Search results for "Rhina ancylostoma"

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New insights into the enameloid microstructure of batoid fishes (Chondrichthyes)

2016

Chondrichthyan teeth are capped with a hypermineralized tissue known as enameloid. Its microstructure displays a hierarchical organization that has increased in structural complexity from a homogenous single-crystallite enameloid (SCE) in early Chondricthyans to the complex multilayered enameloid found in modern sharks (consisting of bundles of crystallites arranged in intriguing patterns). Recent analyses of the enameloid microstructure in batoid fishes, focused on Myliobatiformes and fossil taxa, point to the presence of a bundled (or fibred) multilayered enameloid, a condition proposed as plesiomorphic for Batoidea. In this work, we provide further enameloid analysis for a selection of t…

0106 biological sciencesMyliobatiformes010506 paleontologybiologySem analysisRhina ancylostomaBiodiversityEnameloidbiology.organism_classificationMicrostructure010603 evolutionary biology01 natural sciencesChondrichthyesSymplesiomorphyPaleontologyEvolutionary biologyBatoideaAnimal Science and ZoologyEcology Evolution Behavior and SystematicsTaxonomy0105 earth and related environmental sciencesZoological Journal of the Linnean Society
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