45227
" Acropora microclados " is a species of acroporid coral that was first described by Christian Gottfried Ehrenberg in 1834 .
 coral, Christian Gottfried Ehrenberg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 coral, Christian Gottfried Ehrenberg