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Blake, James A. (2017). Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America. Zootaxa. 4218(1): 1-145 [monograph].
260012
10.11646/zootaxa.4218.1.1 [view]
urn:lsid:zoobank.org:pub:9345C596-8656-4B5C-AD8C-2FACF4E9240C [view]
Blake, James A.
2017
Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America
Zootaxa
4218(1): 1-145 [monograph]
Publication
World Polychaeta Database (WPolyDb)
Available for editors  PDF available
The orbiniid polychaetes chiefly from Antarctic and subantarctic seas and off South America are described based on collections of the National Museum of Natural History and new material from surveys conducted by the United States Antarctic Program and other federal and privately funded sources as well as participation in international programs. A total of 44 species of Orbiniidae distributed in 10 genera are reported from the Pacific Ocean and waters off South America and Antarctica. Twenty-one species are new to science; one species is renamed. Berkeleyia heroae n. sp., B. abyssala n. sp., B. weddellia n. sp.; B. hadala n. sp., Leitoscoloplos simplex n. sp., L. plataensis n. sp., L. nasus n. sp., L. eltaninae n. sp., L. phyllobranchus n. sp., L. rankini n. sp., Scoloplos bathytatus n. sp., S. suroestense n. sp., Leodamas hyphalos n. sp., L. maciolekae n. sp., L. perissobranchiatus n. sp., Califia bilamellata n. sp., Orbinia orensanzi n. sp., Naineris antarctica n. sp., N. argentiniensis n. sp., Orbiniella spinosa n. sp., and O. landrumae n. sp. are new to science. A new name, Naineris furcillata, replaces N. chilensis Carrasco, 1977, a junior homonym of N. dendtritica chilensis Hartmann-Schröder, 1965, which is raised to full species status. Leodamas cochleatus (Ehlers, 1900) is removed from synonymy and redescribed. A neotype is established for Leodamas verax Kinberg, 1966, the type species. A general overview of Leodamas species is provided. The Leitoscoloplos kerguelensis (McIntosh, 1885) complex is reviewed and partially revised. Definitions of the genera of the Orbiniidae are updated to conform to recently described taxa. Several new synonymies are proposed following a reexamination of previously described type specimens. The morphological characters used to identify and classify orbiniids are reviewed. The biogeographic and bathymetric distributions of the South American and Southern Ocean orbiniid fauna are reviewed.
Author email: jablake9@gmail.com
Antarctic
Pacific Ocean
Systematics, Taxonomy
RIS (EndNote, Reference Manager, ProCite, RefWorks)
BibTex (BibDesk, LaTeX)
Date
action
by
2017-01-11 21:25:40Z
created
2023-04-15 08:24:36Z
changed

Haploscoloplos Monro, 1933 accepted as Leodamas Kinberg, 1866 (source of synonymy)
Leitoscoloplos acutus (Verrill, 1873) (new combination reference)
Leodamas Kinberg, 1866 (taxonomy source)
Orbiniidae Hartman, 1942 (identification resource)
Scoloplos Blainville, 1828 (taxonomy source)
 Classification

Transferred by inference to Orbiniella by Parapar et al (2015) as they appear to formally synonymize the monotypic ... [details]

 Classification

Blake (2000, 2017) included Protoaricia in Orbiniinae. Therefore Protoarciinae is a synonym of Orbiniinae, although ... [details]

 Classification

Blake (2017:94) discusses the validity of Protoariciella. He stated "Given the small size of the various species of ... [details]

 Diagnosis

According to Blake (2017) Leodamas of Blake Group A (including type species L. verax) have large, conspicuous ... [details]

 Editor's comment

Includes former Questidae. Past Orbiniidae subfamilies, other than the de facto nominal subfamily Orbiniinae, ... [details]

 Etymology

author: "derived from abyssus, Latin for deep sea" [details]

 Etymology

author: "named for its occurrence in abyssal to ultra-abyssal depths in the Peru-Chile Trench; trench faunas are ... [details]

 Etymology

author: "named for the R/V Hero, former research vessel of the National Science Foundation" [details]

 Etymology

After Weddell Sea, Antarctica, where collected. [details]

 Etymology

Author: "bilamellata, is Latin (bi for two; lamella for plate) and refers to the double neuropodial lamellae of the ... [details]

 Etymology

author: "named for the USNS Eltanin, former research vessel of the United States Antarctic Research Program." [details]

