492
In 1837 " Cyclura ricordii " was described as a species new to science by André Marie Constant Duméril and Gabriel Bibron , who at that time named it " Aloponotus ricordii " .
 person: André Marie Constant Duméril; person: Gabriel Bibron
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: André Marie Constant Duméril, Gabriel Bibron 
Answer:
 person: André Marie Constant Duméril; person: Gabriel Bibron