ammonites
Grassy Lake (RTMP) (Cretaceous of Canada)

Where: Alberta, Canada (49.8° N, 111.7° W: paleocoordinates 57.2° N, 76.9° W)

• small collection-level geographic resolution

When: Foremost Formation (Belly River Group), Middle Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• "Foremost Formation represents transitional deposits between the marine Claggett or Pakowki Formation and the terrestrial Oldman Formation"

Size class: macrofossils

Collected in 1991; reposited in the TMP

Collection methods: mechanical,

Primary reference: S. Baszio. 1997. Oldest occurence of the genus Stegoceras (Dinosauria: Pachycephalosauridae) from the Foremost Formation (Campanian) of south Alberta, Canada. Paläontologische Zeitschrift 71(.5):129-133 [M. Carrano/K. Maguire/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59379: authorized by Matt Carrano, entered by Kaitlin Maguire on 30.03.2006, edited by Matt Carrano