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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 [request]
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
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2018-09-14 02:56:17Z
created
Read, Geoffrey

Eunice (Marphysa) stragulum Grube, 1878 accepted as Paucibranchia stragulum (Grube, 1878) (new combination reference)
Eunice bellii Audouin & Milne Edwards, 1833 accepted as Paucibranchia bellii (Audouin & Milne Edwards, 1833) (new combination reference)
Eunice stragulum Grube, 1878 accepted as Paucibranchia stragulum (Grube, 1878) (new combination reference)
Marphysa Quatrefages, 1866 (taxonomy source)
Marphysa adenensis Gravier, 1900 accepted as Paucibranchia adenensis (Gravier, 1900) (new combination reference)
Marphysa bellii oculata Treadwell, 1921 accepted as Paucibranchia oculata (Treadwell, 1921) (new combination reference)
Marphysa cinari Kurt-Sahin, 2014 accepted as Paucibranchia cinari (Kurt-Sahin, 2014) (new combination reference)
Marphysa conferta Moore, 1911 accepted as Paucibranchia conferta (Moore, 1911) (new combination reference)
Marphysa disjuncta Hartman, 1961 accepted as Paucibranchia disjuncta (Hartman, 1961) (new combination reference)
Marphysa fallax Marion & Bobretzky, 1875 accepted as Paucibranchia fallax (Marion & Bobretzky, 1875) (new combination reference)
Marphysa gemmata Mohammad, 1973 accepted as Paucibranchia gemmata (Mohammad, 1973) (new combination reference)
Marphysa kinbergi McIntosh, 1910 accepted as Paucibranchia kinbergi (McIntosh, 1910) (new combination reference)
Marphysa purcellana Willey, 1904 accepted as Paucibranchia purcellana (Willey, 1904) (new combination reference)
Marphysa sinensis Monro, 1934 accepted as Paucibranchia sinensis (Monro, 1934) (new combination reference)
Paucibranchia Molina-Acevedo, 2018 (original description)
Paucibranchia andresi Molina-Acevedo, 2018 (original description)
Paucibranchia bellii (Audouin & Milne Edwards, 1833) (redescription)
Paucibranchia carrerai Molina-Acevedo, 2018 (original description)
Paucibranchia gathofi Molina-Acevedo, 2018 (original description)
Paucibranchia gilberti Molina-Acevedo, 2018 (original description)
Paucibranchia miroi Molina-Acevedo, 2018 (original description)
Paucibranchia patriciae Molina-Acevedo, 2018 (original description)
Paucibranchia stragula [misspelling for 'stragulum'] accepted as Paucibranchia stragulum (Grube, 1878) (basis of record)
Holotype LACM LACM-AHF POLY 6924, geounit Bay of Nha Trang, identified as Paucibranchia carrerai Molina-Acevedo, 2018
Holotype USNM 1233966, geounit Panama Bay, identified as Paucibranchia miroi Molina-Acevedo, 2018
Holotype USNM 28955, geounit Woods Hole, identified as Paucibranchia andresi Molina-Acevedo, 2018
Holotype USNM 90018, geounit Louisiana, identified as Paucibranchia gilberti Molina-Acevedo, 2018
Holotype USNM 90025, geounit Gulf of Mexico, identified as Paucibranchia gathofi Molina-Acevedo, 2018
Holotype USNM 90030, geounit Texas, identified as Paucibranchia patriciae Molina-Acevedo, 2018
 Etymology
 for Eunice stragulum Grube, 1878

The word "stragulum" is in standard dictionary sources Lewis & Short (1891) and in Brown (1954) as a noun meaning ... [details]
 Etymology
 for Paucibranchia Molina-Acevedo, 2018

author: "Pauci- (Latin) that means few or small number of, and the word branchia. These combined names refer to the ... [details]
 Etymology
 for Paucibranchia andresi Molina-Acevedo, 2018

named after Andrés Molina Acevedo, the brother of the author [details]
 Etymology
 for Paucibranchia carrerai Molina-Acevedo, 2018

Named after Dr. Luis Fernando Carrera-Parra [details]
 Etymology
 for Paucibranchia gathofi Molina-Acevedo, 2018

Named after Dr. Jerry M. Gathof [details]
 Etymology
 for Paucibranchia gilberti Molina-Acevedo, 2018

named after Dr. Gilbert Rowe who lent material from the deep water collection of Texas A&M University. [details]
 Etymology
 for Paucibranchia miroi Molina-Acevedo, 2018

named for the nickname of Argemiro (Miro) Molina Tobón, the father of the author [details]
 Etymology
 for Paucibranchia patriciae Molina-Acevedo, 2018

Named after María Patricia Acevedo Tabares, the mother of the author [details]
 Nomenclature
 for Eunice (Marphysa) stragulum Grube, 1878

Grube (1878: v) in the same work as the species description, in a species list by collection site, used the variant ... [details]
 Spelling
 for Paucibranchia stragula [misspelling for 'stragulum']

Molina-Acevedo (2018: changed stragulum to stragula for adjectival gender agreement, but as the word was more ... [details]
 Spelling
 for Paucibranchia stragulum (Grube, 1878)

See Eunice stragulum entry for etymology and correct spelling, but correction to 'stragula' is inappropriate ... [details]
 Type locality
 for Paucibranchia andresi Molina-Acevedo, 2018

Woods Hole region, Massachusetts, geolocation not stated, estimated 41.524 -70.674, probably intertidal [details]
 Type locality
 for Paucibranchia carrerai Molina-Acevedo, 2018

South of eastern end of Hòn Tằm, Bay of Nha Trang, South China Sea, South Vietnam, 12.1619, 109.2361 ... [details]
 Type locality
 for Paucibranchia gathofi Molina-Acevedo, 2018

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
 for Paucibranchia gilberti Molina-Acevedo, 2018

South of New Orleans, West Delta Lease Area, Louisiana, USA, Gulf of Mexico, 28.7344, -89.7353 (28°44'04'' N ... [details]
 Type locality
 for Paucibranchia miroi Molina-Acevedo, 2018

off centre of Panama, Caribbean Sea, 9.1333, -80.9333 (09°08' N 80°56' W), 878- 962m. [details]
 Type locality
 for Paucibranchia patriciae Molina-Acevedo, 2018

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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