Polychaeta
Origin
From the class name.
Full definition of polychaeta
Noun
- Any annelid worm of the class Polychaeta
- September 15, 2015, , Selfies of Imperial Cormorants ( Phalacrocorax atriceps ): What Is Happening Underwater?, The sediment type units used were: predominantly gravel (the most abundant sediment type around Punta León colony ), rocky, characterized by the presence of reefs (i.e. isolated small rocky outcrops that extend no longer that a few metres on a flat bottom ) and grasslike where more than 50% of the seabed was covered by structures such as polychaeta tubes and algae.