scholarly journals A new deep-sea isopod from the Weddell Sea, Antarctica: Coperonus pinguis n. sp. (Crustacea, Isopoda, Munnopsidae)

1992 ◽  
Vol 62 (1) ◽  
pp. 55-61 ◽  
Author(s):  
Angelika Brandt
Keyword(s):  
New Species ◽  
Deep Sea ◽  
First Record ◽  
Weddell Sea ◽  
The Antarctic ◽  
A New Species

A new species of Coperonus, C. pinguis, is described from the Antarctic deep sea. It is the first record of an Antarctic deep-sea species in this genus and the southernmost record of Coperonus.

A new species ofThaumastoderma(Gastrotricha: Macrodasyida) from the Antarctic deep sea with a phylogenetic analysis of the whole genus

2009 ◽  
Vol 90 (3) ◽  
pp. 575-584 ◽  
Author(s):  
Alexander Kieneke
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Deep Sea ◽  
Cladistic Analysis ◽  
Drake Passage ◽  
First Record ◽  
South Shetland Islands ◽  
The North ◽  
The Antarctic ◽  
A New Species

A new species of the marine gastrotrich taxonThaumastodermais described. A single specimen of this species,Thaumastoderma antarcticasp. nov., was extracted from silty sediment sampled at one station of the Andeep-1 cruise, about 150 km to the north of the South Shetland Islands (Drake Passage, South Atlantic Ocean). This paper provides the first record of this genus from the deep sea and the second description of a macrodasyid gastrotrich living in an abyssal habitat. The new species is characterized by several apomorphic features, among them a caudal pair of strongly elongated dorsal cirrata tubes. A phylogenetic analysis of the genusThaumastodermareveals thatTh. antarcticais closely related toTh. coronariumandTh. appendiculatum. Furthermore, the analysis offers an evolutionary scenario and a hypothesis for the internal phylogeny of this taxon while supporting its monophyly. It is the first time a cladistic analysis has been conducted for a delimited group of gastrotrichs, i.e. for all known members of a genus.

scholarly journals First record of the genus Kliopsyllus Kunz, 1962 (Copepoda Harpacticoida, Paramesochridae) from Northeastern Brazil with description of the deep-sea species Kliopsyllus minor sp. nov.

Zootaxa ◽  
2009 ◽  
Vol 2096 (1) ◽  
pp. 327-337 ◽  
Author(s):  
DANIELLE MENOR VASCONCELOS ◽  
GRITTA VEIT-KÖHLER ◽  
JAN DREWES ◽  
PAULO JORGE PARREIRA DOS SANTOS
Keyword(s):  
New Species ◽  
Deep Sea ◽  
First Record ◽  
Weddell Sea ◽  
Northeastern Brazil ◽  
The Family ◽  
Petroleum Company ◽  
Almost All ◽  
Pacific Species ◽  
A New Species

Sediment samples were collected from the deep sea adjacent to the State of Sergipe (Northeastern Brazil) within the framework of the Sergipe Continental Slope Environmental Characterization Project (coordinated by PETROBRAS, the Brazilian Petroleum Company S/A). These revealed a new species of the family Paramesochridae (Copepoda, Harpacticoida). Kliopsyllus minor sp. nov. is the smallest species discovered in this genus, with a body length of 0.19 mm in the adult male. Furthermore, it is one of the three Kliopsyllus species registered from the deep sea so far. In almost all Kliopsyllus species, the endopod of P4 is one-segmented. Only three species, i.e. Kliopsyllus andeep Veit-Köhler, 2004 from the abyssal Weddell Sea, a new species by Veit-Köhler and Thistle from the San Diego Trough (deep Pacific Ocean) and the new species presented here, show a two-segmented endopod in the P4. Kliopsyllus andeep is distinguished by the presence of strong, chitinous processes at the telson, and additional setae at the endopods of P3 and P4. The new Pacific species and the new species from Brazil can be distinguished by the shape of the segments of the swimming legs and detailed characteristics of their setae and spines.

