taxonID	namePublishedIn	acceptedNameUsageID	parentNameUsageID	originalNameUsageID	kingdom	phylum	class	order	family	genus	taxonRank	scientificName	scientificNameAuthorship	canonicalName	verbatimScientificName	basionymAuthors	basionymYear	combinationAuthors	combinationYear	taxonomicStatus	nomenclaturalStatus	references	taxonRemarks
467887FDC3303A66FDD782F564BFF8FD.taxon					Animalia	Echinodermata	Somasteroidea				class	Somasteroidea Spencer 1951	Spencer 1951	Somasteroidea	SOMASTEROIDEA SPENCER, 1951			Spencer	1951			https://treatment.plazi.org/id/467887FDC3303A66FDD782F564BFF8FD	
467887FDC3303A67FC7D85BF614DFD31.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae		family	Chinianasteridae Spencer 1951	Spencer 1951	Chinianasteridae	CHINIANASTERIDAE Spencer, 1951			Spencer	1951			https://treatment.plazi.org/id/467887FDC3303A67FC7D85BF614DFD31	
467887FDC3313A65FEE6879E623AF8A6.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Chinianaster	species	Chinianaster levyi Thoral 1935	Thoral 1935	Chinianaster levyi	Chinianaster levyi Thoral, 1935			Thoral	1935			https://treatment.plazi.org/id/467887FDC3313A65FEE6879E623AF8A6	
467887FDC3313A67FEE186F9611DFAC5.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Chinianaster	genus	Chinianaster Thoral 1935	Thoral 1935	Chinianaster	Chinianaster Thoral, 1935			Thoral	1935			https://treatment.plazi.org/id/467887FDC3313A67FEE186F9611DFAC5	
467887FDC3313A67FF2380FB624AFB23.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae		subFamily	Chinianasterinae Spencer 1951	Spencer 1951	Chinianasterinae	CHINIANASTERINAE Spencer, 1951			Spencer	1951			https://treatment.plazi.org/id/467887FDC3313A67FF2380FB624AFB23	
467887FDC3333A65FEBE857F6402F998.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Cantabrigiaster	genus	Cantabrigiaster Hunter & Ortega-Hernandez 2021	Hunter & Ortega-Hernandez 2021	Cantabrigiaster	Cantabrigiaster Hunter & Ortega-Hernández, 2021			Hunter & Ortega-Hernandez	2021			https://treatment.plazi.org/id/467887FDC3333A65FEBE857F6402F998	
467887FDC3333A65FEBE857F6402F998.taxon.syn1	BLAKE D. B. & HOTCHKISS F. H. C. 2022. - Origin of the subphylum Asterozoa and redescription of a Moroccan Ordovician somasteroid. Geobios 72 - 73: 22-36. https://doi.org/10.1016/j.geobios.2022.07.002	467887FDC3333A65FEBE857F6402F998.taxon			Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Villebrunaster	genus	Villebrunaster Blake & Hotchkiss 2022	Blake & Hotchkiss 2022	Villebrunaster	Villebrunaster Blake & Hotchkiss, 2022: 30			Blake & Hotchkiss	2022	synonym		https://treatment.plazi.org/id/467887FDC3333A65FEBE857F6402F998	
467887FDC3333A60FC3E845F6485FC05.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Cantabrigiaster	species	Cantabrigiaster fezouataensis Hunter & Ortega-Hernandez 2021	Hunter & Ortega-Hernandez 2021	Cantabrigiaster fezouataensis	Cantabrigiaster fezouataensis Hunter & Ortega-Hernández, 2021			Hunter & Ortega-Hernandez	2021			https://treatment.plazi.org/id/467887FDC3333A60FC3E845F6485FC05	
467887FDC3333A60FC3E845F6485FC05.taxon.syn1		467887FDC3333A60FC3E845F6485FC05.taxon			Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Villebrunaster	species	Villebrunaster fezouataensis Ebbestad & Lefebvre 2015	Ebbestad & Lefebvre 2015	Villebrunaster fezouataensis	Villebrunaster fezouataensis			Ebbestad & Lefebvre	2015	synonym		https://treatment.plazi.org/id/467887FDC3333A60FC3E845F6485FC05	
467887FDC3363A60FC7A81D863F3FB6E.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Thoralaster	genus	Thoralaster Dean Shackleton 2005	Dean Shackleton 2005	Thoralaster	Thoralaster Dean Shackleton, 2005			Dean Shackleton	2005			https://treatment.plazi.org/id/467887FDC3363A60FC7A81D863F3FB6E	
467887FDC3363A6CFC95873E6200FA07.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Thoralaster	species	Thoralaster spiculiformis Dean Shackleton 2005	Dean Shackleton 2005	Thoralaster spiculiformis	Thoralaster spiculiformis Dean Shackleton, 2005			Dean Shackleton	2005			https://treatment.plazi.org/id/467887FDC3363A6CFC95873E6200FA07	
467887FDC3363A6CFC95873E6200FA07.taxon.syn1		467887FDC3363A6CFC95873E6200FA07.taxon			Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Chinianaster	species	Chinianaster levyi Thoral 1935	Thoral 1935	Chinianaster levyi	Chinianaster levyi Thoral, 1935			Thoral	1935	synonym		https://treatment.plazi.org/id/467887FDC3363A6CFC95873E6200FA07	
