Irritator challengeri Martill, Cruickshank, Frey, Small & Clarke, 1996
Place: Romualdo Member,Santana Formation, Ceará State Time: Aptian, Early Cretaceous Taxonomy: Saurischia, Theropoda, Tetanurae, Spinosauroidea Etymology: From Latin irritator, "irritating". Specific name honours Professor Challenger, character in Arthur Conan Doyle's Lost World. Art: Andrey Atuchin Description: It and Angaturama limai may represent the same species.
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