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The oldest post-Paleozoic (Ladinian, Triassic) brachiopods from the Betic Range, SE Spain

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Baeza-Carratala J. F., Perez-Valera F., Perez-Valera J. A.

Acta Palaeontologica Polonica

2018

tom 63

nr 1

Triassic brachiopods from the Betic Range were unknown hitherto. Herein we describe the first brachiopod occurrences in the early Ladinian of this domain referable to a new genus and species Misunithyris goyi derived from three localities of the south-Iberian Triassic outcrops. The analysis of internal and external characters of this brachiopod allowed to characterize systematically and biogeographically this fauna in a chronostratigraphic interval when the paucity of brachiopod records is attributable to the entire peri-Iberian epicontinental platform system established in the westernmost Tethyan margin. The new record is endemic to the Betic Range and represents a new faunal constituent of the multicostate zeillerids stock. This fauna inhabited the epicontinental seas of the Sephardic bioprovince since a closer affinity with the low-latitude Tethyan assemblages is revealed. The possible linkage of the Triassic stock with the Early–Middle Jurassic multicostate zeillerid representatives suggests feasible phylogenetic relationships between both groups.

Ograniczanie wyników

1 Acta Palaeontologica Polonica

1 Baeza-Carratala J. F.

1 Perez-Valera F.

1 Perez-Valera J. A.

1 2018

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The oldest post-Paleozoic (Ladinian, Triassic) brachiopods from the Betic Range, SE Spain