Some Free-Living Marine Nematodes from Northwest Florida, U.S.A. with Descriptions of Three New Species (Nematoda: Chromadorida, Trefusiida)

1992 ◽  
Vol 111 (3) ◽  
pp. 199
Author(s):  
Edwin J. Keppner
Keyword(s):  
New Species ◽  
Marine Nematodes ◽  
Free Living ◽  
Three New Species ◽  
Northwest Florida

New species of free-living marine nematodes from the Yellow Sea, China

2006 ◽  
Vol 86 (2) ◽  
pp. 271-281 ◽  
Author(s):  
Y. Huang ◽  
Z.N. Zhang
Keyword(s):  
New Species ◽  
Yellow Sea ◽  
Buccal Cavity ◽  
The Yellow Sea ◽  
Marine Nematodes ◽  
Free Living ◽  
Marine Life ◽  
Conical Section ◽  
Anterior Body ◽  
Three New Species

Three new species of free-living marine nematodes: Oncholaimus multisetosus sp. nov., Sabatieria stenocephalus sp. nov. and Setosabatieria coomansi sp. nov. from the Yellow Sea, China are described and illustrated. The male of Oncholaimus multisetosus sp. nov. is characterized by a tail sharply constricted at the junction of the conical and cylindrical sections; two circles of 12–15 pairs of circumcloacal setae each. In the female, the conical section of the tail gradually tapers in a cylindrical section. Sabatieria stenocephalus sp. nov. is characterized by the pronounced sharp-pointed anterior body, sclerotized tooth-like front edge of buccal cavity and 15 tubular-shaped precloacal supplements with the posterior five more closely spaced. Setosabatieriacoomansi sp. nov. can be separated from the other species of the genus by the number (6–8) of cervical setae per file, the number of precloacal supplements (15) and the absence of central strips in spicules and leaf-like extensions of the cuticle lateral to the cloaca. Types are deposited in the College of Marine Life Sciences, Ocean University of China.

scholarly journals Three New Species of Free-living Marine Nematodes (Nematoda: Enoplida) from Northern Japan

2009 ◽  
Vol 14 (2) ◽  
pp. 137-150 ◽  
Author(s):  
Daisuke Shimada ◽  
Hiroshi Kajihara ◽  
Shunsuke F. Mawatari
Keyword(s):  
New Species ◽  
Marine Nematodes ◽  
Free Living ◽  
Three New Species ◽  
Northern Japan

Three new species of the free-living marine nematode Metoncholaimus Filipjev, 1918 (Enoplida, Oncholaimidae) from Argentinean coasts

Zootaxa ◽  
2019 ◽  
Vol 4688 (1) ◽  
pp. 86-100
Author(s):  
VIRGINIA LO RUSSO ◽  
CATALINA T. PASTOR DE WARD
Keyword(s):  
New Species ◽  
Large Body ◽  
Valid Species ◽  
Marine Nematodes ◽  
Marine Nematode ◽  
Large Body Size ◽  
Free Living ◽  
System A ◽  
Rio Negro ◽  
Three New Species

Three new species of free-living marine nematodes of the genus Metoncholaimus are described from San Matías gulf (Río Negro, Argentina). Metoncholaimus sanmatiensis sp. n. is characterized by large body size, long spicules, small gubernaculum, presence of long setose pre- and postcloacal genital sensilla and presence of precloacal pores. Metoncholaimus perdisus sp. n. is characterized by small-sized body, short spicules, small gubernaculum, presence of long setose pre- and postcloacal genital sensilla and presence of pre- and postcloacal pores. Metoncholaimus paracavatus sp. n. is closely related to Oncholaimus cavatus but can be considered as a new Metoncholaimus species based on the presence of gubernaculum and the morphology of the demanian system. A compendium of all valid species, including new species, is given. 

Three new species of free-living marine nematodes (Nematoda: Enoplida) from the Clarion-Clipperton Fracture Zone (CCFZ), North Pacific

Zootaxa ◽  
2020 ◽  
Vol 4859 (4) ◽  
pp. 507-526
Author(s):  
DAISUKE SHIMADA ◽  
NAOYA TAKEDA ◽  
AKIRA TSUNE ◽  
CHISATO MURAKAMI
Keyword(s):  
New Species ◽  
Fracture Zone ◽  
North Pacific ◽  
New Combination ◽  
Marine Nematodes ◽  
Free Living ◽  
Clipperton Fracture Zone ◽  
Group 2 ◽  
Three New Species ◽  
Clarion Clipperton Fracture Zone

Three new species of free-living marine nematodes, Phanodermopsis dordi sp. nov., Halalaimus shinkai sp. nov., and Oxystomina hakureiae sp. nov. are described from the abyssal sediments of the Clarion-Clipperton Fracture Zone, North Pacific. Phanodermopsis dordi sp. nov. differs from the congeners by having papilliform anterior sensilla and a long conical tail with an acute tip. Halalaimus shinkai sp. nov., belonging to Keppner’s group 2 based on the presence of caudal alae and the absence of precloacal sensillum or pore, can be distinguished from all of the members of this group by the presence of lateral pieces of gubernacula. Oxystomina hakureiae sp. nov. differs from the congeners by the short setiform anterior sensilla, the amphid located posterior to cephalic sensilla, the conico-cylindrical tail in both sexes, the spicules with a velum and a capitulum, the presence of the gubernacula and the precloacal setae, and the diorchic and monodelphic reproductive systems. The amended dichotomous keys to the species of Phanodermopsis, Halalaimus group 2, and Oxystomina are provided. A new combination Nemanema arenaria (Bussau, 1990) comb. nov. transferred from Oxystomina is also provided. 

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