Figure from Holman (1964), of the holotype (University of Nebraska No. 61031) precaudal vertebra of Paleoheterodon tiheni g From left to right, dorsal view, posterior view, ventral view (dorsal view X 5½, others X 6) .
REPTILIA (Reptiles) SQUAMATA (PART) (Snakes) DIPSADIDAE (Harmless Rear-Fanged Snakes)

Paleo Plains Hog-nosed Snake
Paleoheterodon tiheni Holman 1964

Conservation Status:


A snake similar to Heterodon Latreille, but differing in having the neural arch vaulted (depressed in Heterodon), and in having the accessory processes short (longer in Heterodon).


(,   Museum Voucher) (,   Observation) (,   Literature Record) (,   iNat Record), (  Fossil)
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Full range depicted by light shaded red area. Export Google Earth (.kml)
  • Occurrence Summary:  
  • 8
  • 8
    Museum Vouchers 
  • 0
    Other Observations 
Some county occurrences indicated below may be too imprecise to map above.
County Breakdown: County Name (# occurrences):
Trego (8);

Natural History:

The species is named in recognition of the paleoherpetological contributions of Dr. Joseph A. Tihen.

1964 Holman, J. Alan. Fossil snakes from the Valentine Formation of Nebraska. Copea 1964(4):631-637
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Travis W. Taggart © 1999-2024 — w/ Sternberg Museum of Natural History, Fort Hays State University