Ostracoda and Mollusca biodiversity and hydrochemical features in Late Miocene brackish basins of Italy (Articolo in rivista)

Type
Label
  • Ostracoda and Mollusca biodiversity and hydrochemical features in Late Miocene brackish basins of Italy (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.geobios.2011.10.008 (literal)
Alternative label
  • Ligios S.(a); Anadon P.(b); Castorina F.(c d); D'Amico C. (e); Esu D.(c d); Gliozzi E.(a f); Gramigna P. (g); Mola M.(d); Monegato G.(h) (2012)
    Ostracoda and Mollusca biodiversity and hydrochemical features in Late Miocene brackish basins of Italy
    in GEOBIOS
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ligios S.(a); Anadon P.(b); Castorina F.(c d); D'Amico C. (e); Esu D.(c d); Gliozzi E.(a f); Gramigna P. (g); Mola M.(d); Monegato G.(h) (literal)
Pagina inizio
  • 351 (literal)
Pagina fine
  • 367 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.em-consulte.com/it/article/746139/article/ostracoda-and-mollusca-biodiversity-and-hydrochemi (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 45 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a- Dipartimento di Scienze Geologiche, Università degli Studi Roma Tre, Largo S. Leonardo Murialdo, 1, 00146 Roma, Italy b -Institut de Ciències de la Terra Jaume Almera, ICTJA-CSIC, Calle L. Solé Sabarís sn., 08028 Barcelona, Spain c- Dipartimento di Scienze della Terra, Università degli Studi di Roma La Sapienza, Piazzale A. Moro, 5, 00185 Roma, Italy d -IGAG, CNR c/o Università degli Studi di Roma La Sapienza, Piazzale A. Moro, 5, 00185 Roma, Italy e- Dipartimento STAT, Università degli Studi del Molise, C. da Fonte Lappone, 86090, Pesche (Isernia), Italy f- IGAG, CNR Area della Ricerca Roma 1 Monte Libretti, Via Salaria km 29,300-Monterotondo Stazione, Roma, Italy g- Dipartimento di Scienze della Terra, Università della Calabria, via P. Bucci, Cubo 15b, 87036 Rende (Cosenza), Italy h- IGG., CNR, Via Valperga Caluso, 35, 10125 Torino, Italy (literal)
Titolo
  • Ostracoda and Mollusca biodiversity and hydrochemical features in Late Miocene brackish basins of Italy (literal)
Abstract
  • Late Miocene brackish ostracods and molluscs collected in three Italian basins show noticeable differences in their taxonomic composition, despite their capability of dispersing across wide geographic areas. In the Venetian-Friulian Basin (northern Italy), the upper Tortonian sediments contain oligotypic ostracod assemblages including Hemicyprideis dacica dacica, Hemicytheria pejinovicensis, and Loxoconcha cf. L. josephi and few gastropods referable to Planorbidae and Stenothyroides, which are typical of the central Paratethys. In central Italy, the brackish ostracods and molluscs recovered from upper Tortonian-lower Messinian deposits from four Tuscan basins (Volterra-Radicondoli, Velona, Baccinello-Cinigiano, and Valdelsa) display high affinity at a generic level but strong endemicity at a specific level. At Cessaniti (southern Italy), the upper Tortonian unit contains oligotypic brackish ostracods and molluscs: Mediocytherideis (Sylvestra) posterobursa, Cyprideis ruggierii, Loxoconcha cf. L. biformata, and Zonocypris membranae quadricella characterise the ostracod fauna, while Granulolabium bicinctum and Hydrobia frauenfeldi are the dominant molluscs. The recovered ostracods have a strong affinity with brackish species from central and eastern Palaeo-Mediterranean areas, whereas the molluscs present a Paratethyan origin. Despite the fact that the basins are all brackish and partly coeval, the systematics of these assemblages highlights the absence of common species among the three studied areas. Geochemical analyses (stable isotopes and trace elements) are performed on ostracods, and 87Sr/86Sr ratios are established in molluscs and echinoids. The results suggest brackish environments with different compositions and origins of solutes in the three different areas. The Tuscan basins are characterised by brackish waters, with NaCl-enriched waters coming from aquifers of Triassic evaporite bedrock. The brackish deposits of the Venetian-Friulian Basin and Cessaniti are true marginal marine environments, although the northern basin may have been influenced by both the Paratethyan Sava Basin and the northern portion of the Palaeo-Mediterranean water bodies. (literal)
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