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This list of stratigraphic units with few non-avian dinosaur genera includes Mesozoic stratigraphic units of formation rank or higher that have produced dinosaur body fossils which have been referred to at most five genera. Since taxonomy frequently changes and can be somewhat subjective, the number of reported genera may not coincide exactly with the number of genera extant at the time of deposition.
| Name | Age | Location | Description | |
|---|---|---|---|---|
| Aurisina Formation | Campanian[4] |  Italy |
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|
Norian[9] |
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|
Middle Campanian[17] |
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| ||||
|
Rhaetian to ?Sinemurian[20] |
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|
Hettangian to Sinemurian[21] |
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| Itat Formation | ||||
|
Hettangian to Pliensbachian[23] |
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|
?Norian[25] |
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|
Barremian[26] |
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|
Norian[28] |
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|
Late Norian |
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| Marnes Rouges Inferieures |  France |
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| Marnes de Villers | France |
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|
Early Maastrichtian[31] |
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|
Late Norian to Rhaetian[33] |
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|
Pliensbachian to Toarcian[34] |
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|
Pliensbachian to Toarcian[36] |
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|
Norian[37] |
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|
Rhaetian[38] |
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| Saltrio Formation | Sinemurian | Italy |
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|
| ||||
|
Kimmeridgian[39] |
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|
Tithonian[40] |
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| Tujingzi Formation |  China |
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| Unit S3U1 |  Spain |
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|
Barremian[41] |
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|
Rhaetian[42] |
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|
Valanginian to Aptian[43] |
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| Zhoutian Formation[44] | Turonian–early Coniacian | China |
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