Boonton Fish Bed (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

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; gray siltstone and carbonate

• "Gray laminate composed of laminae of gray siltstone alternating with laminae of carbonate forming couplets of a mean of 2.5 mm. Unit also contains coarse to fine graded siltstones 1 mm to 2.5 m thick."

Size class: macrofossils

Preservation: adpression

Collected by P. G. Egerton

Collection methods: quarrying, surface (in situ),

Primary reference: W. Bock. 1959. New eastern American Triassic fishes and Triassic correlations. Geological Center Research Studies 1:1-139 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187288: authorized by Matthew Carrano, entered by Matthew Carrano on 19.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Coelacanthimorpha
 Coelacanthiformes - Dipluridae
Diplurus longicaudatus
Diplurus longicaudatus Newberry 1878 coelacanth
Osteichthyes
 Ptycholepiformes - Ptycholepididae
"Ptycholepis marshi" = Ptycholepis marshii3
"Ptycholepis marshi" = Ptycholepis marshii3 Newberry 1878 ray-finned fish
YPM 6272
 Palaeonisciformes - Redfieldiidae
Redfieldius sp.2, "Redfieldius gracilis" = Redfieldius gracilis, "Catopterus parvulus n. sp." = Redfieldius gracilis
Redfieldius sp.2 Hay 1899
"spp."
"Redfieldius gracilis" = Redfieldius gracilis Redfield 1837
AMNH 578, 592, 619, 655, 663, YPM 7046-7050, 7052, 7064, 7069, 7075, 7572, NJSM 2962
"Catopterus parvulus n. sp." = Redfieldius gracilis Redfield 1837
YPM 7068
Actinopteri
 Semionotiformes - Semionotidae
"Ischypterus macropterus" = Semionotus fultus, Semionotus ovatus, "Semionotus lenticularis" = Semionotus elegans, "Semionotus modestus" = Semionotus elegans, Semionotus micropterus, "Semionotus alatus" = Semionotus lineatus, Semionotus gigas, "Semionotus marshi" = Semionotus agassizii, Semionotus robustus
"Ischypterus macropterus" = Semionotus fultus Agassiz 1833
Semionotus ovatus Redfield 1841
"Semionotus lenticularis" = Semionotus elegans Newberry 1888
"Semionotus modestus" = Semionotus elegans Newberry 1888
Semionotus micropterus Newberry 1888
"Semionotus alatus" = Semionotus lineatus Newberry 1888
Semionotus gigas Newberry 1888
"Semionotus marshi" = Semionotus agassizii Redfield 1841
Semionotus robustus Newberry 1888
Branchiopoda
 Diplostraca -
Conchostraca indet.1
Conchostraca indet.1 Sars 1867 clam shrimp
unclassified
  -
Tracheophyta indet.1
1Olsen 1980; 2Olsen 1980; 3Schaeffer et al. 1975