Vol. 2096 No. 1: 11 May. 2009

Published: 2009-05-11

DOI: https://doi.org/10.11646/zootaxa.2096.1

Editorial

Deep-sea taxonomy — a contribution to our knowledge of biodiversity (cover)

WIEBKE BRÖKELAND, KAI HORST GEORGE

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.1

Page range: 1–5

Abstract views: 242

PDF downloaded: 159
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Editorial: Deep-sea taxonomy a contribution to our knowledge of biodiversity

WIEBKE BRÖKELAND, KAI HORST GEORGE

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.2

Page range: 6–8

Abstract views: 236

PDF downloaded: 160
- PDF (39KB)

Article

A new genus and two new species of saccamminid foraminiferans (Protista, Rhizaria) from the deep Southern Ocean

TOMAS CEDHAGEN, ANDREW J. GOODAY, JAN PAWLOWSKI

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.3

Page range: 9–22

Abstract views: 487

PDF downloaded: 227
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Global genetic homogeneity in the deep-sea foraminiferan Epistominella exigua (Rotaliida: Pseudoparrellidae)

BEATRICE LECROQ, ANDREW JOHN GOODAY, JAN PAWLOWSKI

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.4

Page range: 23–32

Abstract views: 405

PDF downloaded: 162
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Culexiregiloricus, a new genus of Nanaloricidae (Loricifera) from the deep sea of the Guinea Basin (Southeast Atlantic)

GUNNAR GAD

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.5

Page range: 33–49

Abstract views: 438

PDF downloaded: 207
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A clearly identifiable postlarva in the life cycle of a new species of Pliciloricus (Loricifera) from the deep sea of the Angola Basin

GUNNAR GAD

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.6

Page range: 50–81

Abstract views: 483

PDF downloaded: 240
- PDF (1MB)
Two new species of Sabatieria Rouville (Nematoda: Comesomatidae) with conical-cylindrical tails, from Campos Basin, Rio de Janeiro, Brazil

ALESSANDRA PRATES BOTELHO, MARIA CRISTINA DA SILVA, LUCIANA DAVINA TOSTA SOBRAL, VERÔNICA GOMES FONSÊCA-GENEVOIS

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.7

Page range: 82–98

Abstract views: 294

PDF downloaded: 125
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Description of a new species of Epacanthion (Thoracostomopsidae, Nematoda) from Brazil and a modified key for species identification

BETÂNIA CRISTINA GUILHERME, MARIA CRISTINA DA SILVA, ANDRÉ MORGADO ESTEVES

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.8

Page range: 99–108

Abstract views: 298

PDF downloaded: 124
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Spirodesma magdae nov. gen. nov. sp. (Nematoda: Desmodoridae) from the Brazilian deep sea (Campos Basin, Rio de Janeiro, Brazil)

MARIANA DA FONSECA CAVALCANTI, MARIA CRISTINA DA SILVA, VERÔNICA DA FONSÊCA-GENEVOIS

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.9

Page range: 109–118

Abstract views: 289

PDF downloaded: 117
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Four new species of Syringolaimus De Man, 1888 (Nematoda: Ironidae) from the Southeast Atlantic (Brazil), with redefinition of valid species and the proposal of a new key

RITA DE CÁSSIA COELHO LIMA, LIDIA LINS, MARIA CRISTINA DA SILVA, ANDRÉ MORGADO ESTEVES

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.10

Page range: 119–136

Abstract views: 286

PDF downloaded: 132
- PDF (544KB)
Deep-sea nematodes of the family Microlaimidae from the Clarion-Clipperton Fracture Zone (North-Eastern Tropic Pacific), with the descriptions of three new species

DMITRY M. MILJUTIN, MARIA A. MILJUTINA

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.11

Page range: 137–172

Abstract views: 329

PDF downloaded: 124
- PDF (1MB)
Description of Bathynema nodinauti gen. n., sp. n. and four new Trophomera species (Nematoda: Benthimermithidae) from the Clarion-Clipperton Fracture Zone (Eastern Tropic Pacific), supplemented with the keys to genera and species

DMITRY M. MILJUTIN, MARIA A. MILJUTINA

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.12

Page range: 173–196

Abstract views: 328

PDF downloaded: 110
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Free-living nematodes from the deep-sea Håkon Mosby Mud Volcano, including the description of two new and three known species

DARIA PORTNOVA

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.13

Page range: 197–213

Abstract views: 313

PDF downloaded: 133
- PDF (579KB)
Description of four new species of Mesocletodes Sars, 1909 (Copepoda, Harpacticoida, Argestidae) and redescription of Mesocletodes robustus Por, 1965 from the South Atlantic, including remarks on the Mesocletodes abyssicola-group

