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Tetracionocrinus
Taxonomy
Tetracionocrinus was named by Ubaghs (1971) [Sepkoski's age data: O Aren-u]. It is not extant.
It was assigned to Perittocrinidae by Ausich (1998) and Ausich (1998); and to Disparida by Sepkoski (2002).
It was assigned to Perittocrinidae by Ausich (1998) and Ausich (1998); and to Disparida by Sepkoski (2002).
Species
Synonymy list
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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.
Diagnosis
No diagnoses are available