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Protorthoidea
Taxonomy
Protorthoidea was named by Schuchert and Cooper (1931).
It was assigned to Protorthida by Williams et al. (2000).
It was assigned to Protorthida by Williams et al. (2000).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Protorthoidea Schuchert and Cooper |
| 2000 | Protorthoidea Williams et al. p. 710 |
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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.
Superfm. †Protorthoidea Schuchert and Cooper 1931
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Fm. †Leioriidae Cooper 1976
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Fm. †Protorthidae Schuchert and Cooper 1931
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G. †Glyptoria Cooper 1976
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†Glyptoria glypta Cooper 1976
†Glyptoria gulchensis Popov and Tikhonov 1993
G. †Jamesella Walcott 1905
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†Nisusia (Jamesella) amii Walcott 1905
†Nisusia (Jamesella) erecta Walcott 1905
†Nisusia (Jamesella) kanabensis Walcott 1908
†Nisusia (Jamesella) kuthani Pompeckj 1896
†Nisusia (Jamesella) lowi Walcott 1908
†Nisusia (Jamesella) perpasta macra Pompeckj 1896
†Nisusia (Jamesella) utahensis Walcott 1905
G. †Loperia
G. †Protorthis
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†Protorthis billingsi Hartt 1868
†Protorthis helena Walcott 1905
†Protorthis laevis Walcott 1905
†Protorthis latourensis Matthew 1886
†Protorthis nautes Walcott 1905
†Protorthis nunnebergensis Walcott 1905
†Protorthis quacoensis Matthew 1886
†Protorthis spencei Walcott 1905
†Protorthis wingi Walcott 1905
G. †Psiloria Cooper 1976
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†Psiloria alata King 1923
†Psiloria dayei Cooper 1976
†Psiloria dayi Cooper 1976
†Psiloria pauperata Cooper 1976
Diagnosis
No diagnoses are available