IUCN / SSC Cat Specialist Group - Digital Cat Library |
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| Delfino, M. | |
| The middle pleistocene herpetofauna of Valdemino cave (Liguria, north-western Italy) | |
| 2004 Herpetological Journal (14): 113-128 | |
The herpetofauna from the Middle Pleistocene cave deposit of Valdemino (Borgio Verezzi, Liguria, north-western Italy) is represented by the following taxa: _Triturus sp., Speleomantes sp., Pelodytes punctatus, Bufo bufo, Hyla gr. H. arborea, Rana dalmatina, Testudo hermanni, Tarentola cf. T. mauritanica, Anguis fragilis, Lacerta gr. L. viridis, Lacertidae indet., Coronella cf. C. austriaca, Elaphe sp., Hierophis viridiflavus, Malpolon monspessulanus, Colubrines indet., Natrix natrix and Vipera aspis_. The most striking characteristic of the Valdemino assemblage is its modernity: all the identified taxa are members of the modern herpetofauna of western Liguria, including Pelodytes and Malpolon (identified for the first time in the Italian fossil record), that nowadays differentiate the western Ligurian herpetofauna from that of all the neighbouring Italian regions. The modernity of the herpetofauna sharply contrasts with the associated mammal fauna that still hosts, among others, Barbary ape, elephant, rhinoceros, leopard and sabre-toothed tiger. The assemblage testifies that the Ligurian herpetofauna was already established in the Middle Pleistocene and that it is not the result of post Wurmian dispersal, although cyclical immigrations (from Iberian or French refugia) during warm stages, followed by extinctions during the cold ones, cannot be ruled out. |
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