Stratigraphic time
| This age is part of | |
|---|---|
| Phanerozoic | 542 - recent |
| Mesozoic | 251 - 65.5 |
| This age is subdivided to | |
|---|---|
| Upper Triassic | 228 - 199.6 |
| Middle Triassic | 245 - 228 |
| Lower Triassic | 251 - 245 |
| Number of records | |
|---|---|
| Taxa | 224 |
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| This age is part of | |
|---|---|
| Phanerozoic | 542 - recent |
| Mesozoic | 251 - 65.5 |
| This age is subdivided to | |
|---|---|
| Upper Triassic | 228 - 199.6 |
| Middle Triassic | 245 - 228 |
| Lower Triassic | 251 - 245 |
| Number of records | |
|---|---|
| Taxa | 224 |