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Echinocystitoida
Taxonomy
Echinocystitoida was named by Jackson (1912). It is not extant.
It was assigned to Perischoechinoidea by Kier (1966) and Boczarowski (2001); and to Echinoidea by Jackson (1912) and Sepkoski (2002).
It was assigned to Perischoechinoidea by Kier (1966) and Boczarowski (2001); and to Echinoidea by Jackson (1912) and Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Echinocystitoida Jackson |
| 1966 | Echinocystitoida Kier p. U301 |
| 2001 | Echinocystitoida Boczarowski p. 86 |
| 2002 | Echinocystitoida 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.
Or. †Echinocystitoida Jackson 1912
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G. †Aptilechinus
G. †Cavanechinus
G. †Devonocidaris
Fm. †Echinocystitidae Gregory 1897
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G. †Echinocystites
G. †Praepholidocidaris Frest and Strimple 1977
G. †Rhenechinus
G. †Ledidocidaris
Fm. †Lepidesthidae Jackson 1896
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G. †Tornquistellus
Invalid names: Echinocyctitidae Gregory 1897 [empty]
Diagnosis
No diagnoses are available