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051026c19689999||| 00 0 eng d |
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|a Cryptolithus (Trilobita) :
|b specific characters and occurrence in Ordovician of Eastern North America /
|c H. B. Whittington.
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| 260 |
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|a ,
|c 1968
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| 504 |
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|b ca. 20 refs.
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|b ca. 20 refs.
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| 043 |
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|a 7
|2 7
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| 650 |
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|a Whittington, Harry B..
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| 300 |
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|a p. 702-714
|c 25 cm. +
|e 2 láms.
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| 040 |
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|c AR-RiUNS
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| 866 |
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| 773 |
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|t JOURNAL of Paleontology
|w J3
|g Vol. 42, n. 3, part I (May 1968)
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| 942 |
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|c PP
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| 999 |
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|c 21949
|d 21949
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