Jerarquía taxonómica:
Serpulidae → Pyrgopolon ctenactis (Mörch, 1863)

Familia:
Serpulidae

Autor:
(Mörch, 1863)

Sinónimos:
Serpula ctenactis Mörch, 1863
Sclerostyla ctenactis Mörch, 1863
Placostegus calciferus Treadwell, 1929