Biblioteca - Ingemmet

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Broad, D.S.

Torpedaspis, a new Upper Silurian and Lower Devonian genus of Cyathaspididae (Ostracodermi) from Arctic Canada - Ottawa, Ontario Geological Survey of Canada 1973 - pp. 53-91 láms.

Subjects--Topical Terms:
DEVONICO
OSTRACODA
PALEONTOLOGÍA
SILURICO

Subjects--Geographic Terms:
CANADA