Riker Hill Quarry (unit 10) (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: A Member (Towaco Formation), Hettangian (201.3 - 199.3 Ma)

• bed 10 = part of bed h = part of Unit d

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - small; lithified, fine-grained, red mudstone

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

Size class: mesofossils

Preservation: adpression

Reposited in the YPM

Collection methods: quarrying, surface (in situ),

Primary reference: P. E. Olsen. 1975. The microstratigraphy of the Roseland Quarry (Early Jurassic, Newark Supergroup, New Jersey). Open File Report 1-101 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153635: authorized by Matthew Clapham, entered by Matthew Clapham on 04.01.2014, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Equisetopsida
 Pinidae - Pinidae
Brachyphyllum sp.
Brachyphyllum sp. Brongniart 1828
Actinopteri
 Semionotiformes - Semionotidae
Semionotus sp.
Semionotus sp. Agassiz 1832
scales
Insecta
 Coleoptera - Cupedidae
Cupedidae indet.
Cupedidae indet. Laporte 1836 reticulated beetle