Additional Materials of the Late Miocene Rodents from the Namurungule Formation in the Samuburu Hills, Northern Kenya

Abstract

Two specimens of thryonomyids newly collected from the Late Miocene Namurungule Formation are described. One is a grooved upper incisor, which is referred to Paraulacodus sp. Another is a molar with three transverge lophs, whose definite taxonomic position can not be determined. The similarity in the rodent faunas between the Namurungule Formation and the Ch'orora Formation of Ethiopia is suggested. It is concordant with the approximate coincidence of the radiometic ages of both formations.