Figure 6 from: Carvalho FL, Magalhães C, Mantelatto FL (2014) Molecular and morphological differentiation between two Miocene-divergent lineages of Amazonian shrimps, with the description of a new species (Decapoda, Palaemonidae, Palaemon). In: Wehrtmann IS, Bauer RT (Eds) Proceedings of the Summer Meeting of the Crustacean Society and the Latin American Association of Carcinology, Costa Rica, July 2013. ZooKeys 457: 79-108. https://doi.org/10.3897/zookeys.457.6771

Figure 6 - Commonest shape of the rostrum. Palaemon carteri (a MPEG 787), Palaemon ivonicus (b INPA 128) and Palaemon yuna sp. n. (c CCDB 4866).