Robuta

https://marinespecies.org/hydrozoa/aphia.php/api-docs/css/aphia.php?p=taxdetails&id=285317

Hydrozoa - The World Hydrozoa Database - Porpita linneana Lesson, 1843

hydrozoa world database porpita lesson

https://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=117831

Hydrozoa - The World Hydrozoa Database - Porpita porpita (Linnaeus, 1758)

hydrozoa world database porpita linnaeus