Eusyllis assimilis Marenzeller 1875

• Main Authors: Brusa, Vivian S., Aguado, M. Teresa, Martín, Guillermo San, Rouse, Greg
• Format: Text
• Language: unknown
• Published: Zenodo 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Phyllodocida; Syllidae; Eusyllis; Eusyllis assimilis; Arctic; Pacific; New Zealand; San Martín; Chevalier; Ramos; McIntosh; Malmgren; Rouse; Brusa; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.6145799; https://zenodo.org/record/6145799

Eusyllis assimilis Marenzeller, 1875 Eusyllis assimilis Marenzeller, 1875: 158, pl. 3, Fig. 2.— Fauvel (1923): 294, Figs. 112 a–g.— San Martín (2003): 114, Figs. 52, 53.— San Martín & Hutchings (2006): 273, Figs. 10 A–J, 11 A–F, 12 A –C. Eudontosyllis aciculata Knox, 1960: 105, Figs. 113–117. Eusyllis japonica Imajima & Hartman, 1964: 111,112, Figs. 25 a–g. Eusyllis irregulata Imajima, 1966: 91, Figs. 28 a–i. Material examined. Eusyllis assimilis : (MNCNM 16.01/ 3727, 4367, 7297, 8637 a 8673); Eusyllis japonica : Paratype (NMNST 82). Distribution. Eastern Atlantic Ocean (English Channel to South Africa), Western Atlantic Ocean (México), Mediterranean Sea, North Pacific Ocean (Japan, Australia, New Zealand). Habitat. Calcareous algae, photophilic and sciafilic algae; Posidonia oceanica meadows; coralligenous concretions; inside sponges; in red coral and Dendrophyllia ramea . Remarks. Apparently cosmopolitan. Some Mediterranean and Pacific specimens have a complete denticled pharyngeal arc. Eusyllis blomstrandi Malmgren, 1867 Eusyllis blomstrandi Malmgren, 1867: 40. Eusyllis monilicornis Malmgren, 1867: 41, Figs. 44, 44 c, 44 d. (?) Syllis tubifex Gosse, 1855: 216: 31–35.— Eusyllis tubifex Mc Intosh (1908): 173–176, LIX Figs. 11 y 13; LXX Fig. 9; LXXIX Fig. 1.— Hartman (1959): 205. Eusyllis phosphorea Verrill, 1874: 20, 39, pl. 7, Fig. 2. Material examined. Eusyllis blomstrandi : Type (SMNH 2346); (MNCNM 16.01/ 11218 and 11219); Eusyllis monilicornis : (SMNH 2435); Eusyllis phosphorea : (YPMNH 48975, 48976); Eusyllis tubifex : (NHML 85.12. 1.141 and 1921.5.1.1117– 1126). Distribution. Arctic, Pacific (Japan) and North Atlantic Oceans, Mediterranean Sea, Adriatic Sea and Red Sea. Habitat. Photophilic algae; Posidonia oceanica rhizomes; detritic sand and gravel; inside sponges and coralligenous concretions. Remarks. Originally described as Syllis tubifex by Gosse (1855), it was transferred by McIntosh (1908) to Eusyllis . However, the McIntosh’s specimens were morphologically identical to E. blomstrandi Malmgren, 1867. Accordingly S. tubifex is older than E. blomstrandi , which would become the senior synonym. However, it is not possible to assess this fully, as Gosse’s description is quite incomplete and the material is lost. So we retain E. blomstrandi as a valid name, and S. tubifex as a possible synonymy, according to the principle of stability (International Commission on Zoological Nomenclature, 1999). : Published as part of Brusa, Vivian S., Aguado, M. Teresa, Martín, Guillermo San & Rouse, Greg, 2013, Revision of the genus Eusyllis Malmgren, 1867 (Annelida: Phyllodocida: Syllidae: Eusyllinae), with the description of a new species from the eastern Pacific Ocean, pp. 37-50 in Zootaxa 3599 (1) on pages 41-42, DOI: 10.5281/zenodo.218845 : {"references": ["Marenzeller, E. 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