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Parkeria

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Parkeria \Par*ke"ri*a\, n. [NL. So named from W. K. Parker, a
   British zo["o]logist.] (Zo["o]l.)
   A genus of large arenaceous fossil Foraminifera found in the
   Cretaceous rocks. The species are globular, or nearly so, and
   are of all sizes up to that of a tennis ball.
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