The Marshalltown Formation is a
Mesozoic geologic
formation
Formation may refer to:
Linguistics
* Back-formation, the process of creating a new lexeme by removing or affixes
* Word formation, the creation of a new word by adding affixes
Mathematics and science
* Cave formation or speleothem, a secondary ...
.
Dinosaur remains diagnostic to the
genus level are among the fossils that have been recovered from the formation.
[Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.]
Dinosaurs known from the formation:
* ''
Hypsibema crassicauda''
* ''
Hadrosaurus'' sp.
*
Nodosauridae indet.
* ''
Dryptosaurus'' sp.
*
Tyrannosauroidea indet.
*
Dromeosauridae indet.
*
Theropoda
Theropoda (; ), whose members are known as theropods, is a dinosaur clade that is characterized by hollow bones and three toes and claws on each limb. Theropods are generally classed as a group of saurischian dinosaurs. They were ancestrally ca ...
indet.
See also
*
List of dinosaur-bearing rock formations
**
List of stratigraphic units with few dinosaur genera
This list of stratigraphic units with few non-avian dinosaur genera includes Mesozoic stratigraphic units of formation rank or higher that have produced dinosaur body fossils
A fossil (from Classical Latin , ) is any preserved remains, i ...
Footnotes
References
* Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. .
Campanian Stage
Cretaceous geology of New Jersey
Cretaceous Delaware
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