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While " Hesperornis " is not thought to have left descendants , the earliest modern seabirds also occurred in the Cretaceous , with a species called " Tytthostonyx glauconiticus " , which seems allied to the Procellariiformes and Pelecaniformes .
 animal: Procellariiformes; animal: Pelecaniformes
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: Procellariiformes, Pelecaniformes 
Answer:
 animal: Procellariiformes; animal: Pelecaniformes