Riker Hill Quarry (unit 18) (Jurassic of the United States)

Also known as Roseland Quarry, Riker Hill Fossil Site, Walter Kidde Dinosaur Park

Where: Essex County, New Jersey (40.8° N, 74.3° W: paleocoordinates 21.4° N, 20.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: B Member (Towaco Formation), Hettangian (201.3 - 199.3 Ma)

• unit 18 = bed n = Unit f

•Includes beds 18a, 18b, 18c

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; fine-grained, red mudstone and sandstone

• "relatively fine-grained red, gray, and black units, mostly mudstone and fine sandstone"

Size classes: macrofossils, mesofossils

Preservation: cast, mold/impression, trace

Collected in 1968

Collection methods: quarrying, surface (in situ),

Primary reference: Anonymous. 1970. The dinosaurs finally win one. Life 69(24):73-74 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 55527: authorized by Matthew Carrano, entered by Matthew Carrano on 30.10.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Moyenisauropodidae
Anomoepus crassus1 Hitchcock 1889 ornithopod
Anomoepus scambus2 Hitchcock 1848 ornithopod
NJSM 19325, 20321 and others
 Theropoda -
Theropoda indet.2 theropod
tooth
 Theropoda - Grallatoridae
Grallator sp.2, "? Hyphepus sp." = Eubrontes2
Grallator sp.2 Hitchcock 1858 theropod
"spp."
"? Hyphepus sp." = Eubrontes2 Hitchcock 1845 theropod