Petrobrasaurus: Profile of a Prehistoric Giant Petrobrasaurus Petrobrasaurus (PEH-troh-BRAH-soar-us; “Petrobras lizard”) is a genus of large titanosaurian sauropod dinosaur. These enormous plant-eaters lived during the Late Cretaceous period, approximately 89 to 83 million years ago, in what is now Argentina. The first fossils of Petrobrasaurus were discovered in the Neuquén Basin during exploration work by […]
Phaedrolosaurus: Profile of a Prehistoric Giant Phaedrolosaurus Phaedrolosaurus (FEE-dro-loh-SAWR-us; “Nimble Lizard” or “Frolicsome Lizard”) is a genus of theropod dinosaur that lived during the Early Cretaceous period, approximately 140 to 100 million years ago. Its fossils were discovered in the Lianmuqin Formation in the Wuerho area of Xinjiang, China. The dinosaur was named and described
Philovenator Philovenator (FIL-oh-ven-AH-tor; “Hunting Lover”) is a genus of small troodontid theropod dinosaur that lived during the Late Cretaceous period, approximately 75 to 71 million years ago, in what is now Inner Mongolia, China. The name Philovenator combines the Greek word “philos,” meaning “loving,” and the Latin word “venator,” meaning “hunter,” referencing its presumed predatory
Phuwiangosaurus: Profile of a Prehistoric Giant from Thailand Phuwiangosaurus Phuwiangosaurus (POO-wee-ang-oh-SAWR-us; “Phu Wiang lizard”) is a genus of titanosauriform sauropod dinosaur that lived during the Early Cretaceous period, approximately 130 to 140 million years ago. Its fossils were discovered in the Sao Khua Formation in the Phu Wiang region of northeastern Thailand, which gives the
Phuwiangvenator Phuwiangvenator (Poo-wee-ang-VEN-ah-tor; “Phu Wiang hunter”) is a genus of meat-eating theropod dinosaur that lived during the Early Cretaceous period, approximately 130 to 125 million years ago. Its fossils were discovered in the Sao Khua Formation in northeastern Thailand. The name Phuwiangvenator refers to the Phu Wiang mountains, which are close to where its remains
Phyllodon: Profile of a Jurassic Herbivore Phyllodon Phyllodon (FIL-oh-don; “Leaf tooth”) is a genus of small ornithopod dinosaur that lived during the Late Jurassic period, specifically the Kimmeridgian stage, about 155 to 150 million years ago. Its fossils, mainly consisting of teeth and a few jaw fragments, were discovered in the Guimarota lignite coal mine
Piatnitzkysaurus: Profile of a Prehistoric Giant Piatnitzkysaurus Piatnitzkysaurus (pee-at-NITS-kih-SAWR-us; “Piatnitzky’s lizard”) is a genus of megalosauroid theropod dinosaur that lived during the Middle Jurassic period, approximately 166 to 164 million years ago, in what is now Argentina. The name honors Alejandro Matveievich Piatnitzky, a notable Russian-Argentine geologist. Piatnitzkysaurus was first described by paleontologist José Bonaparte
Pilmatueia: Profile of a Prehistoric Giant Pilmatueia Pilmatueia (PIL-mah-TWAY-ah; “Pilmatué lizard”) is a genus of dicraeosaurid sauropod dinosaur that lived during the Early Cretaceous period, approximately 139 to 132 million years ago. Its fossils were discovered in the Mulichinco Formation in the Neuquén Province of Argentina, a region rich in dinosaur discoveries. The name Pilmatueia
Pinacosaurus: Profile of a Prehistoric Giant Pinacosaurus Pinacosaurus (pih-NAK-oh-SAWR-us; “Tablet lizard”) is a genus of ankylosaurid dinosaur that lived during the Late Cretaceous period, approximately 80 to 75 million years ago (Campanian stage), in what is now Mongolia and China. The name Pinacosaurus comes from the Greek words “pinax” (meaning tablet or plank) and “sauros”
Pisanosaurus Pisanosaurus (pih-SAH-no-SAWR-us; “Pisano’s lizard”) is a genus of early dinosauriform, possibly one of the first ornithischian dinosaurs, that lived during the Late Triassic period, about 228 to 216 million years ago. Its fossils were discovered in the Ischigualasto Formation of Argentina. The name honors Argentine paleontologist Juan A. Pisano. Pisanosaurus was first described in
