Rhodaliidae

Rhodaliidae is a family of siphonophores. In Japanese they are called ヒノマルクラゲ (hinomarukurage).[5]

Rhodaliidae
Dromalia alexandri
Scientific classification
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Hydrozoa
Order:	Siphonophorae
Suborder:	Physonectae
Family:	Rhodaliidae Haeckel, 1888[1]
Type genus
Rhodalia Haeckel, 1888
Genera and species
Angelopsis Fewkes, 1886 Arancialia Hissmann, 2005 Archangelopsis Lens & van Riemsdijk, 1908 Dendrogramma Just, Kristensen & Olesen, 2014 Dromalia Bigelow, 1911 Rhodalia Haeckel, 1888 Steleophysema Moser, 1924 Stephalia Haeckel, 1888 Thermopalia Pugh, 1983 Tridensa Hissmann, 2005
Synonyms[2]
Angelidae Fewkes, 1886[3] (not Angelidae Rivera & Svenson, 2016) Rhodalidae Haeckel, 1888[4]

Rhodaliids have a characteristic gas-secreting structure called aurophore.[2] Below the enlarged pneumatophore (float), the siphosome and nectosome are contracted into a complex.[2] Rhodaliids have a benthic lifestyle and use their tentacles to attach themselves to the seafloor.[2]

Genera and species

Rhodaliidae contains the following subtaxa:[2]

• Angelopsis Fewkes, 1886
  • Angelopsis euryale Pugh, 1983
  • Angelopsis globosa Fewkes, 1886
• Arancialia Hissmann, 2005
  • Arancialia captonia Hissmann, 2005
• Archangelopsis Lens & van Riemsdijk, 1908
  • Archangelopsis jagoa Hissmann, Schauer & Pugh, 1995
  • Archangelopsis typica Lens & van Riemsdijk, 1908
• Dendrogramma Just, Kristensen & Olesen, 2014
  • Dendrogramma enigmatica Just, Kristensen & Olesen, 2014
• Dromalia Bigelow, 1911
  • Dromalia alexandri Bigelow, 1911
• Rhodalia Haeckel, 1888
  • Rhodalia miranda Haeckel, 1888
• Steleophysema Moser, 1924
  • Steleophysema aurophora Moser, 1924
• Stephalia Haeckel, 1888
  • Stephalia bathyphysa (Haeckel, 1888)
  • Stephalia corona Haeckel, 1888
  • Stephalia dilata (Bigelow, 1911)
• Thermopalia Pugh, 1983
  • Thermopalia taraxaca Pugh, 1983
• Tridensa Hissmann, 2005
  • Tridensa rotunda Hissmann, 2005
  • Tridensa sulawensis Hissmann, 2005

References

1. Haeckel, E. (1888). Report on the Siphonophorae. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology. 28 (part 77): i-viii, 1-380, pl. 1-50., available online at http://www.19thcenturyscience.org/HMSC/HMSC-Reports/Zool-77/README.htm
2. Schuchert, P. (2019). World Hydrozoa Database. Rhodaliidae Haeckel, 1888. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=135350 on 2019-04-03
3. Fewkes, J. W. 1886a. Report on the medusae collected by the U. S. F. C. Steamer Albatross, in the region of the Gulf Stream, in 1883-84. - United States Commission of Fish and Fisheries 12: 927-980, pls 1-10., available online at http://www.biodiversitylibrary.org/item/53809#page/1053/mode/1up page(s): 971
4. Haeckel, E. (1888). System der Siphonophoren auf phylogenetischer Grundlage entworfen. Jenaische Zeitschrift für Naturwissenschaft. 22: 1-46., available online at http://www.biodiversitylibrary.org/item/43887#page/11/mode/1up page(s): 43
5. Japan Agency for Marine-Earth Science and Technology. (2009 onwards). Biological Information System for Marine Life (BISMaL). Accessed on 2018-11-21. available online at http://www.godac.jamstec.go.jp/bismal

Further reading

• Pugh, P. R. (1983). Benthic Siphonophores: A Review of the Family Rhodaliidae (Siphonophora, Physonectae). Philosophical Transactions of the Royal Society B: Biological Sciences. 301(1105): 165-300. (look up in IMIS), available online at https://doi.org/10.1098/rstb.1983.0025