← All lineages
mixed diet
Tenontosauridae
Unknown range
Meet the giants
3 genera, ordered oldest to newest — the evolutionary line, not the alphabet.
| Genus | Period | Max weight | Height | Diet | Region |
|---|---|---|---|---|---|
| TenontosaurusTenontosauridae | 121.4–93.9 MYA | Unknown | Unknown | Unknown | North America |
| ConvolosaurusTenontosauridae | 119.6–113.2 MYA | Unknown | Unknown | Unknown | North America |
| IaniTenontosauridae | 100.5–93.9 MYA | Unknown | Unknown | Unknown | North America |
Weight and height are best estimates from published research, not exact measurements — sauropod mass in particular varies by method and specimen. Most genera below are newly classified and still awaiting full measurements.