Ibla is a genus of barnacle. In 1848, Charles Darwin studied the genus and found species with hermaphrodites and tiny males. In this genus the number of androdioecious species is uncertain because some authors use the words female and hermaphrodite interchangeably.
Species Species in this genus include:
Ibla cumingi Ibla quadrivalvis Ibla sibogae Ibla pygmaea Ibla idiotica Ibla cuvieriana
References
Leach, M.D. (1825). XXIII. A tabular view of the Genera composing the Class Cirripedes, with Descriptions of the Species of Otion, Cineras, and Clyptra. The Zoological journal. 2: 208–215. page(s): 209 cited in WoRMS http://www.marinespecies.org/aphia.php?p=taxdetails&id=205861 WoRMS (2021). Ibla Leach, 1825. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=205861