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Orthothecimorpha
Taxonomy
Subtaxa
Synonymy list
Year | Name and author |
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2002 | Orthothecimorpha Sepkoski |
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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.
Cl. †Orthothecimorpha
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Or. †Circothecida Sysoev 1968
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G. †Arathecus
G. †Asijatheca Missarzhevsky and Mambetov 1981
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†Asijatheca probata Missarzhevsky and Mambetov 1981
G. †Extentitheca
G. †Kunyangotheca Qian 1978
G. †Leibotheca Qian 1978
G. †Mojczatheca
G. †Spinulitheca Sysoyev 1968
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†Spinulitheca billingsi Syssoiev 1962
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Invalid names: Hyolithellus acquintervallum Syssoiev 1962 [synonym]
Fm. †Turcuthecidae Missarzhevskiy 1989
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G. †Uniformitheca
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†Uniformitheca aladzharica Missarzhevsky and Mambetov 1981
†Uniformitheca ovaliformis Missarzhevsky and Mambetov 1981
Diagnosis
No diagnoses are available