Figure 4: Palaemonidae: <i>Periclimenaeus caraibicus</i> and Hymenoceridae: <i>Hymenocera picta</i>.
<dl><dd>Palaemonidae (Pontoniinae): Periclimenaeus caraibicus, (A) pars molaris of right mandible; (B) pars molaris of right mandible (spine-like tuft of Type II cuticular structures indicated by white arrow); (C) pars molaris of left mandible. Hymenoceridae: Hymenocera picta, (D) right mandible; (E) distal end of pars molaris of right mandible; (F) distal end of pars molaris of left mandible. Scale bars indicate 20 µm (A and B), 100 µm (D), 50 µm (C, E and F).</dd></dl>
Ashelby CW, De Grave S, Johnson ML. 2015. Preliminary observations on the mandibles of palaemonoid shrimp (Crustacea: Decapoda: Caridea: Palaemonoidea) <i>PeerJ</i> 3:e846 <a rel="nofollow" class="external free" href="https://doi.org/10.7717/peerj.846">https://doi.org/10.7717/peerj.846</a>
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