Giesbrecht, 1889
Females: P5 terminal spine-like segment with coarse spinules for short distance just distal to midlength; about 4 posterodorsal spines on Gns and 2 on Ur2; A1 segment 1 with coarse anterodistal spine. More characters can be accessed by backtracking the key:
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Males: Posterior border of Ur somites almost naked; spines on posterior corner of Pr do not extend to posterior border of Ur1; left P5 Exp2+3 with 3 terminal spines as well as pair of subterminal spines, one of which is plumose. More characters can be accessed by backtracking the key:
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