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Molina-Acevedo, Isabel C. (2018). Morphological revision of the Subgroup 1 Fauchald, 1970 of Marphysa de Quatrefages, 1865 (Eunicidae: Polychaeta). Zootaxa. 4480(1): 1-125.
307043
10.11646/zootaxa.4480.1.1 [view]
Molina-Acevedo, Isabel C.
2018
Morphological revision of the Subgroup 1 Fauchald, 1970 of Marphysa de Quatrefages, 1865 (Eunicidae: Polychaeta)
Zootaxa
4480(1): 1-125
Publication
World Polychaeta Database (WPolyDb). closed access at Zootaxa
Available for editors  PDF available
Fifteen species of Marphysa classified in the Subgroup 1 Fauchald (1970) were reviewed and evaluated in a morphological analysis of the subgroup. It was found that 13 of these have a characteristic morphological pattern distinct from that of Marphysa sensu stricto ; as a consequence, a new genus is proposed, Paucibranchia n. gen. This new genus includes the species that have branchiae restricted to a few chaetigers in the anterior region, maxillae I with a rounded falcal arch and outer edge with a straight base plus a curvature in the basal inner edge, dorsal cirri longer in the branchial region and in media-posterior region as long or longer than pre-branchial chaetigers, and the postchaetal lobe in the branchial region well developed, elongated. Paucibranchia n. gen. includes six new species ( P. andresi n. sp. , P. carrerai n. sp., P. gathofi n. sp. , P. gilberti n. sp. , P. miroi n. sp. and P. patriciae n. sp.), two species not formally named, and other 13 species previously included in Marphysa ( P. adenensis (Gravier, 1900) n. comb., P. bellii (Audouin & Milne-Edwards, 1833) n. comb., P. cinari (Kurt-Sahin, 2014) n. comb., P. conferta (Moore, 1911) n. comb., P. disjuncta (Hartman, 1961) n. comb., P. fallax (Marion & Bobretzky, 1875) n. comb., P. gemmata (Mohammad, 1973) n. comb., P. kinbergi (McIntosh, 1910) n. comb., P. oculata (Treadwell, 1921) n. comb., P. purcellana (Willey, 1904) n. comb., P. sinensis (Monro, 1934) n. comb., P. stragula (Grube, 1878) n. comb., P. totospinata (Lu & Fauchald, 1998) n. comb.). One species previously classified in the subgroup, Marphysa striata (Kinberg, 1865), was considered indeterminate. Finally, some statistical analyses on size dependent features and an identification key for species of the new genus were included.  author email: isacrismoliace@gmail.com
Systematics, Taxonomy
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2018-09-14 02:56:17Z
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 Etymology

The word "stragulum" is in standard dictionary sources Lewis & Short (1891) and in Brown (1954) as a noun meaning ... [details]

 Etymology

author: "Pauci- (Latin) that means few or small number of, and the word branchia. These combined names refer to the ... [details]

 Etymology

named after Andrés Molina Acevedo, the brother of the author [details]

 Etymology

Named after Dr. Luis Fernando Carrera-Parra [details]

 Etymology

Named after Dr. Jerry M. Gathof [details]

 Etymology

named after Dr. Gilbert Rowe who lent material from the deep water collection of Texas A&M University. [details]

 Etymology

named for the nickname of Argemiro (Miro) Molina Tobón, the father of the author [details]

 Etymology

Named after María Patricia Acevedo Tabares, the mother of the author [details]

 Nomenclature

Grube (1878: v) in the same work as the species description, in a species list by collection site, used the variant ... [details]

 Spelling

Molina-Acevedo (2018: changed stragulum to stragula for adjectival gender agreement, but as the word was more ... [details]

 Spelling

See Eunice stragulum entry for etymology and correct spelling, but correction to 'stragula' is inappropriate ... [details]

 Type locality

Woods Hole region, Massachusetts, geolocation not stated, estimated 41.524 -70.674, probably intertidal [details]

 Type locality

South of eastern end of Hòn Tằm, Bay of Nha Trang, South China Sea, South Vietnam, 12.1619, 109.2361 ... [details]

 Type locality

off Florida, North of Dry Tortugas, Gulf of Mexico, 25.2864, -83.0344 (25°17'11'' N 083°02'04'' W), 53m [details]

 Type locality

South of New Orleans, West Delta Lease Area, Louisiana, USA, Gulf of Mexico, 28.7344, -89.7353 (28°44'04'' N ... [details]

 Type locality

off centre of Panama, Caribbean Sea, 9.1333, -80.9333 (09°08' N 80°56' W), 878- 962m. [details]

 Type locality

Hospital Rock, off Corpus Christi, Texas, Gulf of Mexico, 27.5347, -96.4719 (27°32'05''N 096°28'19''W), 75 m [details]

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