Harmer, S. F. (1957). The Polyzoa of the Siboga Expedition, Part 4. Cheilostomata Ascophora II. <em>Siboga Expedition Reports.</em> 28d: 641-1147.[details]
Bock, P. (2024). World List of Bryozoa. Petralia ingens Harmer, 1957. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=472419 on 2024-07-10
Marine Species Traits editorial board (2024). Marine Species Traits. Petralia ingens Harmer, 1957. Accessed at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=472419 on 2024-07-10
original descriptionHarmer, S. F. (1957). The Polyzoa of the Siboga Expedition, Part 4. Cheilostomata Ascophora II. <em>Siboga Expedition Reports.</em> 28d: 641-1147.[details]
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