2c) ischium smooth, length about as long as maximum width; merus with well demarcated rounded lobe on ventrolateral (flexor) margin; propodus relatively short; carpus, propodus and dactylus with long setae on ventral (flexor) margins.
glacialis has a forceps-like dactylus on its gnathopod 2 that was interpreted as allowing the species to collect small particles such as diatoms (Arndt et al., 2005).