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Shumardiidae
Taxonomy
Shumardiidae was named by Lake (1907).
It was assigned to Conocoryphacea by Harrington and Leanza (1957); to Agnostida by Robison and Pantoja-Alor (1968); and to Ptychopariida by Whittington et al. (1997).
It was assigned to Conocoryphacea by Harrington and Leanza (1957); to Agnostida by Robison and Pantoja-Alor (1968); and to Ptychopariida by Whittington et al. (1997).
Subtaxa
Sister taxa
Acrocephalitidae, Aldonaiidae, Antagmidae, Asaphiscidae, Atopidae, Bigotinidae, Bolaspididae, Catillicephalidae, Cedariidae, Changshaniidae, Conocoryphidae, Conokephalinidae, Crepicephalidae, Diceratocephalidae, Dokimocephalidae, Ellipsocephalidae, Ellipsocephaloididae, Elviniidae, Estaingiidae, Eulomidae, Holocephalinidae, Isocolidae, Ityophoridae, Kingstoniidae, Lisaniidae, Llanoaspididae, Lonchocephalidae, Lorenzellidae, Mapaniidae, Marjumiidae, Menomoniidae, Nepeidae, Norwoodiidae, Olenidae, Palaeolenidae, Papyriaspididae, Phylacteridae, Plethopeltidae, Proasaphiscidae, Ptychopariidae, Raymondinidae, Solenopleuridae, Tengfengiidae, Tricrepicephalidae, Utiidae, Yunnanocephalidae
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Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Shumardiidae Lake |
| 1957 | Shumardiidae Harrington and Leanza |
| 1968 | Shumardiidae Robison and Pantoja-Alor p. 796 |
| 1997 | Shumardiidae Whittington et al. p. 302 |
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