(Lubbock, 1856)
Females: Head without crest. Gns without spine on genital field (lateral view). More characters can be accessed by backtracking the key:
Page 862: Copepoda: Genus Undeuchaeta females
Males: Head without crest. More characters can be accessed by backtracking the key:
Page 1093: Copepoda: Genus Undeuchaeta males