Figure 8. Serrate setae. A in Revising the definition of the crustacean seta and setal classification systems based on examinations of the mouthpart setae of seven species of decapods

Figure 8. Serrate setae. A, typical serrate setae from the endopod of maxilla 1 of Cherax quadricarinatus. Denticles in two strict rows on the distal half. B, serrate seta with setules (arrow). Arrowhead indicates denticles. C, tip of serrate seta with terminal pore (arrow). No denticles, only scale-like setules near the tip (arrowhead). D, partial (arrows) and complete fusion of denticles on serrate seta from Penaeus monodon. E, serrate setae on the dactylus of maxilliped 3 of Palaemon adspersus. F, serrate setae on the dactylus of maxilliped 2 of Pe. monodon. Abbreviation: Se, serrate setae.