Corresponding author: Wonchoel Lee (
Academic editor: D. Defaye
Two new species of
Back J, Lee W (2017) Two new species of
Although the marine biodiversity of Korea is very high according to a recent estimation (
Paramesochrid harpacticoids, with their reduced appendages and vermiform body shapes, successfully inhabit subtidal and intertidal sandy bottoms (
Thomas
A survey of harpacticoid copepods from subtidal zones in Korea resulted in the discovery of two new species belonging to
Specimens were collected from sediments in the subtidal zone near Pung Island off the west coast of Korea (
The descriptive terminology of
Specimens were deposited in the National Marine Biodiversity Institute of Korea (
Exopod | Endopod | |
---|---|---|
|
0.022 | 0.020 |
|
0[1]1.0[1]2.011 | |
|
0.0[1]2.011 | |
|
0.0.011 | 010 |
1
2
Exopod of
Sexual dimorphisms in
Republic of Korea, Pung Island (Korean name Pungdo): subtidal zone,
Holotype 1♀ (
Armature formula as follows:
Exopod | Endopod | |
---|---|---|
|
0.022 | 0.020 |
|
0.0.011 | |
|
0.0.011 | |
|
0.0.011 | 010 |
The specific name refers to the type locality of the new species, Pung Island, Korea.
Republic of Korea, Maemul Island (Korean name : Maemuldo), subtidal zone off
Holotype 1♂ (
Armature formula as follows:
Exopod | Endopod | |
---|---|---|
|
0.022 | 010 |
|
0.0.011 | |
|
0.0.011 | |
|
0.0.011 | 010 |
The specific name refers to the type locality of the new species in Korea.
Since the genus
Until now, many species belonging to genus
Distribution of genus
The two new species are placed in the genus
Morphological characters of
Group | Species name | Body Size |
|
Swimming legs |
|
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|
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Female |
No. of |
Enp-2 | Exp-1 | Exp-2 | Exp-2 | Exp-2 | Exp-3 | Enp-1 | Enp-2 | Exp. separation | Benp. develope |
||
1 |
|
730 | 1(5) | 011 | 0 | 021 | 021 | 021 | · | 010 | · | F | N(0) |
|
500 | ?(4) | 011 | 0 | 0 | 0 | ? | ? | 0 | 010 | F | N(0) | |
2 |
|
400–440 |
1(4) | 011 | 0 | 0 | 0 | 0 | 011 | 010 | · | S | N(0) |
3 |
|
380–400 | 1(4) | 011 | 0 | 1 | 1 | 0 | 021 | 010 | · | F | D(2) |
4 |
|
400–445 | 2(4) | 011 | 0 | 0 | 0 | 0 | 011 | 010 | · | S | D(0) |
|
420 | 1(3) | 011 | 0 | 0 | 0 | 0 | 021 | 010 | · | S | D(0) | |
|
290–390 |
1(4) | 011 | 0 | 0 | 0 | 0 | 011 | 010 | · | S | D(2) | |
|
700 | 1(4) | 011 | ? | ? | 0 | 0 | 011 | 0 | 010 | S | D(2) | |
390 | 1(4) | 011 | 0 | 0 | 0 | 0 | 011 | 010 | · | S | D(2) | ||
Unknown |
|
(900) | 1(5) | 010 | 0 | 0 | 0 | 0 | 011 | 010 | · | ? | ? |
|
(360) | 1(4) | 011 | 1 | 1 | 1 | 0 | 011 | 010 | · | male only | male only | |
(575) | 1(4) | 010 | 0 | 0 | 0 | 0 | 011 | 010 | · | male only | male only |
* No.: number, seg.: segment, S: separated, F: fused, D: developed, N: not developed, Unknown :
The description of
Four distinctive groups within the genus
The latest key proposed by Bodin & Jackson (1987) includes nine species of
1 | ||
– | ||
2 |
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– |
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3 | Distal segment of |
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– | Distal segment of |
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4 |
|
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– |
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5 | Middle segments of |
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– | Middle segment of |
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6 | Male exopod of |
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– | Male exopod of |
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7 |
|
|
– |
|
|
8 |
|
|
– |
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9 |
|
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– |
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10 |
|
|
– |
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11 | Each |
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– | Each |
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12 | Caudal seta III stout and decorated with spinules defined at base; each side of |
|
– | Caudal seta III cylindrical, decorated with long spinules; each side of |
|
This research was supported by Securement, Analysis and Evaluation of Marine Invertebrate Bioresources (