WoRMS taxon details
Megapetalus H.L. Clark, 1929 †
Oopneustes Nisiyama, 1968 † · unaccepted (subjective junior synonym)
Paleopneustes (Oopneustes) Nisiyama, 1968 † · unaccepted (subjective junior synonym)
marine, brackish, fresh, terrestrial
fossil only
Clark, H. L. (1929). A new Miocene echinoid from California. <em>Transactions of the San Diego Society of Natural History.</em> 5: 257-262. [details]
Kroh, A.; Mooi, R. (2025). World Echinoidea Database. Megapetalus H.L. Clark, 1929 †. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=512833 on 2025-09-13
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Nomenclature
original description
Clark, H. L. (1929). A new Miocene echinoid from California. <em>Transactions of the San Diego Society of Natural History.</em> 5: 257-262. [details]
To Echinoid Directory
To Echinoid Directory (from synonym Oopneustes Nisiyama, 1968 †)
To Echinoid Directory (from synonym Paleopneustes (Oopneustes) Nisiyama, 1968 †)
To Echinoid Directory (from synonym Oopneustes Nisiyama, 1968 †)
To Echinoid Directory (from synonym Paleopneustes (Oopneustes) Nisiyama, 1968 †)