Mesolamprops dillonensis Gladfelter, 1975
Mesolamprops dillonensis Gladfelter, 1975: 246–247, fig. 3.
Type material. Holotype: USNM 43867, adult male. Dillon Beach, California.
Diagnosis. Carapace with 2 lateral ridges, dorsal crest entire. Pleon not including telson shorter than carapace and pereonites together. Telson with 6 lateral setae, 3 terminal setae, central seta short. Adult male antennal flagellum long, extending to end of pleon; pleopod rami equal, lateral ramus biarticulate, medial ramus uniarticulate.
Depth. 13–21 m.
Distribution. Dillon Beach, California, 38°N, 123°W.
Remarks. This is the only species of Mesolamprops with lateral ridges on the carapace.