Rueckert, Sonja, Wakeman, Kevin C., Leander, Brian S., "Discovery of a Diverse Clade of Gregarine Apicomplexans (Apicomplexa: Eugregarinorida) from Pacific Eunicid and Onuphid Polychaetes, Including Descriptions ofParalecudinan. gen.,Trichotokara japonican. sp., andT. eunicaen. sp.", , 2013