MAD05-38: Maastrichtian, Madagascar
collected 2015
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
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Sahonachelys mailakavava n. gen., n. sp.
Joyce et al. 2021
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| UA 10581 (field number MAD 15359) - holotype | ||||||||||
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Reptilia
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Miadanasuchus oblita
(Buffetaut and Taquet 1979)
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Reptilia
- Noasauridae
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Masiakasaurus knopfleri
Sampson et al. 2001
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Reptilia
- Abelisauridae
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Majungasaurus crenatissimus
(Depéret 1896)
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Reptilia
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? Paraves indet.
Sereno 1997
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| "possible paravian material" | ||||||||||
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Rapetosaurus krausei
Curry Rogers and Forster 2001
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| see common names | ||||||||||
Geography
| Country: | Madagascar | State/province: | Mahajanga |
| Coordinates: | 15.9° South, 46.6° East (view map) | ||
| Paleocoordinates: | 30.1° South, 38.4° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Altitude: | 3200 | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Maevarano | Member: | Anembalemba |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | fine,coarse,green muddy sandstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Olive green, fine- to coarse-grained, clay-rich sandstone | |
| Environment: | terrestrial indet. |
| Geology comments: debris flow | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis | Collection dates: | 2015 |
Metadata
| Database number: | 206553 | ||
| Authorizer: | E. Vlachos, P. Mannion | Enterer: | E. Vlachos, P. Mannion |
| Modifier: | P. Mannion | Research group: | paleobotany |
| Created: | 2019-11-19 10:16:28 | Last modified: | 2021-05-05 03:05:11 |
| Access level: | the public | Released: | 2019-11-19 10:16:28 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 76780. | W. G. Joyce, Y. Rollot, S. W. Evers, T. R. Lyson, L. J. Rahantarisoa and D. W. Krause. 2021. A new pelomedusoid turtle, Sahonachelys mailakavava, from the Late Cretaceous of Madagascar provides evidence for convergent evolution of specialized suction feeding among pleurodires. Royal Society Open Science 8(5):210098:1-32 [P. Mannion/P. Mannion] |