New distribution ranges and records of caridean shrimps (Crustacea: Decapoda: Caridea) from the west coast of Mexico

geographic records are presented for 24 species of caridea (crustacea: decapoda) along pacific coast of mexico, in the east pacific. new records are presented for psathyrocaris fragilis wood-mason, 1893 (from peru to mexico), periclimenes infraspinis (rathbun, 1902), pontonia margarita smith, 1869, alpheus cristulifrons rathbun, 1900, alpheus umbo kim & abele, 1988, automate rugosa coutière, 1900, and lysmata californica (stimpson, 1866) (within the gulf of california), and typton hephaestus holthuis, 1951 (from the gulf of california to the gulf of tehuantepec, mexico). aditional records are given that establish the presence of species at intermediate localities within the gulf of california and along the southwestern coast of mexico.