Pronunciation: Die-op-loe-sore-us Meaning of name: "Double-armoured lizard". Species: D. acutosquameus Size: Unknown due to a lack of fossils, but is estimated to have measured between 4 and 5 metres long and weighing around 1.5 metric tonnes. Height uncertain. Family: Ankylosauridae. Diet: Herbivore. Fed on low-growing vegetation. First fossils found: Known only from a single, partial skeleton discovered by Levi Sternberg in the Dinosaur Park Formation of Alberta, Canada, in 1919. Named by Canadian palaeontologist, William Arthur Parks, in 1924. Lived: 76.5 million years ago during the Campanian stage of the Late Cretaceous in what is now western Canada.
Pronunciation: Cum-nor-re-ah Meaning of name: Named after the village of Cumnor, in Oxfordshire, England, where its fossils were discovered. Species: C. prestwichii Size: Adult size uncertain as the only known fossils belong to a juvenile. Family: Uncertain. Likely a primitive Iguanodontid. Diet: Herbivore. First fossils found: Known only from the single, partial skeleton of a juvenile discovered in the Kimmeridge Clay Formation of southern and eastern England in 1879. Named by British palaeontologist, Harry Govier Seeley, in 1888. Lived: 156 to 152.1 million years ago during the Kimmeridgian stage of the Late Jurassic in what is now southeast England.
Pronunciation: Lu-so-nek-teez Meaning of name: "Portuguese swimmer". Species: L. sauvagei Size: Unceratin due to a lack of fossils. Family: Plesiosauridae. Diet: Piscivore. First fossils found: Known only from a partial skull discovered by French palaeontologist, Henri Émile Sauvage, in the São Gião Formation of northern Portugal sometime during the 19th century. Named by Adam S. Smith, Ricardo Araújo and Octávio Mateus in 2011. Lived: 182.7 to 174.1 million years ago during the Toarcian stage of the Early Jurassic in the warm oceans that once covered what is now northern Portugal.
Pronunciation: Em-bah-sore-us Meaning of name: "Emba lizard", after the Emba River in west Kazakhstan. Species: E. minax Size: Unknown due to a lack of fossils. Family: Uncertain. Possibly either a Megalosaurid or a Tyrannosaurid. Diet: Carnivore. First fossils found: Known only from two partial vertebrae discovered in the Neocomian Sands of Kazakhstan (date of discovery uncertain). Named by Soviet paleontologist, Anatoly Riabinin, in 1931. Lived: Uncertain, but is thought to have lived around 140 million years ago during the Berriasian stage of the Early Cretaceous in what is now Kazakhstan.
Pronunciation: Zee-bee Meaning of name: Named after Georges Zbyszewski, who is noted for his work in the fields of palaeontology and geology. Species: Z. atlanticus Size: Unknown due to a lack of fossils. Family: Uncertain. Diet: Herbivore. First fossils found: Known only from a single, partial skeleton discovered in the Lourinhã Formation of central west Portugal in 1996. Named by O. V. Mateus, P. D. Mannion and P. Upchurch in 2014. Lived: 156 to 152.1 million years ago during the Kimmeridgian stage of the Late Jurassic in what is now central west Portugal.
Pronunciation: Zeh-re-seps Meaning of name: "Dry catch", in reference to the Sahara Desert where its fossils were discovered. Species: X. curvirostris Wingspan: Uncertain due to a lack of fossils, but is estimated to have measured between 3 and 4 metres. Family: Uncertain. Diet: Uncertain. Possible piscivore. First fossils found: Known only from a single, partial lower jaw discovered by local mine workers in the Kem Kem Beds of south eastern Morocco in 2017. Named by D. M. Martill, D. M. Unwin, N. Ibrahim and N. Longrich in 2018. Lived: 113 to 93.9 million years ago from the Albian stage of the Early Cretaceous to the Cenomanian stage of the Late Cretaceous in what is now south eastern Morocco.
Pronunciation: Ah-camp-toe-nek-teez Meaning of name: "Rigid swimmer", in reference to the tight-fitting bones in the back and lower part of the skull and its interlocking vertebrae. Species: A. densus Size: 3 metres long and weighing around 100kgs. Family: Opthalmosauridae. Diet: Piscivore. First fossils found: Known from several partial specimens discovered in Cremlingen, northwestern Germany and the Cambridge Greensand and Speeton Clay Formations of northern England. First discovered in 1958. Named by Valentin Fischer, Michael W. Maisch, Darren Naish, Ralf Kosma, Jeff Liston, Ulrich Joger, Fritz J. Krüger, Judith Pardo Pérez, Jessica Tainsh and Robert M. Appleby in 2012. Lived: 130 million years ago during the Hauterivian stage of the Early Cretaceous in the warm oceans that once covered parts of Germany and northern England.
Pronunciation: Pik-no-ne-mo-sore-us Meaning of name: "Dense Forest lizard". Species: P. nevesi Size: Estimated to have measured between 7 and 9 metres long, 3 metres tall and weighing 3.6 metric tonnes. Family: Abelisauridae Diet: Carnivore First fossils found: Known only from a single, partial skeleton discovered in the Adamantina Formation of Mato Grosso, western Brazil during the early 1950s. Named by A. W. A. Kellner and D. d. A. Campos in 2002. Lived: 70 million years ago during the Maastrichtian stage of the Late Cretaceous in what is now western Brazil.
Pronunciation: Sa-hal-e-yan-e-ah Meaning of name: "Black" in the Manchu language and a reference to the Amur/Heilongjiang River. Species: S. elunchunorum Size: Unknown due to a lack of fossils. Family: Lambeosaurinae (a sub-family of Hadrosauridae) Diet: Herbivore. Likely fed on both high and low-growing vegetation. First fossils found: Known only from a single, partial skeleton discovered in a bonebed in the Yuliangze Formation of Heilongjiang Province, northeast China, in 2002. Named by Pascal Godefroit, Shulin Hai, Tingxiang Yu and Pascaline Lauters in 2008. Lived: 72.1 to 66 million years ago during the Maastrichtian stage of the Late Cretaceous in what is now northeast China.