A new species of the palaemonid shrimp genus Chacella Bruce is described from the Gulf of California, Mexico, in the eastern Pacific, and represents the second known species of this genus. The type-species, Chacella kerstitchi (Wicksten, 1983), was described from a single female captured off the coast of San Carlos, Sonora, in the Central Gulf of California.

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Zoologische Mededelingen

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Naturalis journals & series

Hendrickx, M.E. (1990). A new species of palaemonid shrimp, Chacella tricornuta spec. nov (Crustacea: Decapoda: Palaemonidae) from the southeastern Gulf of California, Mexico. Zoologische Mededelingen, 63(24), 325–334.