1.A tee with 33 tips will be given, with three of them filled by DUCKBILL PLATYPUS,PLESIOSAURIA and NEOAVES (given in all capitals in the list below). You are supposed to fill the remaining 30 tips with the names below. Aetosauria Ichthyornis Protosuchus Ambulocetus Macropus (Kangaroos) Pteranodon Archaeopteryx Meiolania (Most basal interpretation) Pterodaustro Bos (Cows) NEOAVES Rhamphorhynchus Ceratopsia Odontochelys Sauropoda Crocodylia Pachypleurosauria Saurosphargidae Desmostylia Pistosauridae Sinodelphis Dromaeosauridae Placodontia Sirenia DUCKBILL PLATYPUS PLESIOSAURIA Ursus (Bears) Enaliarctos Prestosuchus Eomaia Proganochelys Eudimorphodon Protostega Also, you will be asked to identify parts of the tree for the following names: Archosauria Mammalia Sauropterygia Avialae Metatheria Theria Dinosauria Pseudosuchia Eutheria Pterosauria Aetosauria Ichthyornis Protosuchus Ambulocetus Macropus (Kangaroos) Pteranodon Archaeopteryx Meiolania (Most basal interpretation) Pterodaustro Bos (Cows) NEOAVES Rhamphorhynchus Ceratopsia Odontochelys Sauropoda Crocodylia Pachypleurosauria Saurosphargidae Desmostylia Pistosauridae Sinodelphis Dromaeosauridae Placodontia Sirenia DUCKBILL PLATYPUS PLESIOSAURIA Ursus (Bears) Enaliarctos Prestosuchus Eomaia Proganochelys Eudimorphodon Protostega.