Rediscovery of Bathypsammis Huys & Gee, 1993 (Copepoda, Harpacticoida, Pseudotachidiidae) with description of a new species from the Antarctic deep sea

Zootaxa ◽  
2007 ◽  
Vol 1555 (1) ◽  
pp. 53-68 ◽  
Author(s):  
ELKE WILLEN ◽  
MAXIMILIAN SCHULZ
Keyword(s):  
New Species ◽  
Deep Sea ◽  
Weddell Sea ◽  
Polar Regions ◽  
Widespread Distribution ◽  
New Findings ◽  
Northern Atlantic ◽  
The Moment ◽  
The Antarctic ◽  
A New Species

The species diversity of Copepoda Harpacticoida in the deep sea of the Angola Basin (DIVA I expedition with RV Meteor) and in the Weddell Sea (ANDEEP II expedition with RV Polarstern) have been investigated. From the obtained multicorer samples two female specimens of Bathypsammis Huys & Gee, 1993 were collected. The only specimen known before was described as Psammis longifurca by Bodin in 1968 from the northern Atlantic. In the present paper a new species Bathypsammis polaris sp. n. from the Antarctic Weddell Sea is described. The monophyly of Bathypsammis within the Paranannopinae Por, 1986 can be confirmed by several new autapomorphies whereas the relation to other paranannopid taxa must remain open for the moment. The new findings implicate a widespread distribution of Bathypsammis from the northern to the southern Atlantic and even to the southern polar regions. Up to now all individuals that have been found occur exclusively at deep-sea sites and in very low abundances.

A new species of Regabellator Siebenaller & Hessler, 1981 (Isopoda, Asellota, Nannoniscidae) from the Amundsen Sea shelf (Southern Ocean)

Crustaceana ◽  
2015 ◽  
Vol 88 (4) ◽  
pp. 405-421 ◽  
Author(s):  
S. S. M. Kaiser
Keyword(s):  
New Species ◽  
Continental Shelf ◽  
Deep Sea ◽  
First Record ◽  
Amundsen Sea ◽  
The North ◽  
Antarctic Continental Shelf ◽  
The Antarctic ◽  
North And South ◽  
A New Species

Based on benthic material collected during the BIOPEARL (Biodiversity, Phylogeny, Evolution and Adaptive Radiation of Life in Antarctica) II expedition on board RRS “James Clark Ross” a new nannoniscid species,Regabellator brixorumsp. n., is described from the Pine Island Bay continental shelf, western Amundsen Sea (Antarctica). The new species most closely resemblesRegabellator armatus(Hansen, 1916) but can be distinguished from this species by possessing ventral spines on pereonites 1-4, the shape of the cephalothorax anterior margin and the length of the pereonite 7 ventral spine. The genusRegabellatorhas been previously recorded from the North and South-eastern Atlantic and here exclusively from the deep sea (1946 m and below). The new species represents the first record of the genusRegabellatorfrom the Antarctic continental shelf and thus greatly extends hitherto known latitudinal and bathymetric ranges for this genus.

A new species and record of Serpulidae (Annelida: Polychaeta) from Cross Seamount in the Hawaiian Chain

Zootaxa ◽  
2012 ◽  
Vol 3192 (1) ◽  
pp. 49
Author(s):  
JULIE H. BAILEY-BROCK ◽  
WAGNER F. MAGALHÃES
Keyword(s):  
New Species ◽  
Deep Sea ◽  
New Record ◽  
Type Species ◽  
Hawaiian Islands ◽  
Type Specimen ◽  
First Record ◽  
Type Locality ◽  
A New Species

A new species of the serpulid genus Metavermilia Bush, 1905 and a new record of the genus Omphalopomopsis Saint-Joseph, 1894 are described from deep-sea lava rocks collected from 2,013 m at Cross Seamount, southwest of the Hawaiiarchipelago. Metavermilia zibrowii sp. nov., differs from its congeners mostly by the presence of a simple and concaveoperculum, extent of the thoracic membrane and tube morphology. Omphalopomopsis langerhansii (Marenzeller, 1885)is the type species of the genus and it is only known through its type specimen. This species is characterized by a simpleoperculum with a shallow convex calcareous endplate, cylindrical peduncle, presence of Apomatus chaetae and high num-ber of teeth in the thoracic uncini. This is the first record of this species outside the type locality and both genera are newly recorded for the Hawaiian Islands.

