Table 2. Best partitioning schemes and corresponding nucleotide substitution models of all mitogenomes used in phylogenetic inferences within Silurus.
| Scheme number | Partition scheme | Best model |
| 1 | ATP6_1st, ND1_1st, ND2_1st, ND3_1st, ND4_1st, ND5_1st, CYTB _1st | GTR+I+G |
| 2 | ATP6_2ed, ATP8_2ed, ND1_2ed, ND2_2ed, ND3_2ed, ND4_2ed, ND5_2ed | GTR+I+G |
| 3 | ATP6_3rd, COIII_3rd, ND1_3rd, ND2_3rd, ND3_3rd, ND4_3rd, ND4L_3rd, ND5_3rd, CYTB_3rd | GTR+I+G |
| 4 | ATP8_2ed, 22tRNAs | HKY+I+G |
| 5 | ATP8_3rd, 12sRNA, 16sRNA | GTR+I+G |
| 6 | COIII_1st, COI_1st, COII_1st, ND4L_1st | TIMEF+I+G |
| 7 | COI_2ed, COII_2ed, COIII_2ed, ND4L_2st, CYTB_2ed | HKY+I |
| 8 | COI_3rd, COII_3rd | TRN+I+G |
| 9 | ND6_1st, ND6_2ed | HKY+I+G |
| 10 | ND6_3rd | TRN+G |