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†Xenostephanoides Arkell & Callomon 1963
urn:lsid:organismnames.com:name:4331370
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225
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†Xenostephanoides Arkell & Callomon 1963
Arkell & Callomon 1963. Lower Kim[m]eridgian ammonites from the drift of Lincolnshire. Palaeontology, 6 1963: 219-245