chaetopodan
/ˌtʃiːtəˈpoʊdən/ or /ˌtʃiːtəˈpoʊdæn/Definitions
1. noun
A member of the class Chaetopoda, an order of annelid worms, now usually considered to belong to the class Oligochaeta or the class Polychaeta.
“The chaetopodan worms were found in large numbers in the riverbed.”