How can you name a dinosaur on the strength of a couple of teeth?
I wonder about that too, sometimes. How do palaeontologists know they've got a new dino when all they've got to work with is maybe one or two bones? There must be some way of telling that they belong to a new species.
Pronunciation: Zaa-rah-fa-sore-ra Meaning of name: "Giraffe lizard". Species: Z. oceanis Size: Estimated to have measured around 7 metres long. Weight uncertain. Family: Elasmosauridae. Diet: Piscivore. First fossils found: Previously known only from a single, partial skull discovered in the Ouled Abdoun Basin of Morocco, North Africa, in 2011. Named in the same year by Peggy Vincent, Nathalie Bardet, Xabier Pereda Suberbiola, Baâdi Bouya, Mbarek Amaghzaz and Saïd Meslouh. Since this first discovery, a more complete specimen has been found. Lived: 72.1 to 66 million years ago during the Maastrichtian stage of the Late Cretaceous in the warm oceans that once covered what is now Morocco, North Africa.
Pronunciation: Tan-e-coe-lag-ree-us Meaning of name: "Long limb hunter". Species: T. topwilsoni Size: Estimated to have measured around 4 metres long, 1.5 metres tall and weighing 120kgs. Family: Coeluridae. Diet: Carnivore. First fossils found: Known only from a single, almost-complete juvenile skeleton discovered in the Morrison Formation of Wyoming in 1995. Named by Kenneth Carpenter, Clifford Miles and Karen Cloward in 2005. Lived: 157.3 to 145 million years ago during the Kimmeridgian and Tithonian stages of the Late Jurassic in what is now the western United States.
Pronunciation: Rat-kas-ee-ma-sore-us Meaning of name: "Ratchasima lizard", after the province in northeastern Thailand where its fossils were discovered. Species: R. suranareae Size: Unknown due to a lack of fossils. Family: Uncertain. Possible Iguanodontid. Diet: Herbivore. First fossils found: Known only from a lower jaw discovered in the Khok Kruat Formation of Nakhon Ratchasima Province, northeastern Thailand (date of discovery uncertain). Named by Masateru Shibata, Pratueng Jintasakul and Yoichi Azuma in 2011. Lived: 125 to 113 million years ago during the Aptian stage of the Early Cretaceous in what is now northeastern Thailand.
Pronunciation: U-nen-lag-ee-ah Meaning of name: "Half bird". Species: U. comahuensis, U. paynemili Size: Estimated to have measured between 2 and 3 metres long, 1 metre tall and weighing up to 75kgs. Family: Dromaeosauridae Diet: Carnivore First fossils found: Known only from a single, partial skeleton discovered in Neuquén province, western Argentina, in 1996. U. comahuensis named by Fernando Emilio Novas and Pablo Puerta in 1997. U. paynemili named by Jorge Calvo, Juan Porfiri and Alexander Kellner in 2004. Lived: 93.9 to 86.3 million years ago during the Turonian and Coniacian stages of the Late Cretaceous in what is now western Argentina.
Pronunciation: Eye-low-kee-leez-e-ah Meaning of name: "Flesh lizard". Species: I. aguadagrandensis Size: Estimated to have measured between 5 and 6 metres long, 2.5 metres tall and weighing around 840kgs. Family: Carnotaurinae (a sub-family of Abelisauridae) Diet: Carnivore. First fossils found: Known only from a single, partial skeleton and a fragmentary skull discovered in the Río Limay Formation of Neuquén Province, western Argentina, in 1991. Named by Argentinian palaeontologists, Rodolfo Coria and Leonardo Salgado, in 1998. Lived: 100.5 to 93.9 million years ago during the Cenomanian stage of the Late Cretaceous in what is now western Argentina.