Presence of tropical mollusks from the panamanian province in the central coast of Peru ano relation with the events "el niño

The discovery 01 mollusks- That normally are distributed in the boundaries of Panamanian Province-in many localities ofthe Peruvian Province between years 1972 and 1994, period in which several events appeared " El Niño . Fifteen species of mollusks was possible determine, that extend own distribution: Pteria stema, Orobitella peruviana, Cryptomya californica, Cerithium (T.) stercusmuscarum, Malea ringens, Hexaplex brassica, Thais styllmanberryi, T. (M.) triangularis, T. (T.) callaoensis, Acanthina brevidentata, Purpura pansa, Neorapana muricata, Anachis (C.) nigrícans, Cancellaria (C.) decussata and C. (8.) chrysostoma. Variability in the boundaries of the biogeographics provinces of the Peruvian Coast, controlled by the ENSO, has been postuled.