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Paleontological sheets : dinosaurs and other prehistoric animals.

247 Fiches Dinosaures et autres animaux préhistoriques
Images et textes tirés de différents sites dont Earth Archives et Monsters of the past

Des fiches sur des animaux disparus incluant image, texte informatif,
l'âge de l'animal et la période (selon l'International Chronostratigraphic Chart - 2016) pendant laquelle il a vécu
et quelques éléments de la classification phylogénétique.
Recherchez une fiche particulière à partir de sa 1ère lettre ci-dessous.
D'autres fiches vont suivre.
Les fiches sont en anglais, désolé.

Fiches commençant par A B C D E F G H I J K L M N O P Q R S T U V W X Z

ou Retour à l'index avec la classification

24 fiches dont le nom commence par la lettre P

Cliquez sur les miniatures pour voir les images en taille réelle, puis cliquez n'importe où pour revenir ici.

PhylumClassOrderFamily
ChordataReptiliaOrnithischiaPachycephalosauridae
AgeGeologic time
75 - 66 Ma | Cretaceous |

Pachycephalosaurus wyomingensis

PhylumClassOrderFamily
ChordataReptiliaOrnithischiaPachycephalosauridae
AgeGeologic time
75 - 66 Ma | Cretaceous |

Pachycephalosaurus

The bone-headed dinosaur lived in Cretaceous Period of North America. The plants in this environment were not too different from what we see today, including familiar flowering plants such as Magnolia.

PhylumClassOrderFamily
ChordataReptiliaOrnithischiaCeratopsidae
AgeGeologic time
73.5 - 69 Ma | Cretaceous |

Pachyrhinosaurus canadensis

Unlike its better-known cousin Triceratops, Pachyrhinosaurus had no horns on its face. The lumpy mass of bone, called a nasal boss, was likely used for combat with its own species.

PhylumClassOrderFamily
ChordataMammaliaArtiodactylaPakicetidae
AgeGeologic time
52 - 48 Ma | Paleogene |

Pakicetus

It lived roughly 50 million years ago and is widely regarded as the earliest known whale. With its four long legs, it was more similar in appearance to its even-toed ungulate relatives, like pigs and the hippopotamus.

PhylumClassOrderFamily
ChordataMammaliaRodentiaCastoridae
AgeGeologic time
| Paleogene | Neogene |

Palaeocastor

Devils Corkscrew is the name given to the fossilized burrows dug by the extinct beaver Palaeocastor. The strangely-shaped burrows were previously believed to be freshwater sponges or some kind of vegetation.

PhylumClassOrderFamily
ChordataMammaliaCarnivoriaFelidae
AgeGeologic time
1.3 Ma - 11,000 | Quaternary |

Panthera leo spelaea

While many cave lion fossils have been found in caves, this extinct big cat actually lived in various ecosystems from Spain to Alaska. Prehistoric paintings and figurines made by ice age societies help us understand what the cats would've looked like in life.

PhylumClassOrderFamily
MolluscaCephalopodaAmmonitidaDesmoceratidae
AgeGeologic time
94 - 72 Ma | Cretaceous |

Parapuzosia

Parapuzosia was a large Cretaceous ammonite which could grow up to 3 m (9.8 ft) in diameter. It lived in a sea full of predators like the monitor lizard-like Mosasaurus.

PhylumClassOrderFamily
ChordataReptiliaOrnithischiaHadrosauridae
AgeGeologic time
76 - 65 Ma | Cretaceous |

Parasaurolophus

PhylumClassOrderFamily
ChordataMammaliaRodentiaDinomyidae
AgeGeologic time
| Neogene |

Phoberomys

As a giant caiman, Purussaurus grew up to 12.5 m (41 ft) long and had twice the bite force of Tyrannosaurus. In life, it could have preyed on large animals such as the rhinoceros-sized rodent Phoberomys.

PhylumClassOrderFamily
ChordataReptiliaPhytosauriaPhytosauridae
AgeGeologic time
245 - 199.6 Ma | Triassic |

Phytosauridae

Phytosaurs are an extinct group of large, mostly semiaquatic Late Triassic archosauriform reptiles. Phytosaurs were long-snouted and heavily armoured, bearing a remarkable resemblance to modern crocodilians in size, appearance, and lifestyle, as an example of convergence or parallel evolution.

