Data/hora: 19/05/2024 04:19:27

Provedor de dados: 	Anais da Academia Brasileira de Ciências	
País: 	Brazil	
Título: 	A new Mammutidae (Proboscidea, Mammalia) from the Late Miocene of Gansu Province, China	
Autores: 	MOTHÉ,DIMILA; AVILLA,LEONARDO S.; ZHAO,DESI; XIE,GUANGPU; SUN,BOYANG.	
Data: 	2016-03-01	
Ano: 	2016	
Palavras-chave: 	Evolution; Longirostrine symphysis; Mammutidae; Miocene; Proboscidea.	
Resumo: 	ABSTRACT The "Yanghecun specimen", a proboscidean specimen represented by a mandible from Miocene of China and previously described as Gomphotheriidae, is here reviewed and described as a new genus and species of Mammutidae: Sinomammut tobieni. This taxon is a longirostrine mastodon, lacking lower tusks, and bearing a wide last molar with oblique and non-inflated lophids, broad transverse interlophids, and yoke-like wear figures. Phylogenetic analysis of Mammutidae based on dental and mandibular features recovered S. tobieni as sister group of the mastodon Mammut. The longirostrine condition and the well-developed lower incisors seem to be primitive for Mammutidae, while the brevirostry is the derived condition, probably emerged during the middle Miocene (12-11 Mya). However, two derived conditions are recognized to the lower tusks: the absence of lower tusks (S. tobieni) and the occasional presence of vestigial lower tusks (Mammut).	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000100065	
Editor: 	Academia Brasileira de Ciências	
Relação: 	10.1590/0001-3765201520150261	
Formato: 	text/html	
Fonte: 	Anais da Academia Brasileira de Ciências  v.88 n.1 2016	
Fonte: 	info:eu-repo/semantics/openAccess