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PeerJ. 2017 Jun 22;5:e3488. doi: 10.7717/peerj.3488. eCollection 2017.

Euphilomedes biacutidens (Ostracoda, Myodocopida, Philomedidae), a new species from China Sea.

Xiang P#1,2, Ye Y#1, Chen X1, Chen R1, Lin M1,3.

Author information

Laboratory of Marine Biology and Ecology, Third Institute of Oceanography, SOA, Xiamen, China.
School of Life Science and Technology, Tongji University, Shanghai, China.
Collaborative Innovation Center of Deep Sea Biology, Hangzhou, China.
Contributed equally


Ostracods are one of the major groups of marine benthos, inhabiting virtually all oceanic environments worldwide, and a total of 31 species have been recorded in genus Euphilomedes Kornicker, 1967. In the present study, we describe a new species Euphilomedes biacutidens collected from the Taiwan Strait and South China Sea. E. biacutidens sp. nov. differs from the related species of the genus Euphilomedes in having a unique combination of the characteristics of spines on carapace, the filaments on sensory seta, the arrangement of setae on tip of the first antenna, the numbers of setae on appendages, the claws on fifth limb, the teeth on the comb of the seventh limb and furcal claws. It is particularly obvious that it has a bifurcated and pointed ventral corner of the rostrum, two spines on the posterior margin of right valve, a row of teeth along the inner margin of article 3 of the endopod of the second antenna, and some long claws instead of setae on the fifth limb.


Euphilomedes biacutidens sp. nov.; Ostracoda; South China Sea; Taiwan Strait; Taxonomy

Conflict of interest statement

The authors declare there are no competing interests.

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