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



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Baeza Carratalá, José F. and Pérez Valera, Juan Alberto and Pérez Valera, Fernando (2018) The oldest post-Paleozoic (Ladinian, Triassic) brachiopods from the Betic Range, SE Spain. Acta Palaeontologica Polonica, 63 (1). pp. 71-85. ISSN 0567-7920, ESSN: 1732-2421

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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.

Item Type:Article
Uncontrolled Keywords:Brachiopoda, Zeillerioidea, palaeobiogeography, Triassic, Ladinian, Spain
Subjects:Sciences > Geology > Paleontology
ID Code:49850
Deposited On:30 Oct 2018 18:10
Last Modified:11 Dec 2018 08:41

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