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Hadrocystis
Taxonomy
Hadrocystis was named by Sprinkle (1974) [Sepkoski's age data: O Llvi-u O Cara-m Sepkoski's reference number: 325,532]. It is not extant.
It was assigned to Rhombifera by Sepkoski (2002); and to Cheirocrinidae by Paul and Rozhnov (2016).
It was assigned to Rhombifera by Sepkoski (2002); and to Cheirocrinidae by Paul and Rozhnov (2016).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Hadrocystis Sprinkle |
| 2002 | Hadrocystis Sepkoski |
| 2016 | Hadrocystis Paul and Rozhnov p. 270 |
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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. †Hadrocystis Sprinkle 1974
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Diagnosis
No diagnoses are available