Classification of the family Llanoaspididae
Fm. †Llanoaspididae Lochmann 1944
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G. †Amquia Rasseti 1946
G. †Deiracephalus Resser 1935
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†Deiracephalus aster Walcott 1916
†Deiracephalus buttsi Resser 1935
†Deiracephalus unicornis Palmer 1962
Invalid names: Asteraspis Kobayashi 1935 [objective synonym]
G. †Genevievella Lochmann 1936
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Invalid names: Nixonella Lochman 1944 [synonym], Placosema Opik 1967 [synonym]
G. †Llanoaspidella Tasch 1951
G. †Metisaspis Rasetti 1946
G. †Nahannicephalus Pratt 1992
G. †Paracedaria Duncan 1949