Agaronia testacea (Lamarck, 1811)

Distribution: Temperate Northern Pacific realm, Warm Temperate Northeast Pacific province  (Cortezian ecoregion).  Tropical Eastern Pacific realm. Tropical East Pacific province. Mexican Tropical Pacific ecoregion. Chiapas-Nicaragua ecoregion. Nicoya ecoregion. Panama Bight ecoregion. From Mexico to Panama (López, Montoya & López, 1988).

RV 6954. Mexico, Sonora, El Golfo de Santa Clara; in sand at low tide. Scale bar is 1 cm.