Ryerson's Quarry (fish beds) (Jurassic of the United States)

Where: Union County, New Jersey (41.0° N, 74.3° W: paleocoordinates 21.6° N, 20.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Towaco Formation (Meriden Group), Hettangian (201.3 - 199.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; gray shale

• "in a thin bed of dark-colored shale, the joints of fracture in which were found to contain indurated bitumen;" "a thin bed of gray siliceous slate, very schistose."

Size class: macrofossils

Preservation: adpression

Collected by W. C. Redfield, A. McCune in 1843, 1979–1980; reposited in the YPM

Collection methods: quarrying,

Primary reference: W. C. Redfield. 1843. Notice of newly discovered fish beds and a fossil foot mark in the Red Sandstone Formation of New Jersey. The American Journal of Science and Arts 44:134-136 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 182625: authorized by Matthew Carrano, entered by Matthew Carrano on 14.11.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Actinopteri
 Semionotiformes - Semionotidae
Palaeoniscus agassizii, "Palaeoniscus fultus" = Semionotus fultus
Palaeoniscus agassizii Redfield 1841
"Palaeoniscus fultus" = Semionotus fultus Agassiz 1833
Osteichthyes
 Palaeonisciformes - Palaeoniscidae
Palaeoniscus latus
Palaeoniscus latus Kirkby 1862