TABLE 1. Measurements of the lower dentition of specimens of Kichechia. All measurements by the authors except (*), measurements from Savage (1965).
| Taxon | Site | Specimen | Lp2 | Wp2 | Lp3 | Wp3 | Lp4 | Wp4 | Lm1 | Wm1 | Lm2 | Wm2 |
| Kichechia savagei s p. nov. | Moruorot | KNM-MO24 (holotype) | 3.4 | 1.9 | 4.1 | 2.4 | 5.1 | 2.8 | 5.6 | 3.6 | ||
| Moruorot | KNM-MO17118 | 6.3 | 3.6 | 3.9 | 3.0 | |||||||
| Moruorot | KNM-MO18100A | 4.2 | 2.5 | 5.2 | 3.1 | |||||||
| Moruorot | KNM-MO18100B | 6.4 | 3.8 | |||||||||
| Kalodirr | KNM-WK18084 | 6.1 | 3.6 | 3.9 | 2.9 | |||||||
| Rusinga | KNM-RU2904 | 3.9 | 2.1 | 4.2 | 2.6 | 5.6 | 3.3 | |||||
| Kichechia zamanae | Rusinga | KNM-RU2902 | 6.4 | 3.8 | ||||||||
| Rusinga | KNM-RU2905 | 6.4 | 3.1 | |||||||||
| Rusinga | KNM-RU2906 | 5.6 | 3.3 | 6.2 | 3.6 | |||||||
| Rusinga | KNM-RU2907 | 3.6 | 2.0 | 4.6 | 2.7 | 5.6 | 3.1 | |||||
| Rusinga | KNM-RU2909 | 5.8 | 3.2 | 6.5 | 3.7 | |||||||
| Rusinga | KNM-RU2912 | 4.9 | 2.5 | |||||||||
| Rusinga | KNM-RU2913 | 6.8 | 3.8 | |||||||||
| Rusinga | KNM-RU2916 | 5.6 | 3.6 | |||||||||
| Rusinga | KNM-RU2920 | 3.6 | 2.0 | 3.8 | 2.0 | |||||||
| Rusinga | KNM-RU2921 | 7.1 | 3.7 | |||||||||
| Rusinga | KNM-RU2922 | 4.6 | 2.5 | 5.6 | 2.5 | 6.5 | 3.4 | |||||
| Rusinga | KNM-RU2923 | 5.9 | 3.6 | 3.8 | ||||||||
| Rusinga | KNM-RU2924 | 4.3 | ||||||||||
| Rusinga | KNM-RU2925 | 4.2 | 2.2 | 5.4 | 3.0 | |||||||
| Rusinga | KNM-RU15997 | 4.6 | ||||||||||
| Rusinga | KNM-RU--- (CMF4006) | 3.8 | 2.1 | 5.6 | 3.3 | 6.5 | 3.8 | |||||
| Rusinga | NHMUK M19078 (holotype)* | 3.6 | 2.4 | 4.4 | 2.9 | 5.8 | 3.4 | |||||
| Rusinga | NHMUK M19079* | 6.7 | 3.7 | |||||||||
| Rusinga | NHMUK M19080* | 4.0 | 2.8 |
TABLE 2. Measurements (in mm) of discussed Felidae lower dentitions. All other measurements are by the authors.
| Taxon | Site | Specimen | Lm1 | Wm1 | Lp4 | Wp4 |
| Katifelis nightingalei gen. et sp. nov. | Kalodirr | KNM-WK17133 | 9.8 | 3.7 | 7.0 | 3.4 |
| Asilifelis coteae | Rusinga | KNM-RU18349 | 7.4 | 2.8 | 5.5 | 2.4 |
| Namafelis minor | Arrisdrift | AD 99’95 | 11.5 | 4.8 | 9.0 | 4.3 |
| Diamantofelis ferox | Arrisdrift | AD 98’95 | 15.2 | 6.3 | 12.6 | 6.0 |
| Styriofelis turnauensis | Vallès-Penedès | IPS41970 | 11.3 | 4.9 | --- | --- |
| Vallès-Penedès | IPS42169 | 11.3 | 5.1 | --- | --- | |
| Pseudaelurus romieviensis | Vallès-Penedès | IPS41973 | --- | --- | 12.8 | 6.3 |
| Vallès-Penedès | IPS42063 | 16.3 | 7.5 | 12.8 | 6.3 | |
| Vallès-Penedès | IPS60891 | --- | --- | 13.8 | 6.3 | |
| Pseudaelurus quadridentatus | Vallès-Penedès | IPS60892b | 18.0 | 7.8 | --- | --- |
| Vallès-Penedès | IPS60892c | 18.0 | 7.9 | 13.9 | 6.7 |
TABLE 3. Measurements (in mm) of amphicyonid cheek teeth; for Cynelos macrodon (NHMUK M19086) and Cynelos euryodon (NHMUK M19084) after Savage (1965); for Cynelos euryodon (CA-314) after Schmidt-Kittler (1987). All other measurements are by the authors.
| Taxon | Specimen | L P4 | W P4 | L M1 | W M1 | L p4 | W p4 |
| Cynelos macrodon | KNM-WK18196 | 21.1 | 11.0 | --- | --- | --- | --- |
| KNM-WK16984 | --- | --- | --- | --- | 21.1 | 11.6 | |
| KNM-WK17074 | --- | --- | 22.7 | 20.4 | --- | --- | |
| KNM-RU2957 | --- | --- | 18.3 | --- | --- | --- | |
| NHMUK M19086 | --- | --- | 20.5 | 24.2 | --- | --- | |
| Cynelos euryodon | CA-314 | --- | --- | 17.1 | 20.0 | --- | --- |
| NHMUK M19084 | 17.5 | 10.3 | 14.6 | 17.5 | --- | --- |
