First record: Dendroidichnites (D. irregulare) in Late Triassic marginal lacustrine deposits of the Passaic Formation, west-central New Jersey

Fine-grained siltstones of the Late Triassic Passaic Formation, near Milford, New Jersey have yielded the first evidence of the trace fossil Dendroidichnites irregulare in the Newark Supergroup of New Jersey. Associated trace fossils include Helminthoidichnites, Scoyenia, Spongeliomorpha, and the re...

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Bibliographic Details
Published inIchnos (Chur, Switzerland) Vol. 28; no. 4; pp. 309 - 314
Main Author Metz, Robert
Format Journal Article
LanguageEnglish
Published Taylor & Francis 02.10.2021
Subjects
Dendroidichnites
Late Triassic
New Jersey
nonmarine trace fossils
Passaic Formation
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ISSN1042-0940
1563-5236
DOI10.1080/10420940.2021.1930538

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Summary:Fine-grained siltstones of the Late Triassic Passaic Formation, near Milford, New Jersey have yielded the first evidence of the trace fossil Dendroidichnites irregulare in the Newark Supergroup of New Jersey. Associated trace fossils include Helminthoidichnites, Scoyenia, Spongeliomorpha, and the reptile footprint Rhynchosauroides, representing the Scoyenia Ichnofacies. Associated sedimentary structures include desiccation cracks, raindrop impressions, cross-bedding, and tool marks. The Passaic sediments were deposited under shallow water lacustrine shoreline conditions subject to periodic subaerial exposure.
ISSN:1042-0940
1563-5236
DOI:10.1080/10420940.2021.1930538