LENA MENZEL, KAI HORST GEORGE

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.14

Page range: 214–256

Abstract views: 368

PDF downloaded: 141
- PDF (1MB)
Description of two new species of Dorsiceratus Drzycimski, 1967 (Copepoda: Harpacticoida: Ancorabolidae) from Sedlo and Seine Seamounts (Northeastern Atlantic) and remarks on the phylogenetic status of the genus

KAI HORST GEORGE, CHRISTOPH PLUM

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.15

Page range: 257–286

Abstract views: 467

PDF downloaded: 134
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A new genus of Pseudomesochrinae Willen, 1996 (Copepoda, Harpacticoida, Pseudotachidiidae) from the Guinea Basin

ELKE WILLEN, JANINE DITTMAR

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.16

Page range: 287–298

Abstract views: 385

PDF downloaded: 122
- PDF (334KB)
Nyxis rostrocularis, a new genus and species of Paranannopinae Por, 1986 (Copepoda, Harpacticoida) from the Southern Atlantic deep sea

ELKE WILLEN

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.17

Page range: 299–312

Abstract views: 295

PDF downloaded: 110
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Kliopsyllus schminkei sp. n. (Copepoda, Harpacticoida, Paramesochridae) a new copepod from the southeast Atlantic deep sea (Angola Basin)

GRITTA VEIT-KÖHLER, JAN DREWES

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.18

Page range: 313–326

Abstract views: 294

PDF downloaded: 124
- PDF (633KB)
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.

DANIELLE MENOR VASCONCELOS, GRITTA VEIT-KÖHLER, JAN DREWES, PAULO JORGE PARREIRA DOS SANTOS

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.19

Page range: 327–337

Abstract views: 380

PDF downloaded: 125
- PDF (260KB)
Discovery of Smacigastes Ivanenko & Defaye, 2004 (Copepoda: Harpacticoida: Tegastidae) in a deep-sea cold seep, with the description of a new species from the Gulf of Mexico

CHRISTOPH PLUM, PEDRO MARTINEZ ARBIZU

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.20

Page range: 338–355

Abstract views: 315

PDF downloaded: 157
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Macrostylis cerritus sp. nov., a new species of Macrostylidae (Isopoda: Asellota) from the Weddell Sea, Southern Ocean

AIDAN VEY, SASKIA BRIX

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.21

Page range: 356–370

Abstract views: 295

PDF downloaded: 118
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Nymphodora gen. nov., a new genus of Nannoniscidae Hansen, 1916 (Isopoda, Asellota, Janiroidea) from the high Arctic

STEFANIE KAISER

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.22

Page range: 371–380

Abstract views: 348

PDF downloaded: 128
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Thylakogaster namibiensis sp. nov. (Isopoda: Asellota: Janiroidea), a new species of Haplomunnidae from the southeast Atlantic deep sea

NILS BRENKE, ANIKA BUSCHMANN

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.23

Page range: 381–394

Abstract views: 294

PDF downloaded: 105
- PDF (505KB)
Holodentata gen. nov. (Isopoda: Asellota: Paramunnidae) with a description of two new species: H. caeca and H. triangulata from the Southern Ocean

BRENDA LÍA DOTI, MADHUMITA CHOUDHURY, ANGELIKA BRANDT

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.24

Page range: 395–412

Abstract views: 316

PDF downloaded: 204
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Cumacea (Crustacea, Peracarida) in the deep Mediterranean, with the description of one new species

UTE MÜHLENHARDT-SIEGEL

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.25

Page range: 413–432

Abstract views: 381

PDF downloaded: 155
- PDF (366KB)
Hirondellea sindhusagar (Crustacea: Amphipoda: Lysianassoidea), a new deep-water scavenger species from the Indian Ocean, with a key to the genus Hirondellea

TAMMY HORTON, MICHAEL THURSTON

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.26

Page range: 433–441

Abstract views: 361

PDF downloaded: 221
- PDF (185KB)
Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)

JAN STRUGNELL, JANET R. VOIGHT, PATRICK C. COLLINS, A. LOUISE ALLCOCK

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.27

Page range: 442–459

Abstract views: 485

PDF downloaded: 203
- PDF (280KB)
Psychropotid holothurians (Echinodermata: Holothuroidea: Elasipodida) collected at abyssal depths from around the Crozet Plateau in the Southern Indian Ocean

ANTONINA ROGACHEVA, IAN A. CROSS, DAVID S. M. BILLETT

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.28

Page range: 460–478

Abstract views: 458

PDF downloaded: 140
- PDF (385KB)
Gebrukothuria profundus, a new genus and species of laetmogonid holothurian (Elasipodida, Laetmogonidae) from around the Crozet Plateau in the Southern Indian Ocea

ANTONINA ROGACHEVA, IAN A. CROSS, DAVID S. M. BILLETT

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.29

Page range: 479–483

Abstract views: 356

PDF downloaded: 143
- PDF (255KB)
Peniagone crozeti a new species of elasipodid holothurian from abyssal depths off the Crozet Islands in the Southern Indian Ocean

