Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Chaetocladus capitatus - Chaetocladus capitatus is an extinct species of green algae in the genus Chaetocladus which existed in what is now Cornwallis Island Arctic Canada during the Silurian period. It was described by Steven T. Loduca Michael J. Melchin and Heroen Verbruggen in 2011.
The answer is:
Plant