Author:
Riccardi,A.C.
Year:
1988
Title:
The Cretaceous System of southern South America.
Reference:
Riccardi,A.C. (1988) The Cretaceous System of southern South America. Geological Society of America, Memoir # 168 P. 1- 161
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Genus Species Country(Region) From To
Xenascus Xenascus ceratioides South America Turonian Maastrichtian