- Source: Marlbrook Marl
The Marlbrook Marl is a geologic formation in Arkansas. It preserves fossils dating back to the Late Cretaceous period.
Paleofauna
= Ostracods
== Avians
=Hesperornis
See also
List of fossiliferous stratigraphic units in Arkansas
Paleontology in Arkansas
References
Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.