| Aayemenaytcheia | Lieberman, Bruce | 33 weeks 4 days ago |
| Aayemenaytcheia paragranulata | Lieberman, Bruce | 33 weeks 4 days ago |
| Acanthoparyphinae | Lieberman, Bruce | 31 weeks 3 days ago |
| Acastava | Lieberman, Bruce | 30 weeks 4 days ago |
| Acastavinae | Lieberman, Bruce | 30 weeks 4 days ago |
| Acastidae | Lieberman, Bruce | 31 weeks 2 days ago |
| Acastoidea | Lieberman, Bruce | 31 weeks 3 days ago |
| Arcticormistonia | Lieberman, Bruce | 33 weeks 4 days ago |
| Arcticormistonia edgecombei | Lieberman, Bruce | 33 weeks 4 days ago |
| Asteropyginae | Lieberman, Bruce | 31 weeks 2 days ago |
| Aulacopleuridae | Lieberman, Bruce | 31 weeks 2 days ago |
| Aulacopleuroidea | Lieberman, Bruce | 31 weeks 2 days ago |
| Baltobergstroemia | Gapp, Ian | 8 weeks 2 hours ago |
| Baltobergstroemia mobergi | Gapp, Ian | 31 weeks 6 days ago |
| Baltobergstroemia sulcata | Gapp, Ian | 8 weeks 3 days ago |
| Basidechenella | Lieberman, Bruce | 33 weeks 4 days ago |
| Basidechenella arkonensis | Lieberman, Bruce | 33 weeks 6 hours ago |
| Basidechenella canaliculata | Lieberman, Bruce | 33 weeks 6 hours ago |
| Basidechenella cartwrightae | Lieberman, Bruce | 33 weeks 2 hours ago |
| Basidechenella clara | Lieberman, Bruce | 33 weeks 7 hours ago |
| Basidechenella elevata | Lieberman, Bruce | 32 weeks 6 days ago |
| Basidechenella eriensis | Lieberman, Bruce | 33 weeks 7 hours ago |
| Basidechenella hesionea | Lieberman, Bruce | 33 weeks 6 hours ago |
| Basidechenella lucasensis | Lieberman, Bruce | 33 weeks 6 hours ago |
| Basidechenella maura | Lieberman, Bruce | 33 weeks 7 hours ago |
| Basidechenella nodosa | Lieberman, Bruce | 32 weeks 6 days ago |
| Basidechenella pulchra | Lieberman, Bruce | 32 weeks 6 days ago |
| Basidechenella reimanni | Lieberman, Bruce | 32 weeks 4 hours ago |
| Basidechenella rowi | Lieberman, Bruce | 33 weeks 7 hours ago |
| Basidechenella timwhitei | Lieberman, Bruce | 31 weeks 6 days ago |
| Basidechenella witherspooni | Lieberman, Bruce | 31 weeks 6 days ago |
| Calmoniidae | Lieberman, Bruce | 31 weeks 3 days ago |
| Cheirurus centralis | Congreve, Curtis | 30 weeks 1 day ago |
| Coniproetus | Lieberman, Bruce | 33 weeks 4 days ago |
| Coniproetus affinis | Lieberman, Bruce | 33 weeks 7 hours ago |
| Coniproetus bohemicus | Lieberman, Bruce | 33 weeks 4 days ago |
| Coniproetus folliceps | Lieberman, Bruce | 33 weeks 4 days ago |
| Coniproetus ryckholti | Lieberman, Bruce | 33 weeks 4 days ago |
| Coniproetus tumidus | Lieberman, Bruce | 33 weeks 4 days ago |
| Crassiproetus | Lieberman, Bruce | 33 weeks 4 days ago |
| Crassiproetus alpenensis | Lieberman, Bruce | 33 weeks 1 day ago |
| Crassiproetus brevispinosus | Lieberman, Bruce | 33 weeks 2 days ago |
| Crassiproetus calhounensis | Lieberman, Bruce | 33 weeks 1 day ago |
| Crassiproetus canadensis | Lieberman, Bruce | 33 weeks 1 day ago |
| Crassiproetus crassimarginatus | Lieberman, Bruce | 33 weeks 3 days ago |
| Crassiproetus globosus | Lieberman, Bruce | 33 weeks 4 days ago |
| Crassiproetus halliturgidus | Lieberman, Bruce | 33 weeks 1 day ago |
| Crassiproetus microgranulatus | Lieberman, Bruce | 33 weeks 2 days ago |
| Crassiproetus neoturgidus | Lieberman, Bruce | 33 weeks 1 day ago |
| Crassiproetus norwoodensis | Lieberman, Bruce | 33 weeks 1 day ago |
