Severn Formation Locality C (Hampton Mall Shopping Center): Maastrichtian, Maryland
collected by G. C. Fonger, R. Johnson, T. A. Miller, & M. Smigaj
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
|
||||||||||
Ornithomimus antiquus
(Leidy 1865)
|
1 specimen | |||||||||
nomen dubium belonging to Ornithomimosauria | ||||||||||
Miller coll. | ||||||||||
Thoracosaurus neocesariensis
(De Kay 1842)
|
||||||||||
Reptilia
- Testudines
|
||||||||||
cf. Trionyx priscus
Cope 1869
|
1 specimen | |||||||||
nomen dubium belonging to Pantrionychidae | ||||||||||
Smigaj coll. | ||||||||||
Peritresius ornatus
(Leidy 1856)
|
4 specimens | |||||||||
Miller, Fonger & Smigaj collns., MAPS A1203a | ||||||||||
cf. Osteopygis emarginatus
Cope 1868
|
1 specimen | |||||||||
Miller coll. | ||||||||||
Reptilia
- Mosasauridae
|
||||||||||
Mosasauridae indet.
Gervais 1852
|
1 specimen | |||||||||
caudal | ||||||||||
Halisaurus platyspondylus
(Marsh 1869)
|
1 specimen | |||||||||
Smigaj coll., cast PU 23627 | ||||||||||
cf. Mosasaurus dekayi
Bronn 1838
|
1 specimen | |||||||||
MAPS A1229a | ||||||||||
Mosasaurus maximus
Cope 1869
|
1 specimen | |||||||||
synonym of Mosasaurus hoffmannii | ||||||||||
MAPS A1202c | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Maryland | County: | Prince George's |
Coordinates: | 38.9° North, 76.8° West (view map) | ||||
Paleocoordinates: | 39.8° North, 52.2° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
*Period: | Late/Upper Cretaceous | *Epoch: | Senonian |
*International age/stage: | Middle Maastrichtian - Late/Upper Maastrichtian | ||
Key time interval: | Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Severn |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | not reported |
Lithology description: none given | |
Environment: | coastal indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | USNM |
Collectors: | G. C. Fonger, R. Johnson, T. A. Miller, & M. Smigaj |
Metadata
Also known as: | Loc. 3a of Brouwers and Hazel | ||
Database number: | 27564 | ||
Authorizer: | J. Alroy, M. Carrano | Enterer: | J. Alroy, M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2002-12-11 15:26:58 | Last modified: | 2008-08-18 11:28:40 |
Access level: | the public | Released: | 2002-12-11 15:26:58 |
Creative Commons license: | CC BY |
Reference information