ammonites
Small's Quarry, Garden Park (Jurassic to of the United States)

Also known as DMNH Quarry 6, CO-11

Where: Fremont County, Colorado (38.5° N, 105.2° W: paleocoordinates 34.0° N, 52.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (155.7 - 145.5 Ma)

• upper middle part of formation, also described as "low in the Brushy Basin Member"

• bed-level stratigraphic resolution

Environment/lithology: pond; lenticular, gray, carbonaceous mudstone

• "a small pond"; "an overbank pond that experienced occasional input of channel splays"
• "a lenticular gray lacustrine mudstone...The mudstone is carbon rich, some of which is in the form of fusain or charcoal."

Size classes: macrofossils, mesofossils

Collected by B. Small in 1992; reposited in the DMNH

Collection methods: quarrying, mechanical,

Primary reference: J. D. Harris and K. Carpenter. 1996. A large pterodactyloid from the Morrison Formation (Late Jurassic) of Garden Park, Colorado. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 1996(8):473-484 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 48161: authorized by Matt Carrano, entered by Matt Carrano on 15.03.2005

Creative Commons license: CC BY (attribution)