North bank of Chesapeake & Delaware Canal: Early/Lower Campanian, Delaware
collected by Ralph Johnson, Ray Meyer, Wayne Cokeley 1975
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Theropoda
- Dryptosauridae
|
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|
Dryptosaurus sp.
Marsh 1877
|
Gallagher 1993 | |||||||||
| YPM-PU 21795 | ||||||||||
|
= Tyrannosauroidea indet.
Walker 1964
|
Brownstein 2017 | |||||||||
| YPM VPPU.021795 (partial left metatarsals II and IV) and YPM VPPU 022416 (caudal centrum); also previously identified as an ornithomimid by Horner (1979) | ||||||||||
|
= Dryptosauridae indet.
Marsh 1890
|
Brownstein 2021 | |||||||||
| YPM VPPU.021795 and YPM VPPU.022416 ("gen. et sp. nov.?") | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Delaware | County: | New Castle |
| Coordinates: | 39.5° North, 75.7° West (view map) | ||||
| Paleocoordinates: | 39.0° North, 45.7° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Early/Lower Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Matawan | Formation: | Merchantville |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | red or brown silty sandstone |
| Includes fossils? | Y |
| Lithology description: reddish-brown silty sandstone | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ) | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | YPM | ||
| Collectors: | Ralph Johnson, Ray Meyer, Wayne Cokeley | Collection dates: | 1975 |
Metadata
| Also known as: | 1.2 km east of Summit Bridge; C&D Canal | ||
| Database number: | 218129 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2021-02-19 03:03:10 | Last modified: | 2022-08-18 04:42:58 |
| Access level: | the public | Released: | 2021-02-19 03:03:10 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 12430. | ETE | D. Baird and P. M. Galton. 1981. Pterosaur bones from the Upper Cretaceous of Delaware. Journal of Vertebrate Paleontology 1(1):67-71 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 75652 | C. D. Brownstein. 2017. A tyrannosauroid metatarsus from the Merchantville Formation of Delaware increases the diversity of non-tyrannosaurid tyrannosauroids on Appalachia. PeerJ 5:e4123 [P. Mannion/P. Mannion] | |
| 82407 | C. D. Brownstein. 2021. Dinosaurs from the Santonian–Campanian Atlantic coastline substantiate phylogenetic signatures of vicariance in Cretaceous North America. Royal Society Open Science 8:210127 [P. Mannion/P. Mannion] | |
| 75654 | S. G. Dalman, S. E. Jasinski, and S. G. Lucas. 2017. First occurrence of a tyrannosauroid dinosaur from the lower Campanian Merchantville Formation of Delaware, USA. Memoir of the Fukui Prefectural Dinosaur Museum 16:29-38 [P. Mannion/P. Mannion] | |
| 54671 | W. B. Gallagher. 1993. The Cretaceous/Tertiary mass extinction event in the North Atlantic coastal plain. The Mosasaur 5:75-154 [M. Carrano/M. Carrano] |