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†Spergenaspis Brezinski 1987
urn:lsid:organismnames.com:name:616718
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247
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†Spergenaspis Brezinski 1987
Brezinski 1987. Spergenaspis: a new Carboniferous trilobite genus from North America. Annals of Carnegie Museum, 56(14) 1987: 245-251