35 miles east of Santa Rosa (Jurassic of the United States)

Where: New Mexico (34.9° N, 104.1° W: paleocoordinates 28.0° N, 48.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Todilto Formation, Middle Callovian (164.7 - 161.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: pond; lithified, brown, yellow, silty, calcareous shale

• Small isolated pond of fresh or brackish water, preceding establishment of vast Todilto salina
• Very thinly laminated (papery), pale yellowish brown to grayish orange, silty, calcareous shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by Hugo Rodeck; reposited in the UCM

Primary reference: T. D. A. Cockerell. 1931. A supposed insect larva from the Jurassic. Bulletin of the Brooklyn Entomological Society 26:96-97 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 160094: authorized by Matthew Clapham, entered by Matthew Clapham on 14.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
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Xiphenax jurassicus n. gen. n. sp.
Xiphenax jurassicus n. gen. n. sp. Cockerell 1931 insect