Where: Connecticut (42.0° N, 72.6° W: paleocoordinates 23.7° N, 18.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Portland Formation (Agawam Group), Hettangian to Hettangian (201.3 - 190.8 Ma)
• Lower to middle Portland Formation
• bed-level stratigraphic resolution
Environment/lithology: pond; lithified siliciclastic sediments
Size class: macrofossils
Preservation: adpression
Collected in 1986-1992; reposited in the YPM
• Other repository: Nicholas G. McDonald collection at the Westminster School (NGM; Simsbury, Connecticut)
Primary reference: P. Huber, N. G. McDonald, and P. E. Olsen. 2003. Early Jurassic insects from the Newark Supergroup, northeastern United States. In P. M. LeTourneau, P. E. Olsen (eds.), The Great Rift Valleys of Pangea in Eastern North America, Volume 2: Sedimentology, Stratigraphy, and Paleontology 206-223 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 153636: authorized by Matthew Clapham, entered by Matthew Clapham on 04.01.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
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