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Cryptozonia
Taxonomy
Cryptozonia was named by Sladen (1889). It is extant.
It was assigned to Euasteroidea by Sladen (1889); and to Asteroidea by Schuchert (1915), Clark and Twitchell (1915).
It was assigned to Euasteroidea by Sladen (1889); and to Asteroidea by Schuchert (1915), Clark and Twitchell (1915).
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Cryptozonia Sladen |
| 1915 | Cryptozonia Clark and Twitchell p. 28 |
| 1915 | Cryptozonia Schuchert p. 162 |
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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. Cryptozonia Sladen 1889
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Superfm. †Palaeosolasteracea Schuchert 1915
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Invalid names: Palaeosolasteridae Schuchert 1915 [empty]
Superfm. †Schuchertiacea Schuchert 1915
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Fm. †Schoenasteridae Schuchert 1915
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G. †Schoenaster Meek and Worthen 1860
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†Schoenaster fimbriatus Meek and Worthen 1860
†Schoenaster legrandensis Miller and Gurley 1890
†Schoenaster wachsmuthi Meek and Worthen 1866
Invalid names: Stenasteracea Schuchert 1915 [empty], Urasterellacea Schuchert 1915 [empty]
Diagnosis
No diagnoses are available