Bush, K.J. (1904 (1905)). Tubicolous annelids of the tribes Sabellides and Serpulides from the Pacific Ocean. <em>Harriman Alaska Expedition.</em> 12: 169-346, plates XXI-XLIV., available online athttps://www.biodiversitylibrary.org/page/22063650[details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Spirorbis variabilis Bush, 1905. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=331274 on 2025-05-24
Marine Species Traits editorial board (2025). Marine Species Traits. Spirorbis variabilis Bush, 1905. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=331274 on 2025-05-24
original descriptionBush, K.J. (1904 (1905)). Tubicolous annelids of the tribes Sabellides and Serpulides from the Pacific Ocean. <em>Harriman Alaska Expedition.</em> 12: 169-346, plates XXI-XLIV., available online athttps://www.biodiversitylibrary.org/page/22063650[details]