Bear Lake, Unga Fm. (Miocene of the United States)

Also known as USGS M5042, A-187

Where: Aleutians East County, Alaska (56.0° N, 160.2° W: paleocoordinates 57.4° N, 157.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Unga Formation, Miocene (23.0 - 5.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: quarrying

Primary reference: C. D. Wagner. 1974. Fossil and recent sand dollar echinoids of Alaska. Journal of Paleontology 48(1):105-123 [M. Uhen/B. Shipps/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 203150: authorized by Mark Uhen, entered by Mark Uhen on 01.08.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Clypeasteroida - Echinarachniidae
Echinarachnius astrodapsoides Wagner 1974 sand dollar
Echinarachnius ungaensis n. sp. Wagner 1974 sand dollar