Abstract

A late Pliocene artesian spring basin in Meade County, Kansas, was a trap for animals that came to the spring for water. They were either trapped by quicksand or became mired in the bog area around the edge of the spring. Some of the larger mammals that inhabited the region at the time the Rexroad fauna lived were recovered from this deposit. The following forms new to the Rexroad fauna were recovered from the Keefe Canyon deposit: ?Megalonyx sp.; Dipoides rexroadensis sp. nov.; Martes foxi sp. nov.; Platygonus bicalcaratus Cope; Gigantocamelus spatulus (Cope); Pliauchenia cochrani sp. nov.; and Tanupolama blancoensis Meade.

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