UCM Loc. 86050 (Jurassic to of the United States)

Where: Larimer County, Colorado (40.7° N, 105.2° W: paleocoordinates 35.8° N, 51.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Morrison Formation, Late/Upper Oxfordian to Late/Upper Oxfordian (161.2 - 145.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; shelly/skeletal lime mudstone and wackestone

• "skeletal mudstones and wackestones"

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: S. P. Dunagan. 1999. A North American freshwater sponge (Eospongilla morrisonensis new genus and species) from the Morrison Formation (Upper Jurassic), Colorado. Journal of Paleontology 73(3):389-393 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 227703: authorized by Matthew Carrano, entered by Matthew Carrano on 27.10.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Demospongiae
 Spongillida - Spongillidae
Eospongilla morrisonensis n. gen. n. sp.
Eospongilla morrisonensis n. gen. n. sp. Dunagan 1999 demosponge
Reptilia
 Theropoda -
Theropoda indet., Allosaurus sp.
Theropoda indet. theropod
UCM 80786, tooth
Allosaurus sp. Marsh 1877 allosauroid
6 vertebrae