Author:
Cramer,F.H.;Rodriguez,R.
Year:
1977
Title:
Robledo and Arroyacas Formation, (Arroyo de Las Arroyacas, Province of Palencia, Spain) palynologically dated as Late Silurian.
Reference:
Cramer,F.H. et al. (1977) Robledo and Arroyacas Formation, (Arroyo de Las Arroyacas, Province of Palencia, Spain) palynologically dated as Late Silurian. Breviora Geologica Asturica Vol. 21 # 1 P. 2- 4
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Genus Species Country(Region) From To
Veryhachium Veryhachium trispinosum Spain Late Ludlovian Gedinnian