|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Somasteroidea - Chinianasteridae
It was assigned to Goniactinida by Sepkoski (2002); to Somasteroidea by Blake (2013); and to Chinianasteridae by Spencer (1951), Owen (1965), Spencer and Wright (1966), Dean Shackleton (2005) and Blake and Guensburg (2015).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|W. K. Spencer 1951||A chinianasterid with large ambulacral basins placed on the oral surface and separated by mid-radial open channel|
|J. Dean Shackleton 2005||Ambulacral proximal podial flange with tongue overlapping distal flange; transverse contact between adjacent ambulacrals overlapping; pores present within large ambulacral groove; ambulacral cross-section rectangular (flat aboral ambulacral profile); greater than two inferomarginal ossicles per ambulacral over entire arm.|