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The Mt Perda Liana section (Middle Jurassic central-eastern Sardinia): revised stratigraphy and brachiopod faunas

Journal Article

Dieni I; Massari F; Radulovic V

2013

Bollettino della Società Paleontologica Italiana

52

123-138

The Jurassic in age stratigraphic section of Mt Perda Liana the classic locality of the “Tacchi” area (central-eastern Sardinia) has been studied from a stratigraphic and palaeontologic viewpoint. A rich fauna is contained in a limestone interval comprised\r\nbetween the siliciclastic deposits of the Genna Selole Formation (Bajocian-lowermost Bathonian) and the typical dolostones of the Dorgali Formation. This limestone interval also present in other localities of the “Tacchi” area is here formally distinguished as member of the Dorgali Fm. (Perda Liana Member) due to its peculiar lithology and faunal content. It mainly consists of shelf-lagoonal micritic limestones particularly rich in infaunal bivalves. The presence of the brachiopods Kallirhynchia oranensis (Flamand 1911) and Holcothyris angulata Buckman 1918 allows the attribution of the Perda Liana Member to the Lower Bathonian.

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The Liana Ecology Project is supported by Marquette University and funded in part by the National Science Foundation.