Chelonibia

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Chelonibia
Temporal range: Miocene–Recent
Chelonibia patula on Blue crab.jpg
Chelonibia patula on the blue crab Callinectes sapidus
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Class: Thecostraca
Subclass: Cirripedia
Order: Balanomorpha
Superfamily: Coronuloidea
Family: Chelonibiidae
Pilsbry, 1916
Subfamily: Chelonibiinae
Genus: Chelonibia
Leach, 1817

Chelonibia is a genus of acorn barnacles in the family Chelonibiidae of the subphylum Crustacea. [1] Its members are epizootic and live attached to manatees, turtles, marine molluscs, crabs and horseshoe crabs in all tropical and subtropical oceans. [2] In a few instances, they have been found on sea snakes, [3] alligators [4] and inanimate substrates, [5] but they are not found in the typical habitats of barnacles – on rocks, docks or boats.

Contents

Phylogeny

They appear to be the sister group to the Balanidae. [6]

Fossils

The fossil record of Chelonibia ranges back to the Miocene. [7]

Species

The genus contains four extant species: [8] [9]

Recent molecular genetic work suggests that three of the species, Chelonibia manati, C. patula and C. testudinaria, are all the same species. Depending on the host species, they develop plastically very distinct morphology but cannot be distinguished on the genetic level. [10]

Three species are only known from the fossil record:

References

  1. ↑ Chan, Benny K. K.; Dreyer, Niklas; Gale, Andy S.; Glenner, Henrik; et al. (2021). "The evolutionary diversity of barnacles, with an updated classification of fossil and living forms". Zoological Journal of the Linnean Society. 193 (3): 789–846. doi: 10.1093/zoolinnean/zlaa160 . hdl: 11250/2990967 .
  2. ↑ Newman, William A.; A. Ross (March 31, 1976). "Revision of the balanomorph barnacles including a catalog of the species". San Diego Society of Natural History Memoirs. 9: 1–109.
  3. ↑ Badrudeen, M. (2000). "On the occurrence of the cirriped barnacle, Chelonibia patula (Ranzani) on the sea snake, Hydrophis cyanocintus (Daudin)". Marine Fisheries Information Service, Technical and Extension Series. 164: 25.
  4. ↑ Nifong, James; M. G. Frick (2012). "First record of the American alligator (Alligator mississippiensis) as a host to the sea turtle barnacle (Chelonibia testudinaria)". The Southeastern Naturalist . 10 (3): 557–560. doi:10.1656/058.010.0316. S2CID   12626303.
  5. ↑ Frazier, J. G.; D. Margaritoulis (1990). "The occurrence of the barnacle, Chelonibia patula (Ranzani, 1818), on an inanimate substratum (Cirripedia, Thoracica)". Crustaceana . 59 (2): 213–218. doi:10.1163/156854090x00688. JSTOR   20104595.
  6. ↑ Perez-Losada, M.; M. Harp; J. T. Høeg; Y. Achituv; D. Jones; H. Watanabe; K. A. Crandall (2008). "The tempo and mode of barnacle evolution" (PDF). Molecular Phylogenetics and Evolution . 46 (1): 328–346. doi:10.1016/j.ympev.2007.10.004. PMID   18032070. Archived from the original (PDF) on 2010-11-22.
  7. ↑ Harzhauser, M.; W. A. Newman; P. Grunert (2011). "A new Early Miocene barnacle lineage and the roots of sea-turtle fouling Chelonibiidae (Cirripedia, Balanomorpha)". Journal of Systematic Palaeontology . 9 (4): 473–480. doi:10.1080/14772019.2010.528053. S2CID   86354876.
  8. ↑ Ryota Hayashi (2012). "A checklist of turtle and whale barnacles (Cirripedia: Thoracica: Coronuloidea)". Journal of the Marine Biological Association of the United Kingdom . 93: 143–182. doi:10.1017/S0025315412000847. S2CID   83501299.
  9. ↑ Benny K. K. Chan (2012). "Chelonibia Leach, 1817". WoRMS. World Register of Marine Species . Retrieved December 1, 2012.
  10. ↑ Cheang C; Tsang L; Chu K; Cheng I-J; Chan B (2013). "Host-Specific Phenotypic Plasticity of the Turtle Barnacle Chelonibia testudinaria: A Widespread Generalist Rather than a Specialist". PLoS ONE . 8 (3) e57592. Bibcode:2013PLoSO...857592C. doi: 10.1371/journal.pone.0057592 . PMC   3585910 . PMID   23469208.


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