A serpulid-Anodontia-dominated methane-seep deposit from the upper Miocene of northern Italy
MetadataShow full item record
KeywordGastropoda; Scleractinia; Serpulidae; Bivalvia; Lucinidae; Bathymodiolinae; Methane seep; Miocene; Italy; Apennines
A limestone deposit with an unusual fauna is reported from the late Miocene of northern Italy (Ca’ Fornace site). The petrography of the carbonate and its distinct carbon isotope signature (with δ13C values as low as -57.6‰) clearly identify this limestone as an ancient methane-seep deposit. The dominant faunal elements are serpulid tubes belonging to Protis, and extremely inflated, medium-sized shells of the lucinid bivalve Anodontia mioinflata sp. nov. Also common is the small bathymodiolin Idas aff. tauroparva, plus some large specimens of the lucinid Lucinoma, and poorly preserved, medium-sized specimens of a possible vesicomyid bivalve, an arcid bivalve, small gastropods of the genera Laeviphitus (Elachisinidae), Anatoma (Scissurellidae), as well as desmophyliid and caryophyllid scleractinian corals. This faunal assemblage is quite distinct from the typical Miocene seep faunas in northern Italy, which are dominated by large bivalves of the Lucinidae (Meganodontia), Vesicomyidae (Archivesica), and Bathymodiolinae, possibly due to a shallower depositional depth of the Ca’ Fornace site.
© The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Acta Palaeontologica Polonica 63 (2018): 569-577, doi:10.4202/app.00472.2018.
Suggested CitationActa Palaeontologica Polonica 63 (2018): 569-577
The following license files are associated with this item:
Showing items related by title, author, creator and subject.
Early Miocene Mollusca from McMurdo Sound, Antarctica (ANDRILL 2A drill core), with a review of Antarctic Oligocene and Neogene Pectinidae (Bivalvia) Beu, Alan; Taviani, Marco (2013-06)Retrotapes andrillorum n. sp., Hiatella cf. arctica (Linnaeus, 1767), ?Yoldia sp. (internal mould), and six taxa of Pectinidae are reported from the Burdigalian section of the ANDRILL 2A core, drilled in McMurdo Sound, ...
Paleochannel and beach-bar palimpsest topography as initial substrate for coralligenous buildups offshore Venice, Italy Tosi, Luigi; Zecchin, Massimo; Franchi, Fulvio; Bergamasco, Andrea; Da Lio, Cristina; Baradello, Luca; Mazzoli, Claudio; Montagna, Paolo; Taviani, Marco; Tagliapietra, Davide; Carol, Eleonora; Franceschini, Gianluca; Giovanardi, Otello; Donnici, Sandra (Nature Publishing Group, 2017-05-02)We provide a model for the genesis of Holocene coralligenous buildups occurring in the northwestern Adriatic Sea offshore Venice at 17–24 m depth. High-resolution geophysical surveys and underwater SCUBA diving reconnaissance ...
Chemosymbiotic bivalves from the late Pliocene Stirone River hydrocarbon seep complex in northern Italy Kiel, Steffen; Taviani, Marco (Instytut Paleobiologii PAN, 2018-06-26)Seven species of chemosymbiotic bivalves are described from the late Pliocene Stirone River hydrocarbon seep complex in northern Italy, including one new species and two in open nomenclature. The known species are the ...