Robuta

https://www.marinespecies.org/aphia.php?p=taxdetails&id=505795

WoRMS - World Register of Marine Species - Atactodea erycinaea (Lamarck, 1818)

marine species worms world register atactodea

https://www.marinespecies.org/aphia.php?p=taxdetails&id=140349

WoRMS - World Register of Marine Species - Atactodea striata (Gmelin, 1791)

marine species atactodea striata worms world register