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Rouse, Greg W.; Carvajal, Jose Ignacio; Pleijel, Fredrik. (2018). Phylogeny of Hesionidae (Aciculata, Annelida), with four new species from deep-sea eastern Pacific methane seeps, and resolution of the affinity of Hesiolyra. Invertebrate Systematics. 32(5): 1050-1068.
332615
10.1071/is17092 [view]
urn:lsid:zoobank.org:pub:9C0E88EE-34F8-4F25-9EC8-91797618AC86 [view]
Rouse, Greg W.; Carvajal, Jose Ignacio; Pleijel, Fredrik
2018
Phylogeny of Hesionidae (Aciculata, Annelida), with four new species from deep-sea eastern Pacific methane seeps, and resolution of the affinity of <i>Hesiolyra</i>
Invertebrate Systematics
32(5): 1050-1068
Publication
World Polychaeta Database (WPolyDb)
Available for editors  PDF available
Hesionidae Grube, 1850 currently comprises over 175 species in 28 genera, placed in several subfamilies. Discoveries in recent years have largely been of deep-sea taxa. Here we describe a further four new hesionid species, mainly from methane 'cold' seeps at around 1000–1800 m depths off the Pacific coast of Costa Rica and new record of another species. Several of these taxa also occur at methane seeps in the Guaymas Basis (Mexico) and off the USA west coast (California and Oregon). The phylogenetic relationships within Hesionidae are reassessed via maximum parsimony and maximum likelihood analyses of DNA sequences from nuclear (18S rRNA and 28SrRNA) and mitochondrial (16SrRNA and Cytochrome c oxidase I) loci for the new samples. On the basis of these results, we refer one of the new species to Gyptis Marion & Bobretzky in Marion, 1874, one to Neogyptis Pleijel, Rouse, Sundkvist & Nygren, 2012, and two to Sirsoe Pleijel, 1998. The new species [are] Gyptis robertscrippsi n. sp., Neogyptis jeffruoccoi n. sp., Sirsoe dalailamai n. sp. and Sirsoe munki n. sp. We refer to a collection of individuals from seeps ranging from Oregon to Costa Rica as Amphiduropsis cf. axialensis (Blake & Hilbig, 1990), even though this species was described from hydrothermal vents off Oregon. Neogyptis jeffruoccoi n. sp. was generally found living inside the solemyid clam Acharax johnsoni (Dall, 1891). The position of Hesiolyra bergi Blake, 1985 is resolved on the basis of newly-collected specimens from near the type locality and, as a result, Hesiolyrinae Pleijel, 1998 is synonymized with Gyptini Pleijel, 1998 (and Gyptinae Pleijel, 1998).
East Pacific
Abyssal, Deep-Sea
Hydrothermal vents, Cold seeps
Molecular systematics, Molecular biology
Systematics, Taxonomy
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
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by
2018-10-09 21:20:26Z
created
2020-02-03 00:16:34Z
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Hesionidae Grube, 1850 (additional source)
 Biology

Commensal in the mantle cavity of the clam Acharax johnsoni (Dall, 1891), also generally alongside the ... [details]

 Editor's comment

Rouse et al. (2018) in captions to their figures 9,10 & 11 refer to certain specimens they identified as ... [details]

 Etymology

authors: "in memory of Robert P. Scripps". Robert P. Scripps (1918-2012) (Obituary) was the the last surviving ... [details]

 Etymology

authors: "named in memory of Jeff Ruocco" [details]

 Etymology

authors: "...named in honour of His Holiness the 14th Dalai Lama (Tenzin Gyatso)". Arranged during the 2015 visit ... [details]

 Etymology

authors: "named in honour of SIO Research Professor of Geophysics, Emeritus, Walter Munk." [details]

 Spelling

The species-group name is robertscrippsi, with 17 instances in the text. There is one misspelling as ... [details]

 Synonymy

Rouse et al (2018) state: "The consistent placement of Hesiolyra as sister group to Gyptis allows for the argument ... [details]

 Type locality

off Pacific-Ocean Costa Rica, 8.93 -84.3135 (08 55.8 N, 84 18.81 W), Alvin dive, depth 1008 m [details]

 Type locality

Alvin Dive 4511, off Pacific Ocean Costa Rica, 8.9305, -84.3123 (08 55.83 N, 84 18.74 W), depth 1001 m [details]

 Type locality

Alvin Dive 4590, off Pacific Ocean Costa Rica, 9.1175, -84.8395 (09 07.05 N, 84 50.37 W), depth 1800 m) [details]

 Type locality

Alvin Dive 4509, off Pacific Ocean coast of Costa Rica, 9.12 N, 84.84 W, depth 1866 m [details]

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