First records of Gnathia Leach, 1814 and Tachaea Schioedte & Meinert, 1879 from South Korea, with descriptions of two new species (Isopoda, Cymothoida, Cymothooidea)

By

Song, Ji-Hun
Min, Gi-Sik

Type

Article

Date of Publication

2018

Original Publication

ZooKeys

Volume

787

Pages

17-35

Subjects

Corallanidae , Gnathia , Gnathiidae , Isopoda , South Korea , Tachaea

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers

Identifiers

DOI: https://doi.org/10.3897/zookeys.787.26291

 

Abstract

Two new species of cymothoid isopods,Gnathiakoreanasp. n.andTachaeakoreaensissp. n., are described from South Korea. The generaGnathiaLeach, 1814 andTachaeaSchioedte & Meinert, 1879 are recorded for the first time in South Korea.Gnathiakoreanasp. n.is distinguished from its congeners by having the smooth dorsal surface of the pereon, the strongly ridged unornamented paraocular ornamentation, the strong bifid mediofrontal process, and the serrated superior frontolateral process.Tachaeakoreaensissp. n.is distinguished from its congeners by having the expanded propodus with serrated inferior margins in pereopods 1–3, the propodus with serrated inferodistal margins in pereopods 4–7, one seta on the apical lobe of the maxilla, and ten robust setae on the posterior margin of the pleotelson.