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Classification of Rigby 1981
Fm. †
Periptychidae
Cope 1882 [condylarth]
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G. †
Gillisonchus
Rigby 1981
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†
Gillisonchus gillianus
Cope 1882
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Invalid names:
Anisonchus apiculatus
Cope 1884 [synonym]
†
Gillisonchus oligistus
Gazin 1941