Armstrong Ranch Quarry ( of the United States)
Where: Sioux County, Nebraska (42.4° N, 103.6° W: paleocoordinates 43.2° N, 98.5° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Harrison Formation, Harrisonian (24.8 - 18.5 Ma)
Environment/lithology: terrestrial; lithology not reported
• none given
Size classes: macrofossils, mesofossils
Primary reference: J. A. Holman. 1977. Additional snakes from the Miocene of western Nebraska. Herpetologica 33(4):443-446 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 27509: authorized by John Alroy, entered by John Alroy on 08.12.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Reptilia | |
|
Calamagras cf. platyspondyla Holman 1976 dwarf boa | |
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Ogmophis cf. miocompactus Holman 1976 Mexican burrowing snake | |