IAN A. CROSS, ANDREY GEBRUK, ANTONINA ROGACHEVA, DAVID S.M. BILLETT

Published: 2009-05-11

DOI: 10.11646/zootaxa.2096.1.30

Page range: 484–488

Abstract views: 338

PDF downloaded: 122
- PDF (121KB)

Vol. 2096 No. 1: 11 May. 2009

Editorial

Deep-sea taxonomy — a contribution to our knowledge of biodiversity (cover)

Editorial: Deep-sea taxonomy a contribution to our knowledge of biodiversity

Article

A new genus and two new species of saccamminid foraminiferans (Protista, Rhizaria) from the deep Southern Ocean

**Global genetic homogeneity in the deep-sea foraminiferan Epistominella exigua (Rotaliida: Pseudoparrellidae)**

Culexiregiloricus, a new genus of Nanaloricidae (Loricifera) from the deep sea of the Guinea Basin (Southeast Atlantic)

**A clearly identifiable postlarva in the life cycle of a new species of Pliciloricus (Loricifera) from the deep sea of the Angola Basin**

**Two new species of Sabatieria Rouville (Nematoda: Comesomatidae) with conical-cylindrical tails, from Campos Basin, Rio de Janeiro, Brazil**

**Description of a new species of Epacanthion (Thoracostomopsidae, Nematoda) from Brazil and a modified key for species identification**

Spirodesma magdae nov. gen. nov. sp. (Nematoda: Desmodoridae) from the Brazilian deep sea (Campos Basin, Rio de Janeiro, Brazil)

**Four new species of Syringolaimus De Man, 1888 (Nematoda: Ironidae) from the Southeast Atlantic (Brazil), with redefinition of valid species and the proposal of a new key**

Deep-sea nematodes of the family Microlaimidae from the Clarion-Clipperton Fracture Zone (North-Eastern Tropic Pacific), with the descriptions of three new species

Description of Bathynema nodinauti gen. n., sp. n. and four new Trophomera species (Nematoda: Benthimermithidae) from the Clarion-Clipperton Fracture Zone (Eastern Tropic Pacific), supplemented with the keys to genera and species

Free-living nematodes from the deep-sea Håkon Mosby Mud Volcano, including the description of two new and three known species

Description of four new species of Mesocletodes Sars, 1909 (Copepoda, Harpacticoida, Argestidae) and redescription of Mesocletodes robustus Por, 1965 from the South Atlantic, including remarks on the Mesocletodes abyssicola-group

Description of two new species of Dorsiceratus Drzycimski, 1967 (Copepoda: Harpacticoida: Ancorabolidae) from Sedlo and Seine Seamounts (Northeastern Atlantic) and remarks on the phylogenetic status of the genus

A new genus of Pseudomesochrinae Willen, 1996 (Copepoda, Harpacticoida, Pseudotachidiidae) from the Guinea Basin

Nyxis rostrocularis, a new genus and species of Paranannopinae Por, 1986 (Copepoda, Harpacticoida) from the Southern Atlantic deep sea

Kliopsyllus schminkei sp. n. (Copepoda, Harpacticoida, Paramesochridae) a new copepod from the southeast Atlantic deep sea (Angola Basin)

**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.**

**Discovery of Smacigastes Ivanenko & Defaye, 2004 (Copepoda: Harpacticoida: Tegastidae) in a deep-sea cold seep, with the description of a new species from the Gulf of Mexico**

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

Nymphodora gen. nov., a new genus of Nannoniscidae Hansen, 1916 (Isopoda, Asellota, Janiroidea) from the high Arctic

Thylakogaster namibiensis sp. nov. (Isopoda: Asellota: Janiroidea), a new species of Haplomunnidae from the southeast Atlantic deep sea

Holodentata gen. nov. (Isopoda: Asellota: Paramunnidae) with a description of two new species: H. caeca and H. triangulata from the Southern Ocean

Cumacea (Crustacea, Peracarida) in the deep Mediterranean, with the description of one new species

***Hirondellea sindhusagar* (Crustacea: Amphipoda: Lysianassoidea), a new deep-water scavenger species from the Indian Ocean, with a key to the genus *Hirondellea***

**Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)**

Psychropotid holothurians (Echinodermata: Holothuroidea: Elasipodida) collected at abyssal depths from around the Crozet Plateau in the Southern Indian Ocean

Gebrukothuria profundus, a new genus and species of laetmogonid holothurian (Elasipodida, Laetmogonidae) from around the Crozet Plateau in the Southern Indian Ocea

Peniagone crozeti a new species of elasipodid holothurian from abyssal depths off the Crozet Islands in the Southern Indian Ocean