Also known as A. laticollis type, Dinosaur Ridge
Where: Jefferson County, Colorado (39.7° N, 105.2° W: paleocoordinates 35.1° N, 52.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)
• two layers; upper middle part of formation
• group of beds-level stratigraphic resolution
Environment/lithology: "channel"; black mudstone and yellow sandstone
Size class: macrofossils
Collected by A. Lakes in 1877–1903; reposited in the YPM
Collection methods: quarrying, mechanical,
Primary reference: O. C. Marsh. 1877. Notice of new dinosaurian reptiles from the Jurassic formation. American Journal of Science and Arts 14:514-516 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 13341: authorized by Matthew Carrano, entered by Matthew Carrano on 28.02.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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"Apatosaurus laticollis n. sp." = Apatosaurus louisae2, Apatosaurus ajax n. gen. n. sp., Atlantosaurus immanis n. sp.1
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"Chelonia indet." = Testudines3
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