The Rexroad Formation is a

geologic formation A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...

Kansas Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to th ...

. It preserves fossils dating back to the Neogene

period Period may refer to: Common uses * Era, a length or span of time * Full stop (or period), a punctuation mark Arts, entertainment, and media * Period (music), a concept in musical composition * Periodic sentence (or rhetorical period), a concept ...

. These fossils include two types of skunk (''

Spilogale The genus ''Spilogale'' includes all skunks commonly known as spotted skunks. Currently, there are four accepted extant species: ''S. gracilis'', ''S. putorius'', ''S. pygmaea'', and ''S. angustifrons''. New research, however, proposes that ther ...

rexroadi'' and '' Brachyprotoma breviramus''), a tree bat (''Lasiurus fossilis''), a ringtail (''Bassariscus casei''), several snakes, such as ''

Elaphe obsoleta ''Pantherophis obsoletus'', also known commonly as the western rat snake, black rat snake, pilot black snake, or simply black snake, is a nonvenomous species of snake in the family Colubridae. The species is native to central North America. Ther ...

'', and a turkey ('' Agriocharis progenes'').

References

* Neogene geology of Kansas Neogene geology of Oklahoma {{Neogene-stub

See also

References