First columbellid species (Gastropoda: Buccinoidea) from deep-sea hydrothermal vents, discovered in Okinawa Trough, Japan

Zootaxa ◽  
2017 ◽  
Vol 4363 (4) ◽  
pp. 592
Author(s):  
CHONG CHEN ◽  
HIROMI KAYAMA WATANABE ◽  
JUAN FRANCISCO ARAYA
Keyword(s):  
New Species ◽  
Deep Sea ◽  
Hydrothermal Vent ◽  
Hydrothermal Vents ◽  
Okinawa Trough ◽  
First Record ◽  
Hydrothermal Field ◽  
Molluscan Diversity ◽  
Chemosynthetic Ecosystems ◽  
A New Species

The molluscan diversity of deep-sea chemosynthetic ecosystems in Japan has been in general well documented with about 80 described species, of which over half are gastropods (Sasaki et al. 2005; Fujikura et al. 2012; Sasaki et al. 2016). Recently, however, a number of novel hydrothermal vent sites were discovered in the area using multibeam echo-sounding (Nakamura et al. 2015), providing opportunities for new discoveries. As a part of ongoing studies documenting the biodiversity of such sites, we present the first record of Columbellidae from hydrothermal vents, with a new species recovered from Natsu and Aki sites, in the Iheya North hydrothermal field (for map and background on the vent field see Nakamura et al. 2015). 

scholarly journals Macrostylis cerritus sp. nov., a new species of Macrostylidae (Isopoda: Asellota) from the Weddell Sea, Southern Ocean

Zootaxa ◽  
2009 ◽  
Vol 2096 (1) ◽  
pp. 356-370
Author(s):  
AIDAN VEY ◽  
SASKIA BRIX
Keyword(s):  
New Species ◽  
Southern Ocean ◽  
Deep Sea ◽  
Weddell Sea ◽  
Ventral Spine ◽  
A New Species

Macrostylis cerritus sp. nov. (Macrostylidae) is described from the Weddell Sea, Antarctica, at a depth of 2149 m. The new species differs from other species of Macrostylis due to the incisor with 4 cusps; the strongly hook-shaped ischium of pereopod 3; pereopod 4 being greatly reduced and juvenile in appearance; the operculum bearing a ventral spine-like seta; and the absence of pleopod 5. This species is the fourth deep-sea macrostylid identified from the Southern Ocean, and is one more species described from the specimens of ANDEEP I–III expeditions.

New species of Tanaella Norman and Stebbing, 1886 (Crustacea: Tanaidacea: Tanaellidae) from the deep-sea off the Antarctic and the Angola Basin, with a key to the genus

Zootaxa ◽  
2004 ◽  
Vol 459 (1) ◽  
pp. 1 ◽  
Author(s):  
JÜRGEN GUERRERO-KOMMRITZ ◽  
MAGDALENA B½AÚEWICZ-PASZKOWYCZ
Keyword(s):  
New Species ◽  
Atlantic Ocean ◽  
Deep Sea ◽  
First Record ◽  
The Antarctic ◽  
Southern Atlantic Ocean

Three new deep-sea species in the genus Tanaella are described: two from the Antarctic (T. eltaninae sp. nov., T. kimi sp. nov.) and one from the Angola Basin (T. profunda sp. nov.). This is the first record of Tanaella in the deep-sea of the Antarctic and the southern Atlantic Ocean. A key to the 13 known species of the genus is provided.

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