Dinosaur Beds: Difference between revisions
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| A [[Titanosauria|titanosaurian]] [[Sauropoda|sauropod]] |
| A [[Titanosauria|titanosaurian]] [[Sauropoda|sauropod]]. |
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| A [[Lithostrotia|lithostrotian]] [[Titanosauria|titanosaur]] |
| A [[Lithostrotia|lithostrotian]] [[Titanosauria|titanosaur]]. |
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! colspan="7" align="center" | [[ |
! colspan="7" align="center" | [[theropods]] of the Dinosaur Beds |
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| A [[Candidodontidae|candidodontid]] [[Notosuchia|notosuchian]] |
| A [[Candidodontidae|candidodontid]] [[Notosuchia|notosuchian]]. |
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| A [[Pelomedusidae|pelomedusid]] [[ |
| A [[Pelomedusidae|pelomedusid]] [[turtle]]. |
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| A non-marine [[Ostracod]] |
| A non-marine [[Ostracod]]. |
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Revision as of 17:22, 29 November 2024
| Dinosaur Beds | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Lupata Group |
| Sub-units | Lower Member, Upper Member |
| Underlies | Unconformity with Pliocene Chiwondo Beds |
| Overlies | Precambrian metamorphic basement |
| Thickness | Upper member is 210 m (690 ft) thick in vicinity of CD-9 locality |
| Lithology | |
| Primary | Sandstone, siltstone, mudstone |
| Location | |
| Coordinates | 10°17′S 34°02′E / 10.28°S 34.04°E |
| Region | Northern Region |
| Country |  Malawi |
| Extent | Karonga District |
  Dinosaur Beds (Malawi) | |
The Dinosaur Beds is a geological formation in Malawi whose strata date back to the Early Cretaceous. The age of the deposit is poorly constrained, but is likely to date from the Barremian to Aptian.[1] Dinosaurs, turtles and crocodylomorphs remains are among the fossils that have been recovered from the formation.[2] It is correlated with the Galula Formation in Tanzania. It consists of two members, a lower unfossiliferous member consisting of deep red stained sandstones, and an upper fossiliferous member consisting of white sands and grey to red mudstones and siltstones. The upper member is 210 m thick in the vicinity of the CD-9 locality.[3]
Fossil content
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
Sauropoda
| Plesiosaurs of the Dinosaur Beds | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Karongasaurus[4] | K. gittelmani | A titanosaurian sauropod. | ||||
| Malawisaurus[5] | M. dixeyi | A lithostrotian titanosaur. | ||||
Theropoda
| theropods of the Dinosaur Beds | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Theropoda Indet. | Indeterminate | |||||
Crocodyliformes
| Crocodyliformes of the Dinosaur Beds | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Malawisuchus | M. mwakasyungutiensis | A candidodontid notosuchian. | ||||
Turtles
| Turtles of the Dinosaur Beds | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Platycheloides | P. nyasae | A pelomedusid turtle. | ||||
Amphibians
| Amphibians of the Dinosaur Beds | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Anura Indet. | Indetrminate | |||||
Crutaceans
| Crustaceans of the Dinosaur Beds | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Hourcqia | H. sp. | A non-marine Ostracod. | ||||
See also
References
- ^ Widlansky, Sarah J.; Clyde, William C.; O'Connor, Patrick M.; Roberts, Eric M.; Stevens, Nancy J. (March 2018). "Paleomagnetism of the Cretaceous Galula Formation and implications for vertebrate evolution". Journal of African Earth Sciences. 139: 403–420. Bibcode:2018JAfES.139..403W. doi:10.1016/j.jafrearsci.2017.11.029. ISSN 1464-343X.
- ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Africa)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 571-573. ISBN 0-520-24209-2.
- ^ WINKLER, DALE A.; GOMANI, ELIZABETH M.; JACOBS, LOUIS L. (2000). "COMPARATIVE TAPHONOMY OF AN EARLY CRETACEOUS SAUROPOD QUARRY, MALAWI, AFRICA". Paleont. Soc. Korea Special Publication. 4: 99–114.
- ^ Gomani, E.M. 2005. Sauropod dinosaurs from the Early Cretaceous of Malawi, Africa: Palaeontologia Electronica 8 (issue 1 - n. 27a): 37 pages.
- ^ Jacobs L. D. Winkler, Gomani E. (1993). "New material of an Early Cretaceous titanosaurid dinosaur from Malawi". Palaeontology. 36 (3): 523–534.