Catophragmidae

The Catophragmidae are a family of barnacles in the superfamily Chthamaloidea with eight shell wall plates (a rostrum plate, carinal plates, paired rostrolateral plates, carinolateral plates I and II), surrounded by several whorls of imbricating plates. The basis is membranous.[3]: 57 

Catophragmidae
Temporal range:
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Thecostraca
Subclass: Cirripedia
Infraclass: Thoracica
Superorder: Thoracicalcarea
(unranked): Sessilia
Order: Balanomorpha
Superfamily: Chthamaloidea
Family: Catophragmidae
Utinomi, 1968[1] nom. trans. Newman & Ross, 1976[2]36

This family occupies lower to upper midlittoral warm seas of the Pacific Coast of Central America, Caribbean, Bermuda, and Australia/Tasmania.[3]: 57 [4] These populations are highly disjunct and can be seen as relictual.

The family contains these genera:[5] All genera are at present monotypic.

The Catophragmidae have historically suffered from a lack of systematic attention. Ross and Newman, 2001[4] published a revision of the family, proposing one new genus and creating two subfamilies: Catophragminae in the northern hemisphere and Catomerinae in the southern hemisphere. The family was discussed as representing very early balanomorph lineages. The known species conserve many plesiomorphic traits. In 2021, a reclassification by Chan et al. resulted in the removal of the subfamilies and one genus.[6]

References
  1. Huzio Utinomi (1968). "A revision of the deep-sea barnacles Pachylasma and Hexelasma from Japan, with a proposal of new classification of the Chthamalidae (Cirripedia, Thoracica)". Publications of the Seto Marine Biological Laboratory. 16 (1): 21–39. doi:10.5134/175492.
  2. Newman, W. A.; A. Ross (1976). "Revision of the Balanomorph Barnacles including a catalog of the species". Memoirs of San Diego Society of Natural History. 9: 1–108.
  3. Poltarukha, O. P. (2006). Identification Atlas of the Superfamily Chthamaloidea Barnacles (Cirripedia Thoracica) in the World Ocean (in Russian). Moscow: KMK Scientific Press, Ltd. pp. 1–198. ISBN 5-87317-278-1.
  4. Ross, A.; W. A. Newman (2001). "The Catophragmidae: members of the basal balanomorph radiation". Sessile Organisms. 18 (2): 77–91. doi:10.4282/sosj.18.77. S2CID 86133936.
  5. Geoff Boxshall (2013). "Catophragmidae Utinomi, 1968". WoRMS. World Register of Marine Species. Retrieved August 25, 2021.
  6. 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.
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