Allen
149 occ.
55 taxa (3 genera)
1 countries
Description
The Allen Formation is a geological formation in Argentina whose strata date back to the Late Cretaceous (middle Campanian to early Maastrichtian. Dinosaur remains are among the fossils that have been recovered from the formation. Indeterminate chelid remains and other vertebrates have also been discovered in this formation.
Genera
3 genera
Temporal range
252
201
145
66
0 Ma
Geological group / Member
Malargüe / Middle
63
Malargüe / Lower
48
Malargüe
20
Malargüe / Upper
18
Top countries
🇦🇷 Argentina
149
Depositional environments
Terrestrial indet.
79
Fluvial indet.
50
Estuary / bay
5
Lacustrine indet.
4
Marine indet.
4
interdune
3
Marginal marine indet.
2
Lagoonal
1
lacustrine deltaic indet.
1
Top collectors
LACEV
15
J. Powell
13
R. Abel
7
P. Paniceres
3
MPCN
3
Calvo
2
Porfiri
2
Manera de Bianco
2
S. Roth
2
Currie
1
Paulina Carabajal
1
G. W. Rougier
1
Collection activity by decade
1890s
2
1910s
2
1970s
5
1980s
31
1990s
42
2000s
84
2010s
2
2020s
14