Ascidonia pusilla is a species of caridean shrimp (true shrimps) that belongs to the family Palaemonidae. This species can be found in the Eastern Pacific Ocean along the coast of Ecuador.Fransen, C.. (2002). Taxonomy, phylogeny, historical biogeography, and historical ecology of the genus Pontonia Latreille (Crustacea: Decapoda: Caridea: Palaemonidae). Zoologische Verhandelingen. 336. 1-433.
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