Marsland Formation
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_(Marsland_Formation,_Middle_Miocene;_near_Agate,_Nebraska,_USA)_2_(32708793602).jpg){kind=link}
Marsland Formation is a geologic formation in Nebraska preserving fossils dating back to the Neogene period.
Fossil content
[edit | edit source]Color key
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Notes Uncertain or tentative taxa are in small text; |
Mammals
[edit | edit source]Ungulates
[edit | edit source]| Ungulates reported from the Marsland Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Mediochoerus | M. johnsoni | Dawes County, Nebraska (upper part of the formation).[1] | A skull[1] | A merycoidodontid. | |
| Menoceras | M. barbouri | Morrill & Box Butte counties, Nebraska.[2][3] | Skulls.[2][3] | A rhinoceros. | |
| M. falkenbachi | Morrill County, Nebraska (lower part of the formation).[2] | Skulls.[2] | Synonymized with M. barbouri.[4] | ||
| M. marslandensis | Box Butte County, Nebraska (upper part of the formation).[3] | Skulls.[3] | Synonymized with M. barbouri.[4] | ||
_(Marsland_Formation,_Middle_Miocene;_Bridgeport_Quarries,_near_Bridgeport,_Nebraska,_USA)_1_(32849205355).jpg){kind=link}
_(Marsland_Formation,_Middle_Miocene;_Bridgeport_Quarries,_near_Bridgeport,_Nebraska,_USA)_5_(32808353546).jpg){kind=link}
Reptiles
[edit | edit source]Testudines
[edit | edit source]| Testudines reported from the Marsland Formation | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Macroclemys | M. schmidti | Box Butte County, Nebraska.[5] | A fragmentary juvenile skull & an adult skull.[5] | A snapping turtle. | |
See also
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References
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