Sinraptor: Profile of a Prehistoric Giant Sinraptor Sinraptor (SIN-rap-tor; “Chinese Thief”) is a genus of large theropod dinosaur that roamed what is now China during the Late Jurassic period, approximately 161 to 155 million years ago. The name Sinraptor comes from “Sino,” meaning Chinese, and “raptor,” meaning plunderer or thief, reflecting its predatory nature and […]
Sinusonasus Sinusonasus (SIGH-noo-SOH-nuh-sus; “Wavy Nose”) is a genus of troodontid theropod dinosaur that lived during the Early Cretaceous period, approximately 124 million years ago. Its fossils were discovered in the Yixian Formation of Liaoning Province, China, an area famous for its exceptionally well-preserved fossils. The name Sinusonasus refers to the distinct wavy, or sinuous, shape
Skorpiovenator Skorpiovenator (SKOR-pee-oh-ven-AH-tor; “Scorpion hunter”) is a genus of abelisaurid theropod dinosaur that lived during the Late Cretaceous period, approximately 95 million years ago, in what is now Patagonia, Argentina. The name refers to the many scorpions found at the site where its fossils were discovered. Skorpiovenator was first described by paleontologists in 2009 based
Sonorasaurus: Profile of a Prehistoric Giant Sonorasaurus Sonorasaurus (soh-NOR-ah-SAWR-us; “Lizard from Sonora”) is a genus of brachiosaurid sauropod dinosaur that lived during the middle part of the Cretaceous period, approximately 112 to 93 million years ago, in what is now Arizona, USA. The name refers to the Sonoran Desert region where its fossils were discovered.
Sphaerotholus: Profile of the Dome-Headed Dinosaur Sphaerotholus Sphaerotholus (SFEER-oh-THOE-lus; “ball dome”) is a genus of pachycephalosaurid dinosaur that lived during the Late Cretaceous period, approximately 77 to 66 million years ago. Its fossils have been discovered in several locations across North America, including New Mexico, Montana, Wyoming, and South Dakota in the United States, and
Spiclypeus: Profile of a Prehistoric Giant Spiclypeus Spiclypeus (SPY-klip-ee-us; “spiked shield”) is a genus of chasmosaurine ceratopsid dinosaur that lived during the Late Cretaceous period, specifically the Campanian stage, about 76.2 to 75.2 million years ago. Its fossils were discovered in the Judith River Formation of Montana, USA. The name Spiclypeus was given in 2016
Spinophorosaurus: Profile of a Prehistoric Giant Spinophorosaurus Spinophorosaurus (SPY-no-FOR-oh-SAWR-us; “Spine-bearing lizard”) is a genus of sauropod dinosaur that lived during the Middle Jurassic period, approximately 168 to 165 million years ago. Its fossils were discovered in what is now Niger, Africa. The name Spinophorosaurus refers to the bony spikes found at the end of its
Spinops Spinops (SPIH-nops; “spine face”) is a genus of centrosaurine ceratopsid dinosaur that lived during the Late Cretaceous period, about 76.5 to 75.5 million years ago, in what is now Alberta, Canada. The name Spinops comes from the Latin word “spina” meaning thorn or spine, and the Greek word “ops” meaning face, referring to the
Spinosaurus: Profile of a Prehistoric Giant Spinosaurus Spinosaurus (SPY-no-SAWR-us; “spine lizard”) is a genus of spinosaurid theropod dinosaur that lived during the Late Cretaceous period, specifically the Cenomanian to Turonian stages, approximately 99 to 93.5 million years ago. Its fossils have been discovered in what is now North Africa. The name Spinosaurus refers to the
Spinostropheus: Profile of the Middle Jurassic “Spined Vertebra” Dinosaur Spinostropheus Spinostropheus (SPY-no-STRO-fee-us; “Spined vertebra”) is a genus of theropod dinosaur that lived during the Middle Jurassic period, approximately 168 to 166 million years ago, in what is now Niger, Africa. The name Spinostropheus refers to the well-developed spines on its vertebrae, which are a key
