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Obruchevacanthus ireneae gen. et sp. nov., a new Ischnacanthiforme (Acanthodii) from the Lower Devonian of Spain

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Obruchevacanthus ireneae gen. et sp. nov., a new Ischnacanthiforme (Acanthodii) from the Lower Devonian of Spain

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dc.contributor.author Botella Sevilla, Hector
dc.contributor.author Manzanares, E.
dc.contributor.author Ferrón, Humberto G.
dc.contributor.author Martínez Pérez, Carlos
dc.date.accessioned 2023-03-01T16:29:09Z
dc.date.available 2023-03-01T16:29:09Z
dc.date.issued 2014
dc.identifier.citation BOTELLA, H. MANZANARES, E. FERRON, H. G. MARTÍNEZ-PÉREZ, C. 2014 Obruchevacanthus ireneae gen. et sp. nov., a new Ischnacanthiforme (Acanthodii) from the Lower Devonian of Spain Paleontological Journal 48 10 1067 1076
dc.identifier.uri https://hdl.handle.net/10550/85561
dc.description.abstract New disarticulated material of typically ischnacanthid scales, tooth whorls, and ?dentigerous jaw bones that occur recurrently together at many levels of the Lower Devonian of the Iberian Chain (Spain) is described. Based on their stratigraphical occurrence, histological evidence and comparison with similar ischnacanthid assemblages from other localities, we suggest including all of these remains in a unique natural assemblage, Obruchevacanthus ireneae gen. et sp. nov. This new taxon shares some features with Trundlelepis cervicostulata from the Lower Devonian of New South Wales (Australia), as for example the presence of a poorly developed pore canal system in their scales. This feature suggests close phylogenetic relationship between the two taxa, supporting their assignment to the family Poracanthodidae. However, as this porecanal system is only present in a few percents of the total scales and it is very poorly developed in both Obruchevacanthus ireneae gen. et sp. nov. and Trundlelepis cervicostulata, they could represent a derived group of poracanthodids. These new data provided here increase our knowledge of the taxonomic diversity and evolution of the order Ischnacanthiformes, being so far the only ischnacanthid present at the studied area.
dc.language.iso eng
dc.relation.ispartof Paleontological Journal, 2014, vol. 48, num. 10, p. 1067-1076
dc.subject Paleontologia
dc.title Obruchevacanthus ireneae gen. et sp. nov., a new Ischnacanthiforme (Acanthodii) from the Lower Devonian of Spain
dc.type journal article es_ES
dc.date.updated 2023-03-01T16:29:09Z
dc.identifier.doi 10.1134/S0031030114100025
dc.identifier.idgrec 097060
dc.rights.accessRights open access es_ES

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