Stewart Valley, Pacific Union Site (BLM 26-30-09) (Miocene of the United States)

Where: Nevada (38.6° N, 117.9° W: paleocoordinates 39.4° N, 114.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Barstovian (16.3 - 12.5 Ma)

• Late Barstovian (ca. 14-14.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithified mudstone

• Basin and Range province
• Paper shales

Size class: macrofossils

Preservation: adpression

Collected by William Ferguson; reposited in the CAS

• California Academy of Sciences

Primary reference: M. S. Engel. 2009. A Miocene snakefly from Stewart Valley, Nevada (Raphidioptera: Raphidiidae). Transactions of the Kansas Academy of Science 112(4):211-214 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 102996: authorized by Matthew Clapham, entered by Matthew Clapham on 21.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Raphidioptera - Raphidiidae
Agulla mineralensis n. sp. Engel 2009 snakefly
 Diptera - Tipulidae
Tipula nevadensis n. sp. Byers 2011 crane fly