A new species and a new record of free-living marine nematode of genus <italic style="font-style: italic">Diplolaimelloides</italic> (Monhysteridae) from Futian mangrove reservation in Shenzhen, China

Yuzhen CHEN; Huilan ZHU; Yuqing GUO

doi:10.1007/s00343-021-1206-7

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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

Biology | Updated：2023-04-27

- A new species and a new record of free-living marine nematode of genus Diplolaimelloides (Monhysteridae) from Futian mangrove reservation in Shenzhen, China
- Journal of Oceanology and Limnology Vol. 41, Issue 1, Pages: 314-326(2023)
- Affiliations：
  
  Fisheries College, Jimei University, Xiamen 361021, China
- Author bio：
  
  Yuqing GUO, E-mail: guoyuqing@jmu.edu.cn
- Funds：
- DOI：10.1007/s00343-021-1206-7
  CLC：
- Received：01 July 2021，
  
  Accepted：13 September 2021，
  
  Online First：13 December 2021，
  
  Published：2023-01
- Accepted：
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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：

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.

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.

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references

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Related Institution

Institute of Oceanology, Chinese Academy of Sciences

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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

DOI：10.1007/s00343-021-1206-7

摘要

Abstract

关键词

Keywords

references