| |
| | [No title] |
 | | The section are located in the NW of the Bou Regreg Basin, which formed during the Upper Miocene the well known South Rifian Corridor, an strait of Atlantic and Mediterranean water exchange before the Messinian salinity crisis. |
 | | The Oued Arjat area have more Molluscan taxa than that of the Asilah basin, also in the NW of Morocco, of the same age but of infralittoral bathymetry, and where we have found 91 Molluscan taxa, belonging SFBC biocoenosses (González Delgado et al, 1996). |
 | | Nevertheless, the number of taxa is half than the Huelva area, in the W of the Guadalquivir basin (Spain), (SFBC and DC biocoenosses: González Delgado et al, 1994). |
| rcans.usal.es /Absal/absal21.html (655 words) |
|