Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Echinodermata
Subphylum: Eleutherozoa
Superclassis: Cryptosyringida
Classis: Holothuroidea
Subclassis: Actinopoda
Ordo: Dendrochirotida
Familia: Psolidae
Genera (7): Ceto – Ekkentropelma – Lissothuria – Neopsolidium – Psolicrux – Psolidium – Psolus
[source: WoRMS, with removal of Echinopsolus
]
In synonyms (4): Cuvieria – Georisia – Stolinus – Thyonepsolus
References
Arriaga-Ochoa, J.A., Alvarado, J.J., Solís-Marín, F.A. & Laguarda-Figueras, A. 2014. Lissothuria caboblanquensis n. sp., a new species of sea cucumber (Holothuroidea: Dendrochirotida: Psolidae) from Costa Rica. Zootaxa 3802(1): 144–150. DOI: 10.11646/zootaxa.3802.1.12 Reference page. [as Psolidae p. 145]
Davey, N.; Whitfield, E. 2013. The Psolidae of New Zealand and some additions to the Macquarie Ridge fauna (Echinodermata: Holothuroidea: Psolidae). Memoirs of Museum Victoria. 70: 51–67. DOI: 10.24199/j.mmv.2013.70.05 Open access Reference page. [as Psolidae p. 52]
Mackenzie, M.; Whitfield, E. 2011: An overview of the Australian psolid sea cucumbers (Echinodermata: Holothuroidea: Psolidae) with the description of 5 new species. Zootaxa 3037: 21–36. Preview PDF Reference page.
O’Loughlin, P.M. & Ahearn, C. 2008. Antarctic and Sub-Antarctic species of Psolidium Ludwig (Echinodermata: Holothuroidea: Psolidae). Memoirs of Museum Victoria 65: 23–42. DOI: 10.24199/j.mmv.2008.65.2 Open access Reference page. [as Psolidae p. 24–25]
O’Loughlin, P.M. & Maric, D. 2008. Australian species of Psolidium Ludwig (Echinodermata: Holothuroidea: Psolidae). Memoirs of Museum Victoria 65: 1–22. DOI: 10.24199/j.mmv.2008.65.1 Open access Reference page. [as Psolidae p. 1–4]
O’Loughlin, P.M., Skarbnik-López, J., Mackenzie M., VandenSpiegel, D., 2015. Sea cucumbers of the Kerguelen Plateau, with descriptions of new genus and species (Echinodermata: Holothuroidea). Memoirs of Museum Victoria. 73: 59–93. DOI: 10.24199/j.mmv.2015.73.07 Open access Reference page. [as Psolidae p. 81]
O’Loughlin, P.M.; Whitfield, E. 2010. New species of Psolus Oken from Antarctica (Echinodermata: Holothuroidea: Psolidae). Zootaxa. 2528: 61–68. DOI: 10.11646/zootaxa.2528.1.4 Open access Reference page. [as Psolidae p. 62]
Psolidae is a family of sea cucumbers, marine animals with elongated bodies, leathery skins and tentacles that are found on the sea bed.
Description
Members of the family Psolidae are small and inconspicuous sea cucumbers found in crevices and under boulders. They have a crown of branched tentacles, calcareous plates on the skin of the trunk and a basal sole that can move across the substrate. Some genera have papillae above but these are lacking in species of the genus Psolus.[1]
List of genera
Ceto Gistel, 1848 -- 1 species
Echinopsolus Gutt, 1990 -- 4 species
Ekkentropelma Pawson, 1971 -- 2 species
Lissothuria Verrill, 1867 -- 9 species
Neopsolidium Pawson, 1964 -- 2 species
Psolidium Ludwig, 1887 -- 51 species
Psolus Jaeger, 1833 -- 55 species
Psolus phantapus
References
Marine Species Identification Portal
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