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†Halesium quadratum Pessagno 1971

urn:lsid:organismnames.com:name:1784210

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†Halesium quadratum Pessagno 1971

Pessagno 1971. Jurassic & Cretaceous Hagiastridae from the Blake-Bahama Basin (Site 5A, Joides Leg 1) and the Great Valley Sequence, California Coast Ranges. Bull Am Paleont, 60 1971: 1-83