467887FDC33A3A6CFC5C83BA63D7FDC8.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Villebrunaster	genus	Villebrunaster Spencer 1951	Spencer 1951	Villebrunaster	Villebrunaster Spencer, 1951			Spencer	1951			https://treatment.plazi.org/id/467887FDC33A3A6CFC5C83BA63D7FDC8	
467887FDC33A3A6CFF2787DE6454FEF8.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae		subFamily	Villebrunasterinae Fell 1963	Fell 1963	Villebrunasterinae	VILLEBRUNASTERINAE Fell, 1963 b			Fell	1963			https://treatment.plazi.org/id/467887FDC33A3A6CFF2787DE6454FEF8	
467887FDC33A3A68FC5680BB6295FBC5.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Villebrunaster	species	Villebrunaster thorali Spencer, Saint-Chinian Formation, Early Ordovician 1951	Spencer, Saint-Chinian Formation, Early Ordovician 1951	Villebrunaster thorali	Villebrunaster thorali Spencer, 1951			Spencer, Saint-Chinian Formation, Early Ordovician	1951			https://treatment.plazi.org/id/467887FDC33A3A68FC5680BB6295FBC5	
467887FDC33A3A68FC5680BB6295FBC5.taxon.syn1		467887FDC33A3A68FC5680BB6295FBC5.taxon			Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Chinianaster	species	Chinianaster levyi Thoral 1935	Thoral 1935	Chinianaster levyi	Chinianaster levyi Thoral, 1935			Thoral	1935	synonym		https://treatment.plazi.org/id/467887FDC33A3A68FC5680BB6295FBC5	
467887FDC33A3A68FC5680BB6295FBC5.taxon.syn2		467887FDC33A3A68FC5680BB6295FBC5.taxon			Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Villebrunaster	species	Villebrunaster undetermined Spencer 1951	Spencer 1951	Villebrunaster undetermined	Villebrunaster Spencer, 1951			Spencer	1951	synonym		https://treatment.plazi.org/id/467887FDC33A3A68FC5680BB6295FBC5	
467887FDC33E3A68FED186996135FAD5.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Ampullaster	genus	Ampullaster Fell 1963	Fell 1963	Ampullaster	Ampullaster Fell, 1963 b			Fell	1963			https://treatment.plazi.org/id/467887FDC33E3A68FED186996135FAD5	
467887FDC33E3A68FED186996135FAD5.taxon.syn1		467887FDC33E3A68FED186996135FAD5.taxon			Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Villebrunaster	genus	Villebrunaster Spencer 1951	Spencer 1951	Villebrunaster	Villebrunaster			Spencer	1951	synonym		https://treatment.plazi.org/id/467887FDC33E3A68FED186996135FAD5	
467887FDC33E3A57FEE7879E61DFFE5B.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Ampullaster	species	Ampullaster ubaghsi Fell 1963	Fell 1963	Ampullaster ubaghsi	Ampullaster ubaghsi Fell, 1963 b			Fell	1963			https://treatment.plazi.org/id/467887FDC33E3A57FEE7879E61DFFE5B	
467887FDC33E3A57FEE7879E61DFFE5B.taxon.syn1		467887FDC33E3A57FEE7879E61DFFE5B.taxon			Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Villebrunaster	species	Villebrunaster thorali Spencer, Saint-Chinian Formation, Early Ordovician 1951	Spencer, Saint-Chinian Formation, Early Ordovician 1951	Villebrunaster thorali	Villebrunaster thorali Spencer, 1951			Spencer, Saint-Chinian Formation, Early Ordovician	1951	synonym		https://treatment.plazi.org/id/467887FDC33E3A57FEE7879E61DFFE5B	
467887FDC3013A57FC8F80DB63CAFB44.taxon					Animalia	Echinodermata	Somasteroidea		Archegonasteridae		family	Archegonasteridae Spencer 1951	Spencer 1951	Archegonasteridae	ARCHEGONASTERIDAE Spencer, 1951			Spencer	1951			https://treatment.plazi.org/id/467887FDC3013A57FC8F80DB63CAFB44	
467887FDC3013A57FF5286F963D4FD1B.taxon					Animalia	Echinodermata	Somasteroidea		Chinianasteridae	Ophioxenikos	species	Ophioxenikos langenheimi Blake & Guensburg 1993	Blake & Guensburg 1993	Ophioxenikos langenheimi	Ophioxenikos langenheimi Blake & Guensburg, 1993			Blake & Guensburg	1993			https://treatment.plazi.org/id/467887FDC3013A57FF5286F963D4FD1B	
467887FDC3013A57FF12801B62F6FBE5.taxon	Blake, Daniel B., Lefebvre, Bertrand (2025): The class Somasteroidea and its significance among early Asterozoa (Echinodermata). Comptes Rendus Palevol 24 (23): 449-487, DOI: 10.5852/cr-palevol2025v24a23, URL: https://doi.org/10.5852/cr-palevol2025v24a23				Animalia	Echinodermata	Somasteroidea		Chinianasteridae		subFamily	Ophioxenikosinae Blake & Lefebvre 2025	Blake & Lefebvre 2025	Ophioxenikosinae	OPHIOXENIKOSINAE			Blake & Lefebvre	2025		subfam. nov.	https://treatment.plazi.org/id/467887FDC3013A57FF12801B62F6FBE5	
467887FDC3013A54FC63875E65BEF846.taxon					Animalia	Echinodermata	Somasteroidea		Archegonasteridae	Archegonaster	species	Archegonaster pentagonus Spencer 1951	Spencer 1951	Archegonaster pentagonus	Archegonaster pentagonus Spencer, 1951			Spencer	1951			https://treatment.plazi.org/id/467887FDC3013A54FC63875E65BEF846	
