Also known as Byram
Where: Hunterdon County, New Jersey (40.4° N, 75.1° W)
• Paleocoordinates: 13.9° N, 9.3° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lockatong Formation (Chatham Group), Norian (227.3 - 205.7 Ma)
• middle of formation
• bed-level stratigraphic resolution
Environment/lithology: lacustrine - small; calcareous claystone and poorly lithified, gray siltstone
•"gray decimeter-scale siltstone and fine sandstone beds with abundant contorted desiccation cracks, soft sediment deformation"
Size classes: macrofossils, mesofossils
Preservation: trace
Primary reference: P. E. Olsen. 1989. Stop 5.7: Middle Lockatong Formation at Byram, NJ. In P. E. Olsen, R. W. Schlische, & P. J. W. Gore (eds.), Tectonic, Depositional, and Paleoecological History of Early Mesozoic Rift Basins, Eastern North America. Gulf, North Carolina, USA to Parrsboro, Nova Scotia, Canada. July 20–30, 1989. International Geological Congress Field Trip T-351 86-89 [M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 227832: authorized by Matthew Carrano, entered by Matthew Carrano on 04.11.2022
Creative Commons license: CC0 (CC0)
Taxonomic list
| Ostracoda | |
|
Darwinula spp. Brady and Robertson 1885 ostracod | |
| Branchiopoda | |
|
Cyzicus sp. Audouin 1837 clam shrimp | |
|
Palaeolimnadia sp. Raymond 1946 clam shrimp | |
|
Conchostraca indet. Sars 1867 clam shrimp | |
| Reptilia | |
|
Tanytrachelos sp. Olsen 1979 archosauromorph | |
|
? Apatopus sp. Baird 1957 archosaur | |
| Coelacanthimorpha | |
|
Diplurus sp. Newberry 1878 coelacanth | |
| Osteichthyes | |
|
Turseodus sp. Leidy 1857 | |
|
? Synorichthys sp. Schaeffer 1967 | |