Westfield, Middletown (Jurassic of the United States)

Also known as Westfield fish bed

Where: Middlesex County, Connecticut (41.6° N, 72.7° W: paleocoordinates 22.3° N, 19.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• in the "Westfield fish bed"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; black, gray, silty, calcareous shale and massive, gray, calcareous siltstone

• "thick unit of flaggy, hard and brittle, dark gray to black, microlaminated calcareous silty shale with interbeds of massive, light gray, calcareous siltstone."

Size class: macrofossils

Preservation: adpression

Reposited in the YPM

Collection methods: surface (in situ),

Primary reference: B. Schaeffer and N. G. McDonald. 1978. Redfieldiid fishes from the Triassic-Liassic Newark Supergroup of eastern North America. Bulletin of the American Museum of Natural History 159(4):129-174 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 224082: authorized by Matthew Carrano, entered by Matthew Carrano on 13.01.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Palaeonisciformes - Redfieldiidae
"Catopterus anguilliformis n. sp." = Redfieldius anguilliformis
"Catopterus anguilliformis n. sp." = Redfieldius anguilliformis Redfield 1841
YPM 7204, 7117
Actinopteri
 Semionotiformes - Semionotidae
Semionotus sp. Agassiz 1832
Coelacanthimorpha
 Coelacanthiformes - Dipluridae
Diplurus longicaudatus Newberry 1878 coelacanth