Classification of Howells 1982
G. †Stenopareia Holm 1886
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†Stenopareia acymata Howells 1982
†Stenopareia catathema Howells 1982
†Stenopareia glochin Howells 1982
G. †Kosovopeltis Snajdr 1958
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†Kosovopeltis andersoni Etheridge and Nicholson 1879
†Kosovopeltis cunctata Reed 1931
G. †Acernaspis Campbell 1967
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†Acernaspis superciliexcelsis Howells 1982
†Acernaspis xynon Howells 1982
G. †Encrinurus Emmrich 1844
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†Encrinurus confusevarus Howells 1982
†Encrinurus expansus Haswell 1865
†Encrinurus squarrosus Howells 1982
†Encrinurus stateratus Howells 1982
Subg. †Harpidella (Harpidella) McCoy 1849
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†Harpidella (Harpidella) newlandensis Begg 1950
Subg. †Warburgella (Warburgella) Reed 1931
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†Warburgella (Warburgella) capetos Howells 1982