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Orthothecimorpha

Orthothecimorpha

Taxonomy
Orthothecimorpha is a class.

It was assigned to Hyolitha by Sepkoski (2002).

Synonymy list
YearName and author
2002Orthothecimorpha Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
RankNameAuthor
superphylumLophotrochozoa
—Lophophorata
phylumHyolitha
classOrthothecimorpha
classOrthothecimorpha

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.

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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. †Costatheca Rozanov et al. 1969
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†Costatheca clinisepta Syssoiev 1960
G. †Kunyangotheca Qian 1978
G. †Ladatheca
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†Ladatheca cylindrica Grabau 1900
G. †Leibotheca Qian 1978
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. †Loculitheca Sysoyev 1968
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†Loculitheca zhijinensis Qian and Yin 1984
G. †Xystritheca Qian et al. 2000
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†Xystritheca crenulata Qian et al. 2000
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†Uniformitheca aladzharica Missarzhevsky and Mambetov 1981
†Uniformitheca ovaliformis Missarzhevsky and Mambetov 1981
Or. †Exilithecida Sysoyev 1968
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G. †Micatheca
Diagnosis
No diagnoses are available