Edgar (Cretaceous of the United States)

Where: Carbon County, Montana (45.4° N, 108.8° W: paleocoordinates 44.7° N, 65.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Neogastroplites haasi ammonoid zone, Shell Creek Member (Thermopolis Shale Formation), Late/Upper Albian (105.3 - 99.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Collected in 1993

Collection methods: quarrying, mechanical,

Primary reference: P. S. Druckenmiller. 2002. Osteology of a new plesiosaur from the Lower Cretaceous (Albian) Thermopolis Shale of Montana. Journal of Vertebrate Paleontology 22(1):29-42 [M. Carrano/H. Street]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 97885: authorized by Matthew Carrano, entered by Hallie Street on 07.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Hoplitidae
Neogastroplites haasi ammonite
MOR-IV 336
Reptilia
 Sauropterygia - Polycotylidae
Edgarosaurus muddi Druckenmiller 2002 plesiosaur
MOR 751