Moreno Formation | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Unit of | Chico Group |
Underlies | Unconformity with the Martinez Formation and Tejon Formation |
Overlies | Panoche Formation |
Thickness | 1,600–2,000 ft (487.68–609.60 m) |
Lithology | |
Primary | Shale |
Other | Sandstone |
Location | |
Region | San Joaquin Valley ![]() |
Country | ![]() |
The Moreno Formation is a Mesozoic geologic formation located in San Joaquin Valley (California).
Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation. [1]
Color key
| Notes Uncertain or tentative taxa are in small text; |
Cartilaginous fishes reported from the Moreno Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Material | Notes | Images |
Heptranchias [2] | H. sp |
Ray-finned fishes reported from the Moreno Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Material | Notes | Images |
B. gladius | A large, filter-feeding pachycormid. | ![]() | ||||
S. sp. | An ichthyodectid. | ![]() | ||||
Dinosaurs reported from the Moreno Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Material | Notes | Images |
A. morrisi [5] | saurolophine. [5] | ![]() | ||||
Saurolophus [5] | S. morrisi [5] | Reclassified as Augustynolophus morrisi. [5] | ||||
Mosasaurs reported from the Moreno Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Material | Notes | Images |
K. bennisoni [6] | The name Kolposaurus was preoccupied and its two constituent species moved to the new genus Plotosaurus . [6] | |||||
K. tuckeri [6] | ||||||
P. crassidens [7] | ![]() | |||||
P. bennisoni [6] | ![]() | |||||
P. tuckeri [6] | A junior synonym of P. bennisoni. | |||||
P. cf. waiparaensis | ||||||
cf. Mosasaurus [8] | cf. M. sp. | |||||
H. sp. | ||||||
Plesiosaurs reported from the Moreno Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Material | Notes | Images |
A. furlongi [9] | ![]() | |||||
F. drescheri [10] | ![]() | |||||
H. alexandrae [9] | ![]() | |||||
M. stocki [10] | ![]() | |||||
Testudines reported from the Moreno Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Material | Notes | Images |
J. Howard Hutchison later referred the specimen originally identified as Adocus by to the genus Basilemys. [11] | ||||||
Forams reported from the Moreno Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Member | Material | Notes | Images |
Anomalina [2] | A. pseudopopillosa | Tierra Loma Shale Member | ||||
Bulimina | B. obtusa | Tierra Loma Shale Member | 99% of the foraminifera sampled at the Tierra Loma Shale Member belonged to B. obtusa. [12] [13] | |||
Dentalina [2] | D. legumen | Tierra Loma Shale Member | ||||
Frondicularia [2] | F. undulosa | Tierra Loma Shale Member | ||||
Gyroidina [14] | G. depressa | Tierra Loma Shale Member | ||||
Nodosaria [2] | N. monile | Tierra Loma Shale Member | ||||
N. pomuligera | ||||||
N. spinifera | ||||||
N. sp | ||||||
Nodosarella [13] | N. sp | Tierra Loma Shale Member |