†Torridorefugium Hembree, Hasiotis & Martin 2005
Hembree, Hasiotis & Martin 2005. Torridorefugium eskridgensis (new ichnogenus and ichnospecies): Amphibian aestivation burrows from the Lower Permian Speiser Shale of Kansas. Journal of Paleontology, 79(3), May 2005: 583-593