A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China
Biology|Updated:2023-04-27
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A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China
A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China
海洋湖沼学报(英文)2023年41卷第1期 页码:314-326
Affiliations:
Fisheries College, Jimei University, Xiamen 361021, China
A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China[J]. 海洋湖沼学报(英文), 2023,41(1):314-326.
Yuzhen CHEN, Huilan ZHU, Yuqing GUO. A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China[J]. Journal of Oceanology and Limnology, 2023, 41(1): 314-326.
A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China[J]. 海洋湖沼学报(英文), 2023,41(1):314-326. DOI: 10.1007/s00343-021-1206-7.
Yuzhen CHEN, Huilan ZHU, Yuqing GUO. A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China[J]. Journal of Oceanology and Limnology, 2023, 41(1): 314-326. DOI: 10.1007/s00343-021-1206-7.
A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China
摘要
Abstract
A new species and a new record of free-living marine nematode of genus
Diplolaimelloides
(Monhysteridae) inhabiting the sediment of mangrove reservation in Shenzhen
China are described and illustrated.
Diplolaimelloides contortus
sp. nov. is characterized by the combination of the following characters: ocelli present; four pairs of post-cloacal papillae arranged in (2+2) pattern
two midway on bursa and two near posterior extremities; spicules complicated in shape
twisted and curved at middle portion; gubernaculum wedge-shaped
with distal dorsal ridge well cuticularized
proximal dorsal ridge obscure sleeve-like
proximal end wrap the spicule; vulva located at 52.1%–53.6% of body length; male tail slender
10.0–11.4 times of anal body diameter
and female tail long filiform
13.1–13.6 times of anal body diameter.
Diplolaimelloides delyi
Andrássy
1958
Andrássy
1958
is first recorded from China and redescribed in detail
it differs from the original description by Andrássy in 1958 for having larger body size of male
shorter tail
and posterior situation of vulva. However
it is much conform to the redescription to specimens from East Pakistan by Timm in 1966
except for shorter tail in female and absent pre-anal seta. Specimens are deposited in the Institute of Oceanology
Chinese Academy of Sciences.
关键词
Keywords
references
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