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Orthidiellidae
Taxonomy
Orthidiellidae was named by Ulrich and Cooper (1936).
It was assigned to Orthacea by Rubel (1961) and Wright (1964); and to Orthoidea by Williams et al. (2000) and Hansen and Holmer (2011).
It was assigned to Orthacea by Rubel (1961) and Wright (1964); and to Orthoidea by Williams et al. (2000) and Hansen and Holmer (2011).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Orthidiellidae Ulrich and Cooper |
| 1961 | Orthidiellidae Rubel |
| 1964 | Orthidiellidae Wright |
| 2000 | Orthidiellidae Williams et al. p. 745 |
| 2011 | Orthidiellidae Hansen and Holmer |
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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.
Fm. †Orthidiellidae Ulrich and Cooper 1936
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G. †Orthidiella Ulrich and Cooper 1936
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†Orthidiella carinata Ulrich and Cooper 1938
†Orthidiella costellata Cooper 1956
†Orthidiella extensa Ulrich and Cooper 1938
†Orthidiella longwelli Ulrich and Cooper 1938
G. †Orthidium Hall and Clarke 1892
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†Orthidium barnesi Ross 1970
†Orthidium bellulum Ulrich and Cooper 1938
†Orthidium gemmiculum Billings 1865
†Orthidium lamellosa Raymond 1905
†Orthidium lamellosum Raymond 1905
†Orthidium prominens Benedetto et al. 2003
G. †Portranella Wright 1964
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†Portranella angulocostellata Wright 1964
†Portranella exornata Sharpe 1853
G. †Trematorthis
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†Trematorthis karasaiensis Nikitina et al. 2006
†Trematorthis tenuis Cooper 1956
G. †Tuvinia Andreeva 1982
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†Tuvinia alakulica Nikitina et al. 2006
†Tuvinia fasciculata Nikitina et al. 2006
†Tuvinia radiata Andreeva 1982
Diagnosis
No diagnoses are available