Pleistocene Calabrian and Sicilian bioprovinces

Bonfiglio, Laura; Mangano, Gabriella; Marra, Antonella Cinzia; Masini, Federico; Pavia, Marco; Petruso, Daria

doi:10.1016/s0016-6995(02)00046-3

Cited by 78 publications

(120 citation statements)

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“…This suggests that the colonization of this island from the coasts of North Africa took place during Early Pleistocene, implying connections between Africa and Sicily in this period, as also proposed by anthropologists and paleontologists (see Vaufrey,'29;Kelling and Stanley,'72;Alimen,'75). Recently, the possible existence of such connections was re-considered by Bonfiglio and Piperno ('96) and Bonfiglio et al (2002), hypothesizing a possible African provenance for both Elephas falconeri and human populations through the Sicilian-Tunisian isthmus, as a result of tectonic controlled changes of sea depth during Early Pleistocene. However, without a ''land bridge'' between Sicily and The test was carried out on the basis of both pair-wise differences between haplotypes (first line of each hierarchical level) and haplotype frequencies (second line of each hierarchical level).…”

Section: Discussionmentioning

confidence: 99%

“…The dispersal to the mainland might have occurred during the temporary connections between Sicily and southern Italy. These connections were more frequent and extensive during the Late Middle Pleistocene and Late Pleistocene (see Bonfiglio et al, 2002), but evidence from the Quaternary faunal assemblages of Sicily suggests that connections between this island and the peninsula occurred also in the early part of this period (see Villa, 2001).…”

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confidence: 99%

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Phylogeographic inferences from the mtDNA variation of the three‐toed skink, Chalcides chalcides (Reptilia: Scincidae)

et al. 2007

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Genetic diversity was analyzed in Chalcides chalcides populations from peninsular Italy, Sardinia, Sicily and Tunisia by sequencing 400 bp at the 5 0 end of the mitochondrial gene encoding cytochrome b (cyt b) and by restriction fragment length polymorphism (RFLP) analysis of two mitochondrial DNA segments (ND-1/2 and ND-3/4). The results of the phylogenetic analysis highlighted the presence of three main clades corresponding with three of the four main geographical areas (Tunisia, Sicily and the Italian peninsula), while Sardinia proved to be closely related to Tunisian haplotypes suggesting a colonization of this island from North Africa by human agency in historical times. On the contrary, the splitting times estimated on the basis of cyt b sequence data seem to indicate a more ancient colonization of Sicily and the Italian Peninsula, as a consequence of tectonic and climatic events that affected the Mediterranean Basin during the Pleistocene. Finally, the analysis of the genetic variability of C. chalcides populations showed a remarkable genetic homogeneity in Italian populations when compared to the Tunisian ones. This condition could be explained by a rapid post-glacial expansion from refugial populations that implied serial bottlenecking with progressive loss of haplotypes, resulting in a low genetic diversity in the populations inhabiting the more recently colonized areas.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Phylogeographic inferences from the mtDNA variation of the three‐toed skink, Chalcides chalcides (Reptilia: Scincidae)

et al. 2007

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“…Overall, this F.C. denotes the occurrence of an insular system consisting of very isolated small islands, with difficult and sporadic connections with the mainland (Bonfiglio, 1992;Bonfiglio et al, 2002b).…”

Section: Late Miocene-pleistocene Populations Of Sicilian Insular Commentioning

confidence: 99%

Origination and extinction patterns of mammals in three central Western Mediterranean islands from the Late Miocene to Quaternary

Masini¹,

Petruso²,

Bonfiglio

et al. 2008

Quaternary International

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An overview of the population histories of three insular realms (Gargano palaeo-archipelago, Sardinia-Maritime Tuscany palaeobioprovince and the Sicilian insular complex) during the Late Miocene and Quaternary are here presented. The complexity of biodiversity changes in the islands is analysed to propose an interpretation of origination and extinction patterns. The study highlighted several important aspects of insular faunas. Evolutionary radiations were found to contribute significantly only to the Gargano faunal diversity, likely because the area was an archipelago at the time.Another interesting result is that large and small mammals do not disperse and become extinct all at the same time on each island. In fact, because of their distinct body sizes, large and small mammals have different dispersal ability and therefore different chances to cross-filtering barriers. But distinct body sizes means also different influence on diversity, resistance to environmental changes and likelihood of extinction. Another important point is that large mammalian carnivores at the top of the trophic net are quite more fragile and susceptible to become extinct than other predators.The study finally shows the clear influence that the intense Middle and Late Pleistocene climate-driven environmental changes had on island communities. The reconstruction of the faunal histories of Sardinia and Sicily shows that without exchanges with the mainland the island system represents a rather stable refuge area not too affected by the changes in the ''physical'' parameters of the environment. In contrast, if the island is frequently connected with the continent, insular faunal assemblages tend to behave as their mainland counterparts. r

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“…viridis were described on the basis of several isolated dentaries and maxillae from the late Miocene (MN 11) localities of Kohfidish in Austria (Tempfer 2004) and Polgárdi in Hungary (Venczel 2006). The great majority of fossil L. viridis, however, are documented from the late Pliocene (Ivanov 2007) and Pleistocene of Europe (Bonfiglio et al 2002). The new material of green lizard as described below from the lower Miocene locality of Dolnice near Cheb (MN 4b) is much older than previously described specimens and, therefore, our knowledge of its evolution is expanded by providing new data on its spatial and temporal ranges and morphology.…”

Section: Introductionmentioning

confidence: 95%

Earliest world record of green lizards (Lacertilia, Lacertidae) from the Lower Miocene of Central Europe

Čerňanský

2010

Biologia

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Abstract:The earliest world record of the green lizards, Lacerta viridis group, is described from the lower Miocene of Central Europe. The fossils come from greenish, calcareous marls and limnic clayey silts of the Ottnangian zone MN 4 of the Dolnice locality near Cheb in the Czech Republic. Sediments are interpreted as marginal, riparian facies. The material consists of isolated frontal bones of two different ontogenetic stages and one isolated fragment of parietal. Their morphology is identical to that of the extant members of the L. viridis group. However, the fossil material is much older than the previously described specimens of green lizards. Therefore, this finding extends our knowledge about the evolution and stratigraphic range of the group and about composition of the early Miocene herpetofauna in central Europe.

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Pleistocene Calabrian and Sicilian bioprovinces

Cited by 78 publications

References 6 publications

Phylogeographic inferences from the mtDNA variation of the three‐toed skink, Chalcides chalcides (Reptilia: Scincidae)

Phylogeographic inferences from the mtDNA variation of the three‐toed skink, Chalcides chalcides (Reptilia: Scincidae)

Origination and extinction patterns of mammals in three central Western Mediterranean islands from the Late Miocene to Quaternary

Earliest world record of green lizards (Lacertilia, Lacertidae) from the Lower Miocene of Central Europe

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