Asteroidea, Keasey fm, Mist (Eocene to of the United States)

Where: Oregon (46.0° N, 123.3° W: paleocoordinates 45.9° N, 111.8° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Keasey Formation, Priabonian to Priabonian (38.0 - 28.1 Ma)

• Age after Nesbitt (2018).

• formation-level stratigraphic resolution

Environment/lithology: marine; poorly lithified sandstone

Size class: macrofossils

Reposited in the UCMP

Primary reference: D. B. Blake. 1973. Ossicle morphology of some recent asteroids and description of some West American fossil asteroids. University of California Publications in Geological Sciences 104:1-59 [L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59920: authorized by Loic Villier, entered by Loic Villier on 20.04.2006, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Squaliformes - Etmopteridae
Orthechinorhinus davidae Welton 2016 shark
Asteroidea
 Valvatida - Goniasteridae
Goniasteridae indet. Forbes 1841 sea star
Nehalemia delicata n. gen. n. sp. Blake 1973 sea star
 Paxillosida - Astropectinidae
Astropecten sp. Gray 1840 sea star
 Paxillosida - Benthopectinidae
"Mistia spinosa n. gen. n. sp." = Nearchaster spinosus
"Mistia spinosa n. gen. n. sp." = Nearchaster spinosus Blake 1973 sea star