Giraffaphaenops Deuve, 2002

Ma, Zijun, Huang, Sunbin & Tian, Mingyi, 2020, Two new species of cavernicolous trechines from central Guizhou and northwestern Guangxi, China (Coleoptera: Carabidae: Trechinae), Zootaxa 4861 (4), pp. 581-593 : 591

Key to species of the genus Giraffaphaenops Deuve, 2002

1 Head shorter and wider, reversed triangular................................................ G. brevicephalus n. sp.

- Head longer and thinner, column-like..................................................................... 2

2 Head thicker, temples slightly and gradually narrowed towards the neck constriction................ G. yangi Tian & Luo

- Head thinner, temples strongly narrowed and almost straight towards neck constriction................. G. clarkei Deuve