| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Bambiraptor Burnham et al. 2000 | 1 | 0 | 0 |
| Bambiraptor feinbergi Burnham et al. 2000 | 0 | 0 | 2 |
| Barapasaurus Jain et al. 1975 | 1 | 0 | 0 |
| Barapasaurus tagorei Jain et al. 1975 | 0 | 0 | 5 |
| Barosaurus Marsh 1890 | 2 | 0 | 4 |
| Barosaurus africanus (Fraas 1908) | 0 | 0 | 5 |
| Barosaurus lentus Marsh 1890 | 0 | 0 | 5 |
| Baryonyx Charig & Milner 1986 | 1 | 0 | 0 |
| Baryonyx walkeri Charig & Milner 1986 | 0 | 0 | 2 |
| Beipiaosaurus Xu et al. 1999 | 1 | 0 | 0 |
| Beipiaosaurus inexpectus Xu et al. 1999 | 0 | 0 | 2 |
| Beishanlog | 1 | 0 | 0 |
| Beishanlog grandis | 0 | 0 | 2 |
| Bellusaurus Dong 1990 | 1 | 0 | 0 |
| Bellusaurus sui Dong 1990 | 0 | 0 | 2 |
