World Register of Marine Species (WoRMS)
Paraprionospio cordifolia Yokoyama, 2007
Read, G.; Fauchald, K. (Ed.) (2026). World Polychaeta Database. Paraprionospio cordifolia Yokoyama, 2007. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1469962 on 2026-08-04
Yokoyama, Hisashi. (2007). A revision of the genus Paraprionospio Caullery (Polychaeta: Spionidae). Zoological Journal of the Linnean Society. 151(2): 253-284.