Locality	Layer
	Mexico, Coahuila, Arroyo La Colorada	La Colorada bed 59 Newell 1957
	Mexico, Coahuila, Arroyo La Colorada	La Colorada bed 63 Newell 1957
	Mexico, Coahuila, Arroyo La Colorada	La Colorado bed 64 Newell 1957