MolluscaBase eds. (2024). MolluscaBase. Hydrocena obtusa L. Pfeiffer, 1855. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1521789 on 2024-08-04
Marine Species Traits editorial board (2024). Marine Species Traits. Hydrocena obtusa L. Pfeiffer, 1855. Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1521789 on 2024-08-04