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†Septaspis Afanassieva 2000
urn:lsid:organismnames.com:name:1489226
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S144,
...
†Septaspis Afanassieva 2000
Afanassieva 2000. New osteostracans from the Silurian of Severnaya Zemlya Archipelago (Russia) and some problems relating to the parataxonomy of armored agnathans. Paleontological Journal, 34(Supplementary Issue 2) 2000: S138-S146