 Etymology

author: "derived from the Latin nasus (m), for nose, to denote the usually elongate and narrow ... [details]

 Etymology

author: "phyllobranchus, is derived from the Greek phyllon for leaf; branchos for gill. The name is suggested by the ... [details]

 Etymology

author: "named for its proximity to the Rio de la Plata" Uruguay [details]

 Etymology

author: "named for the late Dr. John S. (Stubby) Rankin [...] director of the sampling program during the ... [details]

 Etymology

author: Leitoscoloplos simplex "from the Latin simplex and refers to the overall lack of typical orbiniid morphology" [details]

 Etymology

Kinberg can safely be assumed to have chosen Leodamas as another historic Greek personal name, as was his ... [details]

 Etymology

author: "hyphalos: Greek for submerged, in the deep" [details]

 Etymology

author: "named for Dr. Nancy J. Maciolek, polychaete systematist, in recognition of her prior work on similar ... [details]

 Etymology

author: "perisso, Greek for beyond the regular number or size; branchos, Greek for gill". Not stated, but assumed ... [details]

 Etymology

Author: Naineris antarctica is "named for Antarctica, because it is the only species of the genus known from ... [details]

 Etymology

Not stated, but evidently after Argentina, the country of origin. [details]

 Etymology

furcillata is Latin for forked, referring to the posterior noto- and neuropodial lobes which are bifid or forked at ... [details]

 Etymology

named for the late Dr. José M. (Lobo) Orensanz who collected the specimens [details]

 Etymology

author: Orbiniella landrumae is "named for Ms. Betty J. Landrum of the former Smithsonian Oceanographic Sorting Center" [details]

 Etymology

author: "spinosa is from the Latin, spina for thorn, and refers to the distinctive neuropodial spines that ... [details]

 Etymology

Bathytatus, Greek for deepest [details]

 Etymology

Unchanged place name as noun in apposition, "after Punta Suroestense, near the type locality in the Juan Fernandez ... [details]

 Grammatical gender

Not stated but assumed masculine as Leodamas is a male personal name. Past authors have treated Leodamas as ... [details]

 Homonymy

Apparently a junior homonym to Anthostoma Rafinesque,1815 in Platyhelminthes, but that name was a replacement for ... [details]

 Homonymy

replaced name, junior primary homonym to N. dendritica chilensis Hartmann-Schröder, 1965. Replaced by Naineris ... [details]

 Neotype

Blake (2017: 61-62) believes the holotype is lost and has designated a neotype, collection details Golfo San ... [details]

 Nomenclature

replacement name by Blake, 2017 for Naineris chilensis Carrasco, 1977, a junior homonym of N. dendritica chilensis ... [details]

 Spelling

Uncertain. See the original record under the spelling of "madagascariensis", Blake's recombination uses the ... [details]

 Status

The type species was "in so far as is known" regarded as a Leodamas by Hartman (1957: 295), Blake (2017: 50) thus ... [details]

 Status

The holotype is indeterminable (Hartman 1957, Blake 2017), therefore the original monotypic genus Alcandra and the ... [details]

 Status

Parapar et al. (2015) state is excluded from Orbiniella in Buzhinskaja, 1994. Not assigned elsewhere. Likewise ... [details]

 Status

A nominal subgenus for Scoloplos is superfluous as there are currently no valid other subgenera (Leodamas is a full ... [details]

 Synonymy

Day (1977: 218) placed Haploscoloplos Monro, 1933 as a synonym of Scoloplos because specimens of the type species, ... [details]

 Synonymy

Leodamas cylindrifer, orginally Scoloplos, then formerly Haploscoplos, is a important species for defining ... [details]

 Synonymy

Pettibone (1957: 160) divided Naineris into the nominal subgenus and her new Polynaineris. It was to contain most ... [details]

 Synonymy

See Meyer et al (2008) and Blake (2007) for evidence for the synonymy with Proscoloplos cygnochaetus [details]

 Synonymy

See Meyer et al (2008) and Blake (2007) for evidence for synonymy with Proscoloplos cygnochaetus [details]

 Synonymy

Blake (2017: 119) includes both Proscoloplos confusus Hartmann-Schröder, 1962, and Proscoloplos bondi Kelaher & ... [details]

 Synonymy

"Scoloplos (Leodamas) naumovi described by Averincev (1982) from shallow waters of the Davis Sea is not well ... [details]