PhylumClassOrderFamily
ChordataMammaliaProboscideaAmebelodontidae
AgeGeologic time
15 - 10 Ma | Neogene |

Platybelodon grangeri

Platybelodon, or "Flat-spear tusk", was an elephant relative from the Miocene Epoch. Despite its shovel-like appearance, its jaw was likely used to cut vegetation like a scythe.

PhylumClassOrderFamily
ChordataMammaliaProboscideaAmebelodontidae
AgeGeologic time
15 - 4 Mo | Neogene |

Platybelodon holyokensis

PhylumClassOrderFamily
ChordataReptiliaPlesiosauria
AgeGeologic time
203.6 - 66 Ma | Jurassic | Cretaceous |

Plesiosauria

Plesiosaurs had a broad flat body and a short tail. Their limbs had evolved into four long flippers, which were powered by strong muscles attached to wide bony plates formed by the shoulder girdle and the pelvis. The flippers made a flying movement through the water. Plesiosaurs breathed air, and bore live young; there are indications that they were warm-blooded.

PhylumClassOrderFamily
ChordataReptiliaRauisuchiaRauisuchidae
AgeGeologic time
220 - 215 Ma | Triassic |

Postosuchus kirkpatricki

PhylumClassOrderFamily
ChordataReptiliaOrnithischiaPachycephalosauridae
AgeGeologic time
80 - 75 Ma | Cretaceous |

Prenocephale prenes

This Late Cretaceous dinosaur is related to the better known dome-headed dinosaur, Pachycephalosaurus. Its thick dome is decorated with spikes and bumps, and was likely used in combat.

PhylumClassOrderFamily
ChordataAmphibiaAnuraPelobatoidea
AgeGeologic time
+/- 60 Ma | Paleogene |

Prospea holoserisca

Crown-group spadefoot toads (Anura: Pelobatoidea) are the best-known fossorial frog clade to inhabit arid environments, with species utilizing a characteristic bony spade on their foot for burrowing. Here we report a rare fossil of a crown-group spadefoot toad from the late Paleocene of Mongolia. The late Paleocene age and other information suggestive of a mild climate cast doubt on the conventional assertion that burrowing evolved as an adaptation to aridity in spadefoot toads. Quantitative biogeographic analysis suggests that Scaphiopodidae, despite originating in North America, dispersed into East Asia via Beringia in the Early Cenozoic.

PhylumClassOrderFamily
ChordataReptiliaOrnithischiaProtoceratopsidae
AgeGeologic time
85 - 75 Ma | Cretaceous |

Protoceratops andrewsi


Psittacosaurus mongolensis

PhylumClassOrderFamily
ChordataReptiliaPterosauriaPteranodontidae
AgeGeologic time
115 - 70 Ma | Cretaceous |

Pteranodon sternbergi

PhylumClassOrderFamily
ChordataReptiliaPterosauriaPteranodontidae
AgeGeologic time
115 - 70 Ma | Cretaceous |

Pteranodon

With over 1,200 specimens found, the fish-eating Pteranodon is the best understood pterosaur genus. It lived by the ancient sea that once divided North America and could have shared this habitat with the aquatic bird Hesperornis.

PhylumClassOrderFamily
ChordataReptiliaPterosauriaCtenochasmatidae
AgeGeologic time
145 - 100 Ma | Cretaceous |

Pterodaustro guinazui

PhylumClassOrderFamily
ChordataReptiliaSaurischia?
AgeGeologic time
| Jurassic |

Pulanesaura eocollum

Unlike its later relatives which fed on taller trees, this Early Jurassic sauropod was a low browser. Its name comes from the Sesotho word meaning "comes with rain", referring to the rain that poured during its excavation.

PhylumClassOrderFamily
ChordataReptiliaCrocodiliaAlligatoridae
AgeGeologic time
| Neogene |

Purussaurus

As a giant caiman, Purussaurus grew up to 12.5 m (41 ft) long and had twice the bite force of Tyrannosaurus. In life, it could have preyed on large animals such as the rhinoceros-sized rodent Phoberomys.

PhylumClassOrderFamily
ChordataReptiliaSaurischiaAbelisauridae
AgeGeologic time
70 a | Cretaceous |

Pycnonemosaurus

Pycnomemosaurus and Carnotaurus were South American abelisaurids. These strange Cretaceous theropods with vestigial arms, powerful legs and ornamented heads were the apex predators in their ecosystems.




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