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Plaxocrinus
Taxonomy
Plaxocrinus was named by Moore and Plummer (1937) [Sepkoski's age data: C Bash P Wc]. It is not extant. Its type is Plaxocrinus crassidiscus.
It was assigned to Cladida by Sepkoski (2002); and to Pirasocrinidae by Pabian and Rushlau (2002).
It was assigned to Cladida by Sepkoski (2002); and to Pirasocrinidae by Pabian and Rushlau (2002).
Species
P. crassidiscus (type species), P. piutae
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1937 | Plaxocrinus Moore and Plummer |
2002 | Plaxocrinus Pabian and Rushlau |
2002 | Plaxocrinus Sepkoski |
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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.
G. †Plaxocrinus Moore and Plummer 1937
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†Plaxocrinus crassidiscus Miller and Gurley 1894
†Plaxocrinus piutae Lane and Webster 1966
Diagnosis
No diagnoses are available