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Paleoecology and paleoenvironments of Permian bivalves of the Serra Alta Formation, Brazil: Ordinary suspension feeders or Late Paleozoic Gondwana seep organisms?
(Journal Of South American Earth Sciences, 2017-08-01) [Artigo]
This is the first record of a Permian seep deposit and an associated, morphologically bizarre, bivalve-dominated fauna from the Passa Dois Group, Parana Basin, Brazil. Shales of the outer-shelf facies of the Serra Alta ...
Permian endemic bivalves of the Irati anoxic event, Parana Basin, Brazil: Taphonomical, paleogeographical and evolutionary implications
(Palaeogeography Palaeoclimatology Palaeoecology, 2017-03-01) [Artigo]
Anoxic to dysoxic conditions must have existed in the Parana Basin during the deposition of the Permian oil-bearing shales of the Irati Formation, reflecting the marine isolation of the basin from the Panthalassic Ocean. ...