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Palaechinoidea

Echinoidea - Palaechinoidea

Taxonomy
Palechinida was named by Haeckel (1866).

It was reranked as the order Palaechinoidea by Kier (1966) and Hagdorn (2018).

It was assigned to Perischoechinoidea by Kier (1966); and to Eognathostomata by Hagdorn (2018).

Synonymy list
YearName and author
1966Palaechinoidea Kier p. U309
2018Palaechinoidea Hagdorn p. 273

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumEleutherozoa
RankNameAuthor
Echinozoa()
classEchinoidea()
subclassPerischoechinoidea()
superorderEognathostomataSmith 1984
orderPalaechinoidea()
orderPalaechinoidea()

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. †Palaechinoidea Haeckel 1866
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Fm. †Cravenechinidae Hawkins 1946
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G. †Cravenechinus Hawkins 1946
G. †Xenechinus Kier 1958
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Xenechinus parvus Kier 1958
Fm. †Palaechinidae M'Coy 1849
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G. †Lovenechinus Jackson 1912
G. †Maccoya Pomel 1869
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Melonechinus dispar Fischer de Waldheim 1848
G. †Wrightia
G. †Xysteria Pomel 1883
Diagnosis
No diagnoses are available