Figure 8. Juvenile Stage I in Postembryonic development in freshwater crayfish (Decapoda: Astacidea) in an evolutionary context

Figure 8. Juvenile Stage I of Procambarus virginalis. (A) Antenna 1, dorsal view; (B) antennal scale, dorsal view; (C) antenna 2, dorsal view; (D) mandible, view of inside of mouth; (E) maxilla 1, oral view; (F) maxilla 2, oral view; (G) first maxilliped, oral view; (H) second maxilliped, oral view; (I) third maxilliped, oral view; (J) pleopod. Scale bars: 0.25 mm.