McConnell I (Jurassic to of the United States)

Also known as MCI

Where: Sandoval County, New Mexico (35.6° N, 106.9° W: paleocoordinates 31.4° N, 54.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• near top of member; 13 m below MCII site

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; green, silty claystone

• "part of a thick floodplain-overbank sequence"
• "silty olive claystone"

Size class: macrofossils

Collected by H. Schwartz & K. Manley

Primary reference: D. D. Gillette. 1991. Seismosaurus halli, gen. et sp. nov., a new sauropod dinosaur from the Morrison Formation (Upper Jurassic/Lower Cretaceous) of New Mexico, USA. Journal of Vertebrate Paleontology 11(4):417-433 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 119021: authorized by Matthew Carrano, entered by Matthew Carrano on 20.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Theropoda -
cf. Allosaurus sp.
cf. Allosaurus sp. Marsh 1877 allosauroid
isolated teeth
 Saurischia -
Sauropoda indet.