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†family Shumardiidae Lake 1907 (trilobite)

Trilobita - Ptychopariida

Parent taxon: Ptychopariida according to H. B. Whittington et al. 1997

Sister taxa: Acanthometopus, Acanthopleurella, Acrocephalitidae, Acrodirotes, Agraulopsis, Aldonaiidae, Alekcinella, Amicus, Amphorella, Amquia, Amzasskiella, Anabaraspis, Anemocephalops, Anemocephalus, Angustaeva, Anopocodia, Antagmidae, Antatlasia, Anuloides, Apachia, Apomodocia, Aposolenopleura, Argunaspis, Arraphus, Asaphiscidae, Ascionepea, Asilluchus, Atopidae, Aulacodigma, Avonina, Badainjaranaspis, Baikonuraspis, Batchatiella, Bathyocos, Bemaspis, Beothuckia, Berkutaspis, Biavertia, Bicella, Bifodina, Bigotina, Bigotinella, Bigotinidae, Biscoia, Blainiopsis, Bolaspidellus, Bolaspididae, Brassicicephalus, Brutaspis, Bucksella, Bulnibarbi, Bvalbardites, Cainatops, Catasolenopleura, Catillicephalidae, Cedaraspis, Cedarellus, Cedariidae, Champlainia, Chanciaopsis, Changshaniidae, Changshanocephalus, Chondrastaulina, Chosenia, Chuangiformis, Chulanolenus, Ciliocephalus, Ciliscutellum, Coenaspis, Collyrolenus, Conococheaquea, Conocoryphidae, Conokephalinidae, Corbina, Craigheadia, Crepicephalidae, Crepichilella, Crusoia, Culmenaspis, Cyclognathina, Damaiaoaspis, Dananzhuangaspis, Decus, Delleana, Deltina, Diceratocephalidae, Didwudina, Dipyrgotes, Dokimocephalidae, Dolgaia, Dubhglasina, Dunderbergella, Edithiella, Ejinaspis, Elatius, Eldoradia, Ellipsocephalidae, Ellipsocephaloididae, Ellipsostrenua, Elviniidae, Elvinoides, Elviraspis, Enammocephalus, Erdoradites, Estaingiidae, Eulomidae, Euonchonotina, Eurostina, Eurycare, Faciura, Fatocephalus, Ferralsia, Fissocephalus, Galeaspis, Gaotanaspis, Gloria, Glyptometopus, Grandioculus, Groenwallia, Habrocephalus, Hanivella, Harpesoides, Harpidoides, Harpina, Hartshillina, Hatangia, Helieranella, Henadoparia, Hidascutellum, Hindermeyeria, Holasaphus, Holocephalinidae, Hospes, Houmengia, Huaibeia, Huainania, Hupeia, Hyperoparia, Hypothetica, Idiorapha, Ignotogregatus, Iniotoma, Inoyellaspis, Interalia, Iohomia, Irinia, Irvingelloides, Isocolidae, Ityophoridae, Janxilithus, Jessievillia, Jiangjunshania, Jiangsuaspis, Jiangsucephalus, Kabukiia, Kameschkoviella, Karagandoides, Kasatchaspis, Kaufmannella, Kazelina, Kepisis, Kingstoniidae, Kirengelia, Kirkdomina, Komaspis, Kounamkites, Krolina, Kuljumbina, Lauzonella, Lecanoaspis, Lecanopleura, Leioscutellum, Leocephalus, Leptoplastus, Limpeina, Liocare, Liopelta, Liosolenopleura, Lisaniidae, Litaspis, Llanoaspididae, Lochmanaspis, Loganopeltis, Lonchocephalidae, Lorenzellidae, Luaspis, Lunacephalus, Luottuolingia, Luxella, Luyanhaoia, Lydiaspis, Macelloura, Magnacephalus, Magnomma, Malinaspis, Manchurocephalus, Maotunia, Mapaniidae, Marjumiidae, Megadunderbergia, Megalopsis, Meniscocorphye, Menocephalites, Menomoniidae, Mesetaia, Metaharpes, Metisaspina, Metisaspis, Michaspis, Miranda, Mundocephalina, Munijia, Nambeetella, Nassovia, Natmus, Neoacrocephalites, Neoanomocerella, Neohedinaspis, Neoshirakiella, Neosolenopleurella, Neotaenicephalus, Nepeidae, Nephalicephalus, Nericia, Nericiaspis, Nilcgna, Norwoodiidae, Obrucheviaspis, Octobronteus, Olekmaspis, Olenidae, Olenina, Onchopeltis, Orlovia, Orloviella, Ottenbyaspis, Ouijjania, Palaeolenidae, Palaeolenides, Papyriaspididae, Papyriaspis, Parabathycheilus, Paracrocephalites, Paraenshia, Paraeosoptychoparia, Parairvingella, Parakingasidoides, Paralorenzella, Paramicmacca, Paranumia, Paraolenus, Parapachyaspis, Parapeishania, Paratermierella, Paratretaspis, Patronaspis, Pedinaspis, Peishania, Pelturina, Periommella, Perioura, Pesaia, Petruninaspis, Phylacteridae, Platyharpes, Plethopeltidae, Polycertaspis, Populsenella, Proasaphiscidae, Proaulacopleura, Propatokephalops, Propeltura, Protagraulos, Protohedinia, Pruvostina, Pruvostinoides, Pseudatops, Pseudoalokistocare, Pseudokadyella, Pseudolenus, Pseudomexicella, Pseudosolenopleura, Ptychopariidae, Ptychopariina, Ptychoparoides, Ptychoparopsis, Pyttstrigis, Qingshuihella, Rampartaspis, Randicephalus, Rasettaspis, Raymondinidae, Regius, Remizites, Rinconia, Sagitaspis, Sagitoides, Salankanaspis, Sangzhiscutellum, Schoriella, Schyilaspis, Seletoides, Semicyclocephalus, Shenjiawania, Shumardops, Sinocrepicephalus, Sinoharpes, Solenopleuracea, Solenopleuridae, Stella, Striticephala, Talbotinella, Taoyuania, Tatulaspis, Tengfengiidae, Termieraspis, Tholus, Torridella, Tosotychia, Triarthrella, Triarthroides, Tricrepicephalidae, Trinucleina, Tuberaspis, Tympanuella, Urbanaspis, Urjungaspis, Utiidae, Varanella, Verkholenella, Wangzishia, Whittingtonella, Wilsonarella, Wongia, Xianquianaspis, Xiushuilithus, Yabeia, Yinpanolithus, Yohoaspis, Yuehsieszella, Yunnanocephalidae

Subtaxa: Akoldinioidia, Changchowilla, Conophrys, Koldinioidia, Kweichowilla, Leioshumardia, Leoforteyia, Shumardia, Shumardoella, Yinganaspis

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Ecology: fast-moving low-level epifaunal carnivore