Also known as UNSM Kx-127
Where: Knox County, Nebraska (42.6° N, 97.9° W: paleocoordinates 42.7° N, 97.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Blancan (4.9 - 1.8 Ma)
• member-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; conglomerate
Size classes: macrofossils, mesofossils
Reposited in the UNSM
Collection methods: bulk, sieve,
• "fossils were recovered by wet-screening"
Primary reference: K. Rogers. 1984. Herpetofaunas of the Big Springs and Hornet's Nest quarries (northeastern Nebraska, Pleistocene: Late Blancan). Transactions of the Nebraska Academy of Sciences 12:81-94 [J. Alroy/M. Sommers/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 27572: authorized by John Alroy, entered by John Alroy on 12.12.2002, edited by Bethany Allen
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Eumeces sp. Wiegmann 1834 skink | |
Thamnophis proximus, Thamnophis radix, Thamnophis sirtalis, Elaphe guttata, Regina grahami, Nerodia rhombifera, Nerodia sp., Nerodia rhombifer
Thamnophis proximus garter snake
Thamnophis radix garter snake
Thamnophis sirtalis Linnaeus garter snake
Elaphe guttata Linnaeus 1766 corn snake
Regina grahami crayfish snake
Nerodia rhombifera water snake
Nerodia rhombifer Hallowell 1852 diamondback water snake | |
Agkistrodon cf. contortix cottonmouth
Crotalus horridus Linnaeus 1758 timber rattlesnake | |
Chrysemys picta Schneider 1783 painted turtle | |
Amphibia | |
Rana sylvatica frog
Rana catesbeiana Shaw 1802 American bullfrog | |
Bufo cognatus toad
Bufo repentinus toad | |
Ambystoma tigrinum, "Ambystoma maculatum" = Amblystoma maculatum
Ambystoma tigrinum Green 1825 tiger salamander
"Ambystoma maculatum" = Amblystoma maculatum Shaw 1802 Spotted salamander |