Data/hora: 09/06/2024 07:41:49

Provedor de dados: 	103	
País: 	Brazil	
Título: 	Morphological description of Dipturus mennii (Chondrichthyes: Elasmobranchii: Rajidae) and its differentiation from Dipturus trachyderma	
Autores: 	Moreira,Renan A; Gomes,Ulisses L; Carvalho,Marcelo R. de.	
Data: 	2011-02-01	
Ano: 	2011	
Palavras-chave: 	Rajinae; Skates; Southwestern Atlantic Ocean; Taxonomy.	
Resumo: 	Squamation patterns and skeletal anatomy (neurocranium, visceral arches, synarcual cartilage, scapulocoracoid, puboischiadic bar, and mixopterigium) of Dipturus mennii Gomes &amp;amp; Paragó, 2001 are described as a contribution to our limited knowledge of the anatomy of species of Dipturus Rafinesque, 1810. The hyoid and branchial arches, as well as the synarcual cartilage, are described for the first time in this species. We provide morphological comparisons of this species with Dipturus trachyderma (Krefft &amp;amp; Stehmann, 1975), a species that may be confused with D. mennii; we further corroborate, through anatomical features, that these species warrant separate taxonomic recognition. The main differences between D. mennii and D. trachyderma were found in squamation of the nuchal and middisc region, neurocranium, pectoral girdle, and principally the clasper skeleton. The morphology of the pelvic girdle is similar in both species. Dipturus is characterized by having the ventral terminal cartilage J-shaped (as opposed to the Z-shaped ventral terminal cartilage in Zearaja, whose species were, until recently, placed in Dipturus). Additional characters that may be derived for Dipturus include the anterior rostral groove and elevated rostral proportions	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100014	
Editor: 	Sociedade Brasileira de Zoologia	
Relação: 	10.1590/S1984-46702011000100014	
Formato: 	text/html	
Fonte: 	Zoologia (Curitiba)  v.28 n.1 2011	
Fonte: 	info:eu-repo/semantics/openAccess