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- W2002074315 abstract "The Late Triassic (Rhaetian) aetosaur Redondasuchus reseri from the Redonda Formation of eastern NewMexico, U.S.A. is distinguished from all other aetosaurs except Typothorax by its paramedian scutes with ventral keels, and from Typothorax by its paramedian scutes with discontinuous ventral keels. Redondasuchus can be further distinguished from other aetosaurs by its paramedian scutes in which the lateral third is flexed downward approximately 45°. It is the only Rhaetian aetosaur currently known from the United States and is an index taxon for the Apachean land-vertebrate faunachron. A cladistic analysis of the aetosaurs, utilizing both characters derived from armor and other skeletal information, indicates that two distinct grades of aetosaurs exist. There is a basal grade consisting of the paraphyletic assemblage of Aetosaurus and (Stagonolepis + Aetosauroides)), and an advanced grade consisting of the clade Neoaetosauroides + Redondasuchus + ((Longosuchus + Desmatosuchus) + (Paratypothorax + Typothorax))). Integration of the existing aetosaur biochronology with operating cladistic definitions of aetosaur taxa produces a useful biostratigraphy of Upper Triassic strata in the western United States. L'aetosaure Redondasuchus reseri du Trias supérieur (Rhétien) de la Formation de Redonda du Nouveau Mexique oriental (Etat-Unis) est distingué de tous les autres aetosaures sauf Typothorax par ses plaques paramédianes avec carènes ventrales et de Typothorax par ses plaques paramédianes avec carènes ventrales discontinues. Redondasuchus peut être, de plus, distingué des autres aetosaures par ses plaques paramédianes dont le tiers latéral est plié vers le bas à environ 45°. C'est le seul aetosaure rhétien actuellement connu aux Etats-Unis et il est un taxon index pour le faunachron des vertébrés terrestres de l'Apachéen. Une analyse cladistique des aetosaures, utilisant à la fois les caractères dérivés de l'armure et d'autres informations squelettiques, indique qu'il y a deux grades d'aetosaures. Un grade basal correspond au groupement paraphylétique de Aetosaurus et (Stagonolepis + Aetosauroides)) et un grade évolué correspond au clade Neoaetosauroides + Redondasuchus + ((Longosuchus + Desmatosuchus)) + (Paratypothorax + Typothorax))). L'utilisation conjointe de la biochronologie des aetosaures et la définition cladistique des taxons d'aetosaures fournit une biostratigraphie utilisable pour le Trias supérieur de l'Ouest des Etats-Unis." @default.
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- W2002074315 date "1996-01-01" @default.
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- W2002074315 title "Redescription of Redondasuchus reseri,, a Late Triassic aetosaur (Reptilia: Archosauria) from New Mexico (U.S.A.), and the biochronology and phylogeny of aetosaurs" @default.
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- W2002074315 doi "https://doi.org/10.1016/s0016-6995(96)80028-3" @default.
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