Classification of the superfamily Thecideoidea
Superfm. Thecideoidea Gray 1840
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Fm. †Bactryniidae Williams 1965
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Subfm. †Davidsonellinae Pajaud 1966
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G. †Davidsonella Munier-Chalmas 1881
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†Davidsonella sinuata Eudes-Deslongchamps 1853
†Davidsonella tithonica Pajaud and Patrulius 1964
Fm. †Enallothecideidae Baker 1983
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Fm. Thecideidae Gray 1840
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Subfm. Lacazellinae Backhaus 1959
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G. †Eolacazella
G. Lacazella Munier-Chalmas 1881
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Subg. †Lacazella (Bifolium) Elliott 1948
Lacazella caribbeanensis Cooper 1977
Lacazella mauritiana Dall 1920
Lacazella mediterranea Risso 1826
†Lacazella nana Cooper 1988
†Lacazella novazelandiae Hiller 2011
G. †Parabifolium
G. †Thecidanella Ceccolini and Cianferoni 2023
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†Thecidanella fragilis Pajaud 1966
Invalid names: Danella [replaced]
Subfm. †Thecideinae Gray 1840
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G. †Backhausina
G. †Eudesella
G. †Glazewskia
G. †Konstantia
G. †Parathecidea
G. †Thecidea Defrance 1822
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†Thecidea essensis Roemer 1840
Thecidea mediterranea Risso 1826
†Thecidea moorei Davidson 1851
†Thecidea papillata von Schlotheim 1813
†Thecidea rhaetica Zugmayer 1882
†Thecidea rothpletzi Böhm 1891
Fm. †Thecidellinidae Elliott 1958
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Subfm. Minutellinae Logan and Baker 2013
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G. Minutella Hoffmann and Luter 2010
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†Minutella bulgarica Bitner and Motchurova-Dekova 2016
†Minutella dragonensis Pajaud 1970
Subfm. †Moorellininae Pajaud 1966
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G. †Bosquetella
G. †Moorellina
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†Moorellina hanwangensis Xu 1978
†Moorellina negevensis Krawczyński and Wilson 2011
†Moorellina septata Moore 1854
Invalid names: Elliottina [synonym]
Subfm. †Thecidellininae Elliott 1953
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G. †Bifolium
G. †Eothecidellina
G. †Rioultina
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†Rioultina deisteriensis Struckmann 1882
†Rioultina pustulosa Schülke and Helm 2000
†Rioultina wapiennensis Krawczyński 2008
G. Thecidellina
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†Thecidellina alabamensis Cooper 1988
Thecidellina bahamiensis Luter and Logan 2008
Thecidellina barretti Davidson 1864
Thecidellina blochmanni Dall 1920
Thecidellina congregata Cooper 1954
Thecidellina japonica Hayasaka 1938
Thecidellina maxilla Hedley 1899
Thecidellina minuta Cooper 1981
†Thecidellina persica Bitner et al. 2023
Thecidellina williamsi Luter and Logan 2008