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While primitive , terrestrial reptiliomorphs still existed , the synapsid amniotes evolved the first truly terrestrial megafauna ( giant animals ) in the form of pelycosaurs , such as " Edaphosaurus " and the carnivorous " Dimetrodon " .
 animal: Edaphosaurus; animal: Dimetrodon
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Edaphosaurus, Dimetrodon 
Answer:
 animal: Edaphosaurus; animal: Dimetrodon