Horse Race, Montague (Jurassic to of the United States)

Where: Massachusetts (42.6° N, 72.5° W: paleocoordinates 24.3° N, 18.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Mount Toby Formation (Meriden Group), Hettangian to Hettangian (201.3 - 190.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; lithified, gray shale

Size class: mesofossils

Preservation: adpression

Collected by N.G. McDonald in 1991-1995; 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 153637: authorized by Matthew Clapham, entered by Matthew Clapham on 04.01.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Coleoptera -
Mormolucoides articulatus Hitchcock 1858 beetle
 Coleoptera - Coptoclavidae
Holcoptera giebeli Handlirsch 1906 beetle
NGM 100