Alcobaça Formation
Alcobaça Formation Stratigraphic range: Late Jurassic Oxfordian–Kimmeridgian | |
---|---|
Type | Geological formation |
Underlies | Lourinhã Formation |
Lithology | |
Primary | Marl |
Other | Mudstone, Coal |
Location | |
Country |
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The Alcobaça Formation is a geological formation in Portugal. It dates back to the Oxfordian stage of the Late Jurassic.[1] It is an important source of information on the diversity of Late Jurassic mammals.[2][3]
Vertebrate fauna
Dinosaur eggs are geographically located in Lisbon District, Portugal.[4] Dinosaur tracks are geographically located in Leiria District, Portugal.[5]
Amphibians
Amphibians reported from the Alcobaça Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Celtedens | Indeterminate | Porto Pinheiro |
Ornithischians
Indeterminate euornithopod remains located in Lisbon District.[4] Indeterminate stegosaurid remains present in Lisbon District.[4]
Ornithischians of the Alcobaça Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | District | Stratigraphic position | Abundance | Notes | Images |
D. armatus[4] |
| |||||
Indeterminate[4] |
Lisboa[4] |
|||||
I. prestwichi[5] |
Later found to be possible indeterminate stegosaurid remains.[5] | |||||
T. cuneatus[4] |
Lisboa[4] |
Later determined to be indeterminate ornithischian remains.[4] | ||||
Saurischians
Indeterminate sauropod remains located in Leiria and Lisboa.[6]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Saurischians reported from the Alcobaça Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | District | Stratigraphic position | Abundance | Notes | Images |
Indeterminate[5] |
![]() Brachiosaurus, close relative of Lusotitan | |||||
L. atalaiensis[4] |
||||||
Indeterminate[4] |
Lisboa[4] |
|||||
D. lourinhanensis[4] |
Lisboa[4] |
"[Two] cervicals, [nine] dorsals, ribs, limb elements."[7] |
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L. alenquerensis[4] |
Lisboa[4] |
|||||
M. insignis[4] |
Lisboa[4] |
Later determined to be indeterminate theropod remains.[4] | ||||
Turtles
Turtles reported from the Alcobaça Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Peltochelys | P. duchastelli | Guimarota | ||||
Platychelys | Indeterminate | Guimarota | ||||
Pleurosternidae | Indeterminate | Guimarota |
Lepidosauromorphs
Lepidosauromorphs reported from the Alcobaça Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Becklesius | B. hoffstetteri | Guimarota | ||||
Dorsetisaurus | D. purbeckensis | Guimarota | ||||
Marmoretta | Indeterminate | Guimarota | Basal Lepidosauromorph | |||
Portugalophis | P. lignites | Guimarota | Stem-snake | |||
Saurillodon | S. proraformis | Guimarota | ||||
Saurillus | S. henkeli, cf. obtusus | Guimarota |
Crocodyliformes
Crocodyliformes reported from the Alcobaça Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Goniopholis | G. baryglyphaeus | Guimarota | ||||
Knoetschkesuchus | K. guimarotae | Guimarota | ||||
Lisboasaurus | L. mitracostatus | Guimarota | ||||
Machimosaurus | M. hugii | Guimarota |
Mammals
Mammals reported from the Alcobaça Formation | ||||||
---|---|---|---|---|---|---|
Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
Bathmochoffatia | B. hapax | Guimarota | ||||
Bernardodon | B. sp, B. atlanticus | Porto Pinheiro | ||||
Drescheratherium | D. acutum | Guimarota | ||||
Dryolestes | D. leirensis | Guimarota | ||||
Ecprepaulax | E. anomala | Porto Pinheiro | ||||
Guimarotodon | G. leiriensis | Guimarota | ||||
Guimarotodus | G. inflatus | Guimarota | Dryolestidae | |||
Haldanodon | H. exspectatus | Guimarota | ||||
Henkelodon | H. naias, H. sp | Guimarota | ||||
Henkelotherium | H. guimarotae | Guimarota | ||||
Iberodon | I. quadrituberculatus | Porto Pinheiro | ||||
Kielanodon | K. hopsoni | Guimarota | ||||
Krebsotherium | K. lusitanicum | Guimarota | ||||
Kuehneodon | K. guimarotensis, K. dietrichi, K. simpsoni, K. uniradiculatus, K. sp | Guimarota | ||||
Laolestes | L. andresi | Porto Pinheiro | ||||
Meketibolodon | M. robustus | Guimarota | ||||
Meketichoffatia | M. krausei, M. sp | Guimarota | ||||
Nanolestes | N. krusati | Porto Pinheiro | ||||
N. drescherae | Guimarota | |||||
Paulchoffatia | P. delgadoi | Guimarota | ||||
Pinheirodon | P. sp, P. vastus, P. pygmaeus | Porto Pinheiro | ||||
Plesiochoffatia | P. thoas, P. peperethos | Guimarota | ||||
Portopinheirodon | P. asymmetricus | Porto Pinheiro | Dryolestidae | |||
Priacodon | Indeterminate | Porto Pinheiro | ||||
Proalbionbaatar | P. plagiocyrtus | Guimarota | ||||
Pseudobolodon | P. dryas, P krebsi, P. oreas | Guimarota | ||||
Renatodon | R. amalthea | Guimarota | Paulchoffatiidae | |||
? Tinodon | Indeterminate | Porto Pinheiro | ||||
Xenachoffatia | X. oinopion | Guimarota | ||||
Paulchoffatiidae | Indeterminate | Guimarota | 4 distinct genera with 7 species | |||
Pinheirodontidae | Indeterminate | Porto Pinheiro |
See also
Footnotes
- ↑ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Jurassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 545–549. ISBN 0-520-24209-2.
- ↑ "Guimarota". Paleobiology Database. Retrieved 31 August 2018.
- ↑ "Porto Pinheiro, Lourinha". Paleobiology Database. Retrieved 31 August 2018.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 "16.4 Distrito do Lisboa, Portugal; 1. Camadas de Alcobaça," in Weishampel, et al. (2004). Page 548.
- 1 2 3 4 5 6 7 8 "16.1 Distrito do Leiria, Portugal; 3. Camadas de Alcobaça," in Weishampel, et al. (2004). Page 548.
- ↑ "16.1 Distrito do Leiria, Portugal; 3. Camadas de Alcobaça," and "16.4 Distrito do Lisboa, Portugal; 1. Camadas de Alcobaça," in Weishampel, et al. (2004). Pages 548-549.
- ↑ "Table 13.1," in Weishampel, et al. (2004). Page 265.
References
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.