Chacella, BRUCE, 1986

Li, Xinzheng, 2006, Chacella mclaughlinae n. sp., a new pontoniine shrimp from Clipperton Island (Crustacea, Caridea, Palaemonidae), Zoosystema 28 (2), pp. 359-366 : 366

KEY TO SPECIES OF CHACELLA BRUCE, 1986

1. Abdomen without horn-like teeth; carapace with two large dorsomedian horn-like teeth on anterior 1/4, and small knob posterior to orbit; pleura of first three abdominal segments relatively small; lateral margin of proximal antennular segment with acute proximal tooth; lateral margin of scaphocerite without distolateral tooth .................. C. kerstitchi

— Abdomen with large horn-like teeth; carapace with three large horn-like teeth; lateral margin of proximal antennular segment without proximal tooth; lateral margin of scaphocerite with a small distolateral tooth .................................................................................... 2

2. Abdomen with five horn-like teeth; pleura of first three abdominal segments large ........ ................................................................................................................. C. tricornuta

— Abdomen with four horn-like teeth; pleura of first three abdominal segments relatively small ................................................................................................... C. mclaughlinae n. sp.