TABLE 1. DATA MATRIX FOR PHYLOGENETIC AND DIAGNOSTIC CHARACTERS (MODIFIED FROM ARMBRUSTER, 1998a). Characters autapomorphic for taxa were excluded from the phylogenetic analysis.
| Genera |
Character state |
| 1–10 |
11–20 |
21–30 |
31–40 |
41 |
| Ingroup |
| Pogonopoma obscurum |
0111111111 |
0011021000 |
0001100101 |
1010000113 |
1 |
| Pogonopoma wertheimeri |
0111111111 |
0100000010 |
0001000010 |
1111001113 |
0 |
| Pogonopoma parahybae |
0101111111 |
0000011000 |
0001100111 |
1120000004 |
0 |
| Pseudorinelepis benibarbis |
1001001001 |
1011011001 |
1011100120 |
1001000011 |
0 |
| Rhinelepis spp. |
0111001111 |
0011121100 |
0111111010 |
1000100112 |
0 |
| Outgroup |
| Neoplecostomus |
00000?0000 |
0000011010 |
0000000000 |
1000010000 |
0 |
| Delturus |
00000?0000 |
0000011000 |
0010010000 |
0001010000 |
1 |
| Hemipsilichthys |
0000100000 |
0011000010 |
0000000000 |
0000010000 |
0 |
| Isbruckerichthys |
0000000000 |
0011020010 |
0000000000 |
0101010100 |
0 |
| Kronichthys |
0000000000 |
0011001000 |
0000000000 |
0100010000 |
0 |
| Hypostomus |
0100000000 |
1010011000 |
0010000000 |
0000010000 |
0 |