Boonton tracksite (Jurassic of the United States)

Where: Morris County, New Jersey (40.9° N, 74.4° W: paleocoordinates 22.7° N, 19.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Boonton Formation (Agawam Group), Sinemurian (199.3 - 190.8 Ma)

• Olsen (1980) reports four track-bearing levels of similar lithology.

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; coarse, gray sandstone and concretionary, dolomitic, red sandstone

Size class: macrofossils

Preservation: mold/impression, trace

Collected by I. C. Russell, E. D. Carter, P. Olsen in the 1880s, 1920s, 1980s

Collection methods: surface (in situ), ,

Primary reference: C. H. Hitchcock. 1889. Recent progress in ichnology. Proceedings of the Boston Society of Natural History 24(8):117-127 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 91695: authorized by Matthew Carrano, entered by Matthew Carrano on 15.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Eubrontidae
"Brontozoum approximatum" = Eubrontes (Brontozoum) approximatus Hitchcock 1865 theropod
Grallator formosus Hitchcock 1858 theropod