| Mark III | Correct | Alt. name | Mark III data sets |
| PGC 106311 | PGC 95735 | - | HMCL, W91CL, CF |
| PGC 64575 | PGC 64632 | NGC 6902 | HMCL |
| PGC 57053 | PGC 57058 | UGC 10186 | W91CL |
| PGC 71291 | PGC 71292 | UGC 12572 | W91CL |
|
1 PGC 10631 = UGC 2285 is projected on PGC 95735, but at lower redshift. Mark III clearly refers to the latter, but lists it as UGC 2285. |