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†Cyathaspididae (Family) ..†Allocryptaspis (Genus) ..†Americaspidinae (Subfamily) ..[†Anatiftopsis] (Genus) ..†Anglaspidinae (Subfamily) ..[†Archaegonaspis] (Genus) ..†Athenaegis (Genus) ..†Boothiaspidinae (Subfamily) ..[†Bothriaspis] (Genus) ..[†Bryantaspis] (Genus) ..[†Cryptaspidisca] (Genus) ..[†Cryptaspis] (Genus) ..†Cyathaspidinae (Subfamily) ..†Davelaspis (Genus) ..[†Dictaspis] (Genus) ..[†Dictyaspidella] (Genus) ..[†Dictyaspis] (Genus) ..[†Dictyonaspis] (Genus) ..[†Dinaspis] (Genus) ..[†Diplaspis] (Genus) ..[†Eoarchegonaspis] (Genus) ..[†Holaspis] (Genus) ..[†Homalaspis] (Genus) ..[†Homaspis] (Genus) ..†Irregulareaspidinae (Subfamily) ..[†Lauaspis] (Genus) ..†Listraspis (Genus) ..[†Palaeaspis] (Genus) ..†Poraspidinae (Subfamily) ..†Seretaspis (Genus) ..†Steinaspis (Genus) ..†Tolypelepidinae (Subfamily) ..[†Frankelaspis] (Genus)

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Last updated: 28 Aug 2026