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IMPORTANT NOTE: We have maintained the originally published taxonomic designation for each specimen despite the fact that many of these specimens have been reclassified since.  We chose to follow this protocol because of the difficulty in keeping up to date with all of the taxonomic groups, and our hesitancy to make a judgement call on taxonomic debates.  As such, please search the database with this in mind, perhaps using higher level taxonomic classifications for your query.

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256 specimens found
Image Spec # CODI Database ID Arch. Locality Geo. Locality Elements Preserved Excavation Date Repository Bed Level Stratigraphic Horizon Bibliographic Information Curatorial Notes ID By ID Date Research Team In Situ Sediment or Matrix Adhering Class Order Suborder Infraorder Superfamily Family Subfamily Tribe Genus Species Subspecies Taxonomic Notes Taxonomic Problems
01. R. L3-89 3123 6 - FLK NN R-MAN-f, M 104 - Unknown I 3 Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This specimen is pictured in plate 1, figure A. 153 - J. Jaeger Yes Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Grammomys sp. No
FLK N I 6044 1524 7 - FLK North R-MAN-f 1960 104 - Unknown I 3 Gentry, A. W. 1966 Fossil Antilopini of East Africa. Bulletin of the British Museum of Natural History, Geology. 12: 43-106. 9 pls. 137 - A. Gentry 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Neotragini Phenacotragus recki No
B. 119 1525 7 - FLK North R-MAN-f 1960 104 - Unknown I Gentry, A. W. 1966 Fossil Antilopini of East Africa. Bulletin of the British Museum of Natural History, Geology. 12: 43-106. 9 pls. 137 - A. Gentry 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Neotragini Phenacotragus recki No
01. R. K-121 3250 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This specimen is pictured in plate 1, figure E. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-150 3279 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-151 3280 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-152 3281 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-153 3282 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-154 3283 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-155 3284 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-156 3285 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-157 3286 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-158 3287 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-159 3288 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-160 3289 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-161 3290 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-162 3291 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-163 3292 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-164 3293 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-165 3294 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-166 3295 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-167 3296 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-168 3297 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-169 3298 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-171 3300 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-181 3310 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. L2-186 3315 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. L3-187 3316 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. M2-191 3320 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. M3-192 3321 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. M4-195 3324 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. L3-538 3328 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. M1-539 3329 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
01. R. K-540 3330 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layers 1, 2, 3, and 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Thallomys quadrilobatus No
OLD 1960 F200 3714 5 - FLK R-MAN-f, d-P, M 1960 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) I Harris, J. M., Solounias, N., and Geraads, D. 2010. Giraffoidea. Werdelin, L., Sanders, W. J., eds. In: Cenozoic Mammals of Africa. London: University of California Press. pp. 393-428. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 155 - Harris, Solounias, and Geraads 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Giraffoidea Giraffidae Giraffinae Giraffini Giraffa pygmaea Paratype No
01. R. K-200 3331 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This specimen is pictured in plate 2, figure B. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layer 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Arvicanthis primaevus No
01. R. L2-205 3336 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layer 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Arvicanthis primaevus No
01. R. L3-206 3337 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK I; FLK NNI layers 2 and 3; FLK NI layer 4. It is unclear where individual specimens were recovered. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Arvicanthis primaevus No
01. R. L2-3 3132 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK NI, layers 1, 2, 3, 4, 5, and 6; FLK NNI, layers 1, 2, and 3; FLK I, Zinjanthropus layer. It is unclear where individual specimens come from, however. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Mus petteri No
01. R. L3-5 3135 R-MAN-f, M 104 - Unknown I Jaeger, J.J. 1976. Les rongeurs (Mammalia, Rodentia) du Pleistocene inferieur d’Olduvai Bed I (Tanzanie) 1ere Partie: Les Murides. Fossil vertebrates of Africa 4:58-120. This species is found at FLK NI, layers 1, 2, 3, 4, 5, and 6; FLK NNI, layers 1, 2, and 3; FLK I, Zinjanthropus layer. It is unclear where individual specimens come from, however. 153 - J. Jaeger Unknown Mammalia Rodentia Myomorpha Myodonta Muroidea Muridae Murinae Mus petteri No