Metabuscador - UMAD

Aproximadamente 2 registro(s) hasta el momento: (journal)

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Recurso libre

1.

The oldest stratigraphic record of the Late Cretaceous shark Ptychodus mortoni Agassiz, from Vallecillo, Nuevo León, northeastern Mexico
Blanco-Piñón,Alberto - Garibay-Romero,Luis M. - Alvarado-Ortega,Jesús

Formato:	journal article
Enlaces:	In this paper we report the oldest geologic world record of Ptychodus mortoni, from the Vallecillo Member (Agua Nueva Formation), at Vallecillo, Nuevo León, northeastern Mexico. The presence of the ammonite Watinoceras coloradoense, allows the placement of the sediments of…
Fecha:	2007-04-01
Recurso:	SCIELO

Recurso libre

2.

Review of Vallecillichthys multivertebratum (Teleostei: Ichthyodectiformes), a Late Cretaceous (early Turonian) "Bulldog fish" from northeastern Mexico
Blanco-Piñón,Alberto - Alvarado-Ortega,Jesús

Formato:	journal article
Enlaces:	A complete description of Vallecillichthys multivertebratum Blanco and Cavin, 2003, is provided. This ichthyodectiform fish was collected in the Vallecillo Member of the Agua Nueva Formation (Upper Cretaceous: lower Turonian) at Vallecillo, Nuevo León State, northeastern Mexico. On the basis…
Fecha:	2007-12-01
Recurso:	SCIELO