Patagonema iubatum gen. nov. and sp. nov. (Nematoda, Oncholaimidae, Octonchinae) from Patagonia sandy beach (Argentina)

Patagonema iubatum gen. nov. sp. nov. is described from a sandy beach at Playa Pozo, Golfo Nuevo, Argentina. It resembles Oncholaimidae (Nematoda: Enoplida) and it is characterized by a buccal cavity comprising a combination of three teeth and three mandibular ridges with small teeth. The new genus...

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Published inJournal of the Marine Biological Association of the United Kingdom Vol. 95; no. 1; pp. 101 - 109
Main Authors Pastor De Ward, Catalina T., Lo Russo, Virginia, Villares, Gabriela
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.02.2015
Subjects
Enoplida
Males
Marine
Nematoda
Nematodes
Oncholaimidae
Ostomy
Teeth
Argentina
PSW, Argentina, Patagonia
Oncholaimidae
Octonchinae
Patagonema iubatum gen. nov. sp. nov
systematic
Patagonian coasts
marine Nematoda
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Summary:Patagonema iubatum gen. nov. sp. nov. is described from a sandy beach at Playa Pozo, Golfo Nuevo, Argentina. It resembles Oncholaimidae (Nematoda: Enoplida) and it is characterized by a buccal cavity comprising a combination of three teeth and three mandibular ridges with small teeth. The new genus is also characterized by the presence of papillose pre-cloacal supplements, cephalated spicula and a gubernaculum with dorsal apophysis and lateral piece, and a new demanian system configuration. Patagonema iubatum sp. nov. has 9–11 papillae-like pre-cloacal supplements, short and cephalated spicula and a gubernaculum with dorsal apophysis and pointed lateral piece. Its position inside Oncholaimidae is discussed.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315414000708