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Echinidea
Taxonomy
Echinidea was named as an infraorder. It is extant.
It was reranked as the suborder Echinina by Clark and Twitchell (1915).
It was assigned to Diademoidea by Clark and Twitchell (1915); and to Camarodonta by Kroh and Smith (2010).
It was reranked as the suborder Echinina by Clark and Twitchell (1915).
It was assigned to Diademoidea by Clark and Twitchell (1915); and to Camarodonta by Kroh and Smith (2010).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1915 | Echinina Clark and Twitchell p. 63 |
| 2010 | Echinidea Kroh and Smith p. 171 |
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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.
Infraor. Echinidea
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Fm. Echinidae Gray 1825
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G. †Atactus
G. Echinus Linnaeus 1758
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Subg. Echinus (Agarites) Agassiz 1841
Echinus anchistus Clark 1912
Echinus euryporus Clark 1909
†Echinus granularis Wright 1851
Echinus horridus Agassiz 1879
†Echinus perlatus Desmarest 1825
†Echinus purpuratus Stimpson 1857
G. †Hypechinus
G. Paracentrotus Mortensen 1903
G. Psammechinus
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†Psammechinus carolinensis Kier 1997
Psammechinus cingulatus Clark 1891
†Psammechinus dubius Agassiz 1840
†Psammechinus exoletus McCrady 1857
†Psammechinus floralanus Cooke 1941
†Psammechinus ocalanus Cooke 1941
†Psammechinus philanthropus Conrad 1843
†Psammechinus santee Cooke 1941
G. Stirechinus
G. Tripneustes Agassiz 1841
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Tripneustes depresss Agassiz 1863
†Tripneustes esculenta Leske 1778
Tripneustes gratilla Linnaeus 1758
†Tripneustes magnificus Nisiyama 1966
†Tripneustes pregratilla McNamara and Kendrick 1994
Invalid names: Parechinidae Mortensen 1903 [empty], Triplechinidae [empty]
Diagnosis
No diagnoses are available