3130
The papilla ( nipple-like projection ) on the dorsal ( upper ) side of the penis is covered with small spines , a character " Oryzomys couesi " shares only with " Oligoryzomys " and the marsh rice rat among oryzomyines examined .
 animal: Oligoryzomys
Please list all entity words in the text that fit the category.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} 
Answer:
 animal: Oligoryzomys