the southieasten> extension of the LTB (A]cacer do Sal I'e- gion), and in Meline (50) (Cetacea &> Zbyszewski, II954).

Only one locality in Algarve (Fig. 4) had so far been referred in the literature as yielding niarine niaitirnai reniains: Ollhos dc AgUB (55), frGIII vvhcre both Sil en18 Bnd Cctacca were described (Aiitunes, 1979). This and Santa Margarida do Sado are the Only PortugUcse loc81itics whicre slrenians 8/Id cctaccans v/ere simvltancously recorded. Thc Invcn- toly Qf thc PortUgucsc cGllectlQIIS rcvcalcd further UIIdcscilbcid spcclliicIIs Qf cctaccaiis frGHl thei Mloccnc Gf Algarve, collected at CCITQ das Mos (54) and Caccia (56).

Tlic stratigraphic distr lbutlon Gf 'thc 56 Ncogeiic localities wbci c ITIBrlIlc O'Iamniais were recorded Is

sllnMlalIZCd in 1" ig. 5.

Marine Iil8inIIIBls Occur ln 81IIIOSt CVCry PGItuguese Micceiie Inariiie uiiit, from the earliest ones Bt. the distal region of the LTH (Aquitanian DS Al), to the latest ones at the Alvalade Basin (late Mcssiiiian„EsbaiTQndadoiro Formation). Inversely, only the littoral Inarine sands at Olhos de Agua (55), in Algarve, could be referred to the Phoceiie,t according to a recent "'SrP"Sr ISGtOpic datation of a Inoilusk bed located just above the sands (Antunes er: Irl., 2000b), The vertebrates found in 8 lower stratigraphic level (a~ng wlIIch the niarIIIC mammals), seem however to indicate a Middle to Late Miocene age (Antunes„1979). These nMy thUs constitute 8 rcdcpositcd association (Alitunes, personal comniunicatlon),

Fig. 5 also shows significant differences between the groups of n'18firlc nlIBITIInals ln what conccx'Iis their