Английская Википедия:Alcântara Formation
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Шаблон:Short description Шаблон:Infobox rockunit The Alcântara Formation is a geological formation in northeastern Brazil whose strata date back to the Cenomanian of the Late Cretaceous.[1]
Fossil content
Dinosaurs
Dinosaurs | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Carcharodontosauridae indet.[2] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Teeth | ||
Dromaeosauridae indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Teeth | Possible member of Velociraptorinae | |
Itapeuasaurus[4] | I. cajapioensis | Itapeua beach | Early Cenomanian | A rebbachisaurid | ||
cf. Limaysaurus[5] | L. tessonei | Laje do Coringa, Cajual Island | Early Cenomanian | Vertebrae | ||
Malawisaurus[6] | M. sp. | Laje do Coringa, Cajual Island | Early Cenomanian | Tooth | Файл:Malawisaurus-head.jpg | |
Noasauridae indet. [7] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Nine teeth | Teeth belong to an animal closely related to Masiakasaurus knopfleri. | |
Oxalaia[8] | O. quilombensis | Laje do Coringa, Cajual Island | Early Cenomanian | Fused premaxillae; isolated and incomplete left maxilla | A spinosaurid | Файл:Oxalaia quilombensis life reconstruction by PaleoGeek.png |
Sauropoda indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Teeth | May belong to a titanosaurid or a diplodocoid rebbachisaurid | |
S. brevicollis |
Laje do Coringa, Cajual Island | Early Cenomanian | Two caudal vertebrae |
Referral to Sigilmassasaurus was based on similarity to presumed caudal vertebrae of the genus from the Kem Kem Group. However, these caudal vertebrae have since been separated from the genus, meaning that it is currently impossible to refer any caudal vertebrae to it. |
||
Spinosauridae indet.[9] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Teeth | A spinosaurid different from Oxalaia. | |
Theropoda indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Claw | ||
Titanosauria indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Vertebrae | ||
Titanosauria indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Osteoderm | ||
cf. Unenlagiinae[10] | Indeterminate | Laje do Coringa, Cajual Island, São Luís-Grajaú Basin | Early Cenomanian | Teeth |
Pterosauria
Pterosaurs | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Anhangueridae indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanina | Teeth |
Crocodylomorphs
Crocodylomorphs | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Crocodylomorpha indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Teeth and osteoderms | ||
Coringasuchus[11] | C. anisodontis | Laje do Coringa, Cajual Island | Early Cenomanian | Partial right lower jaw (dentary) | Possibly a notosuchian |
Turtles
Crocodylomorphs | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Pelomedusoides indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Incomplete carapace |
Squamates
Snakes | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Seismophis[12] | S. septentrionalis | Laje do Coringa, Cajual Island | Early Cenomanian | Vertebrae | A snake |
Fish
Fishes | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Arganodus[3] | A. tiguidiensis | Laje do Coringa, Cajual Island | Early Cenomanian | Dental plates | A ceratodontid lungfish | Файл:Chinle fish Arganodus cropped.png |
Atlanticopristis[13] | A. equatorialis | Falésia do Sismito and Laje do Coringa, Cajual Island | Early Cenomanian | Fourteen denticle specimens (two complete) | A sclerorhynchid | Файл:Atlanticopristis by PaleoGeek.png |
Bartschichthys[3] | B. sp. | Laje do Coringa, Cajual Island | Early Cenomanian | Spines | ||
Ceratodus[3] | C. brasiliensis C. humei |
Laje do Coringa, Cajual Island | Early Cenomanian | Dental plates | A ceratodontid lungfish | Файл:Ceratodus.jpg |
Equinoxiodus[14] | E. alcantarensis E. sp.[3] |
Laje do Coringa, Cajual Island | Early Cenomanian | One complete and eight incomplete tooth plates | A dipnoiform | |
Lepidotes[3] | Lepidotes sp. | Laje do Coringa, Cajual Island | Early Cenomanian | Mineralized scales | ||
Mawsonia[15] | M. gigas | Laje do Coringa, Cajual Island | Early Cenomanian | Palato-quadrate and post-parietal cranial material | A coelacanthiform | Файл:Mawsonia sp.jpg |
Myliobatis[3] | M. sp. | Laje do Coringa, Cajual Island | Early Cenomanian | |||
Onchopristis[3] | O. cf. numidus | Laje do Coringa, Cajual Island | Early Cenomanian | Rostral teeth | A sclerorhynchoid. | Файл:Onchopristis numida.png |
Pycnodontiformes indet.[3] | Indeterminate | Laje do Coringa, Cajual Island | Early Cenomanian | Dental plate and teeth | ||
Stephanodus[3] | S. sp. | Laje do Coringa, Cajual Island | Early Cenomanian | Pharyngeal teeth | ||
Tribodus[3] | T. cf. limae | Laje do Coringa, Cajual Island | Early Cenomanian | Dorsal spines | A hybodont |
References
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ 3,00 3,01 3,02 3,03 3,04 3,05 3,06 3,07 3,08 3,09 3,10 3,11 3,12 3,13 3,14 3,15 3,16 3,17 3,18 Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ Medeiros, M.A., Carvalho, M.S.S., Silva, M.A.M., Pereira, A.A., Araujo, M.N., Ferreira, N.N., Vilas Bôas, I., 2011. O senhor dos rios: Mawsonia gigas (Mawsoniidae) do Cenomaniano do Maranhão, Brasil. In: Carvalho, I.S., Srivastava, N.K., Strohschoen, J.O., Lana, C.C. (Eds.), Paleontologia: Cenários de Vida, Vol. 4. Interciência, Rio de Janeiro, pp. 575-583.
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- Английская Википедия
- Страницы с неработающими файловыми ссылками
- Geologic formations of Brazil
- Upper Cretaceous Series of South America
- Cretaceous Brazil
- Cenomanian Stage
- Sandstone formations
- Shale formations
- Conglomerate formations
- Shallow marine deposits
- Fossiliferous stratigraphic units of South America
- Paleontology in Brazil
- Landforms of Maranhão
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