Biometría de Strombus bubonius Lamark 1791 del yacimiento de Cerro Largo (Roquetas de Mar, Almería)

Abstract

This paper deals with a comparative metrical study of the mesogastropods Strombus bubonius and Strombus latus. The former from the raised marine deposits of Cerro Largo (Roquetas de Mar, Almería) of Middle Pleistocene age, and the second still living in the Gulf of Guinea and Cabo Verde Islands. The high correlation between length and maximum width reveals a positive allometrical relationship in fossil and living species. There is a good metrical coincidence between Cerro Largo S. bubonius representatives and S. latus from Cabo Verde, while S. latus representatives from Guinea and Senegal reach larger sizes. It is postulated that a partially developed sexual dimorphism explains the co-occurrence at the same beds of small and big sized S. bubonius shells