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Published in Rhodora, in 1901, in volume 3, pages 177-181
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Published in Palaeontology, in 1978, in volume 20, issue 4, pages 901-906
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Published in Ibis, in 1921, in volume 3, issue 3, pages 453-465
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Published in Rhodora, in 1931, in volume 33, issue 394, pages 207-209
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Published in Palaeontology, in 1972, in volume 15, issue 3, pages 400-404
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Published in Palaeontology, in 1987, in volume 30, issue 1, pages 27-74
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Published in Entomological News, in 1977, in volume 88, pages 215-216
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Published in Palaeontology, in 1981, in volume 24, issue 2, pages 417-435
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Published in Palaeontology, in 1984, in volume 27, issue 2, pages 281-293
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Published in Palaeontology, in 1970, in volume 13, issue 3, pages 379-413
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Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 155-157
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Published in Journal of Raptor Research, in 1995, in volume 29, issue 2, pages 85-92
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Published in Veliger, in 1969, in volume 11, pages 391-398
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Published in Palaeontology, in 1970, in volume 13, issue 3, pages 462-490
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Published in Phytologia, in 1980, in volume 46, issue 1, pages 1-4
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Published in Palaeontology, in 1978, in volume 20, issue 4, pages 793-804
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Published in Ibis, in 1917, in volume 5, issue 1, pages 41-43
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Published in Bulletin of The British Ornithologists' Club, in 1986, in volume 106, pages 173-179
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Published in Palaeontology, in 1972, in volume 15, issue 3, pages 445-449
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Published in Palaeontology, in 1980, in volume 23, issue 4, pages 821-837
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Published in Rhodora, in 1900, in volume 2, issue 18, pages 107-111
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Published in Palaeontology, in 1984, in volume 27, issue 1, pages 159-167
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Published in Palaeontology, in 1992, in volume 35, issue 1, pages 63-93
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Published in Palaeontology, in 1971, in volume 14, issue 3, pages 437-454
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Published in Palaeontology, in 1980, in volume 23, issue 3, pages 557-603
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Published in Palaeontology, in 1972, in volume 15, issue 3, pages 394-399
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Published in Palaeontology, in 1975, in volume 18, issue 4, pages 665-679
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Published in Palaeontology, in 1979, in volume 22, issue 3, pages 685-704
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Published in Palaeontology, in 1987, in volume 30, issue 4, pages 765-782
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Published in Palaeontology, in 1990, in volume 33, issue 2, pages 379-422
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Published in Palaeontology, in 1992, in volume 35, issue 3, pages 693-731
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Published in Ibis, in 1917, in volume 5, issue 4, pages 526-538
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Published in Biol Bull, in 1991, in volume 180, pages 103-111
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Published in Rhodora, in 1919, in volume 21, issue 242, pages 25-35
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