Portland Formation
| Portland Formation | |
|---|---|
| Stratigraphic range: Early Jurassic | |
| Type | Geological formation |
| Unit of | Newark Group |
| Sub-units | Deerfield Basin, Turners Falls Sandstone & Mount Toby Formation |
| Lithology | |
| Other | Mudstone, Sandstone, Siltstone, Limestone |
| Location | |
| Region | North America |
| Country |  USA |
The Portland Formation is a geological formation in the northeastern United States. It dates back to the Early Jurassic.[1]
Vertebrate fauna
Dinosaur coprolites located in Massachusetts, USA.[1] Ornithischian tracks located in Massachusetts and Connecticut, USA.[1] Theropod tracks located in Massachusetts and Connecticut, USA.[1] Prosauropod tracks located in Massachusetts and Connecticut, USA.[1]
| Dinosaurs reported from the Portland Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
|
A. major[1] |
|
 | ||||
|
A. polyzelus[1] |
"Nearly complete skull and skeleton, fragmentary skeleton, adult."[2] |
|||||
|
A. solus[1] |
|
|||||
|
P. holyokensis |
|
Partial postcranial skeleton.[3] |
All known remains of this species have been destroyed. | |||
See also
Footnotes
- ^ a b c d e f g h i j k l m n o p Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Jurassic, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 530–532. ISBN 0-520-24209-2.
- ^ "Table 12.1," in Weishampel, et al. (2004). Page 234.
- ^ "Table 3.1," in Weishampel, et al. (2004). Page 48.
References
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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