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†Cyathaspididae Nahanniaspis
urn:lsid:organismnames.com:name:2087383
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92
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†Cyathaspididae Nahanniaspis
Nahanniaspis. Ostracoderm faunas of the Delorme and associated Siluro-Devonian Formations North West Territories Canada. Special Pap Palaeont, No. 18 1976: 1-214