''Ibla'' is a genus of

barnacle Barnacles are arthropods of the subclass (taxonomy), subclass Cirripedia in the subphylum Crustacean, Crustacea. They are related to crabs and lobsters, with similar Nauplius (larva), nauplius larvae. Barnacles are exclusively marine invertebra ...

. In 1848,

Charles Darwin Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English Natural history#Before 1900, naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all speci ...

studied the genus and found species with hermaphrodites and tiny males. In this genus the number

androdioecious Androdioecy is a reproductive system characterized by the coexistence of males and hermaphrodites. Androdioecy is rare in comparison with the other major reproductive systems: dioecy, gynodioecy and hermaphroditism. In animals, androdioecy has be ...

species is uncertain because some authors use the words

female An organism's sex is female ( symbol: ♀) if it produces the ovum (egg cell), the type of gamete (sex cell) that fuses with the male gamete (sperm cell) during sexual reproduction. A female has larger gametes than a male. Females and ...

and

hermaphrodite A hermaphrodite () is a sexually reproducing organism that produces both male and female gametes. Animal species in which individuals are either male or female are gonochoric, which is the opposite of hermaphroditic. The individuals of many ...

interchangeably.

Species

Species in this genus include: *''

Ibla cumingi ''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 androdioecious species is uncertain because some authors use the words female and hermaphro ...

'' *''

Ibla quadrivalvis ''Ibla quadrivalvis'' is a species of barnacle in the Iblidae family. The common name for this species is hairy stalked barnacle. The species was studied by Charles Darwin. He first described that this specie is androdioecious. They live unde ...

'' *''

Ibla atlantica ''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 androdioecious species is uncertain because some authors use the words female and hermaphrod ...

'' *''

Ibla sibogae ''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 androdioecious species is uncertain because some authors use the words female and hermaphrod ...

'' *''

Ibla pygmaea ''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 androdioecious species is uncertain because some authors use the words female and hermaphrod ...

'' *''

Ibla idiotica ''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 androdioecious species is uncertain because some authors use the words female and hermaphrod ...

'' *''

Ibla cuvieriana ''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 androdioecious species is uncertain because some authors use the words female and hermaphrod ...

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 {{Taxonbar, from1=Q15896258, from2=Q21216255 Barnacles