Peck's Cave Amphipod

Stygobromus pecki

Pizzini's Amphipod

Stygobromus pizzinii

Wisconsin Well Amphipod

Stygobromus putealis

Reddell's Cave Amphipod

Stygobromus reddelli

Alabama Well Amphipod

Stygobromus smithii

Spring Cave Amphipod

Stygobromus spinatus

Stellmack's Cave Amphipod

Stygobromus stellmacki

Subtle Cave Amphipod

Stygobromus subtilis

Wengeror's Cave Amphipod

Stygobromus wengerorum

Balcones Cave Amphipod

Stygobromus balconis

Bath County Cave Amphipod

Stygobromus mundus

Stygodiaptomus kieferi