, B. creutzbergi, B. columbina, B. rissodominguezi, B. stephanieae, B. marcusi and a new species from Senegal, B. marinae.
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