 Synonymy

"The holotype of Scoloplos armiger trioculata agrees in all particulars with L. tribulosus, and is herein ... [details]

 Taxonomy

Blake (2017: 71) places Aricia cochleata as valid in Leodamas. He explains "Augener (1926) synonymized A. cochleata ... [details]

 Taxonomy

Fauchald (1977 pink book:17) placed the genus as incertae sedis. Parapar et al (2015:333) when they transfered ... [details]

 Taxonomy

Adding to previous comments by Mackie (1987) on a number of probably erroneous prior identifications and records, ... [details]

 Taxonomy

Blake (2000) treated Leodamas as a full genus because of its heavy thoracic neuropodial spines, which differ from ... [details]

 Taxonomy

Blake (2017: 50,51) transferred Scoloplos cylindrifer to Leodamas as a new combination. He has no formal ... [details]

 Taxonomy

The specimens (4 collected on 2 occasions) are suggested to be juveniles, and are said to be similar in some ... [details]

 Taxonomy

Blake 92017: 118) comments on Pettibonella in relation to the similar Proscoloplos, maintains them as separate, and ... [details]

 Type locality

Drake Passage (Sea area between Cape Horn and S Shetland Islands) [details]

 Type locality

Peru-Chile Trench, South Pacific, off Western South America,  [details]

 Type locality

Staten Island, off Tierra del Fuego, Argentina [details]

 Type locality

Weddell Sea, Antarctica [details]

 Type locality

inshore waters, Golfo de Ancud, SW of Isla Tabon, Chile, -41.9667, -73.3 (41°58'S, 73°18'W) ca. 200 m [details]

 Type locality

North of Shag Rocks, South Georgia Island, South Atlantic Ocean, Eltanin Sta. 22-1527, 63.83°S, 62.60°W, 3742–3806 m [details]

 Type locality

off Antarctic Peninsula, Eltanin Station 6-439, 63.83°S, 62.60°W, 128 m [details]

 Type locality

Hero Inlet, Arthur Harbor, Anvers Island, Antarctic Peninsula, Glacier Sta. 68-Palmer II, 64.77°S, 64.07°W, 40 m [details]

 Type locality

off the mouth of the Rio de la Plata, Uruguay. [details]

 Type locality

Weddell Sea, Glacier Sta. 69-19, 74.105°S, 32.603°W, 1622 m [details]

 Type locality

Clarion-Clipperton Fracture Zone, 12.9272, -128.6002 (12°55.633′N, 128°36.011′W), 4843 m, abyssal plain, ... [details]

 Type locality

Drake Passage, between South America and the Antarctic Peninsula, Eltanin Station 4-126, 57.20°S, 62.75°W, ... [details]

 Type locality

Not stated. The single specimen known was collected at IBM Sta. Comp IV-62, 21 Mar 1964, 37°50′S, 57°21′W, 14 ... [details]

 Type locality

Western Chile, off Valparaiso, Eltanin Station 9-753, 33.27°S, 71.78°W, 192 m. [details]

 Type locality

Ross Sea, East of Cape Adare, Antarctica, Eltanin Sta. 32-1995, 72.05°S, 172.63°E, 344–348 m [details]

 Type locality

Mar del Plata, "Rocas Pya Chica", Argentina, intertidal, no geolocation given, no place name found, suggested as ... [details]

 Type locality

San Ramon, Argentina, no geolocation, and about 50 "San Ramon" placenames exist in Argentina, but Golfo Nuevo ... [details]

 Type locality

Isla Robinson Crusoe, Juan Fernandez Islands, E Pacific Ocean, Anton Brun cruise, 33.622°S, 78.839°W, 26–29 m [details]

 Type locality

Off Argentina, -38.7667, -55.3333 (38 46' S, 55 20' W), surface, on drifting Macrocystis holdfasts, coll. J.M. ... [details]

 Type locality

near South Georgia, Eltanin Sta. 9-720, 56.10°S, 34.02°W, 2828–2873 m [details]

 Type locality

Chile Bay behind Punta Suroestense [sic for Punta Suroeste], Juan Fernandez Islands, off Chile, E Pacific Ocean, ... [details]

 Type specimen

Zoologische Museum, Hamburg. Blake (2017: 94) reports that the type species vial contains an unrelated worm, a ... [details]

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