Typhlogammaridae, Bousfield, 1978

Sidorov, Dmitry A., Gontcharov, Andrey A. & Sharina, Svetlana N., 2015, A new genus and two new species of cavernicolous amphipods (Crustacea: Typhlogammaridae) from the Western Caucasus, European Journal of Taxonomy 168, pp. 1-32 : 29

Key to the genera of Typhlogammaridae

1 Pleosomal (abdominal) segments 1–3 with a pair of bilateral teeth dorsally … Metohia Absolon, 1927

– Pleosomal segments without teeth …………………………………………………………………2

2 Uropods in males setose with bundles of stiff, long setae ……………… Adaugammarus gen. nov.

– Uropods ordinary ……………………………………………………………………………………3

3 Antennal gland cone short ……………………………………… Typhlogammarus Schäferna, 1907

– Antennal gland cone long …………………………………………………………………………4

4 Maxilla 1 outer plate filtrative, multisetose ……………………… Zenkevitchia ( admirabilis -group)

– Maxilla 1 outer plate ordinary ………………………………………………………………………5

5 Uropod 3 parviramous, with inner ramus half as long as outer ramus …………………………… ………………………………………………………………… Zenkevitchia ( sandroruffoi -group)

– Uropod 3 almost aequiramous, with inner ramus somewhat shorter ………………………………… ………………………………………………………………… Accubogammarus G. Karaman,1974