Figure 1. Adult antennulae from the anterior. There is no trace of the larval lateral spine (arrow; numbers indicate the portions of
the peduncle, abbreviations see Table 2).
Figure 2. Right antennula of Calyptopis II from the anterior.
Figure 3. Right antennula of Calyptopis III from the anterior.
Figure 4. Right antenna of Calyptopis III from lateral. High magnification of the tip of the exopod with its six distal annuli indicated by
rectangle on lower right.
Figure 5. Right mandible of Calyptopis II from the anterior. The left mandible looks similar but lacks the lacinia mobilis (lac). The marked
rectangular section with the lacinia mobilis and the processus incisivus accessorius (pia) is magnified below.