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|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gymnolaemata - Cheilostomata - Petraliellidae
It was assigned to Petraliidae by Canu and Bassler (1935), Brown (1952) and Brown (1958); to Cheilostomata by Sepkoski (2002); and to Petraliellidae by Guha and Gopikrishna (2007) and Guha (2013).
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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.