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| Biddulphia abyssorum Grunow in Van Heurck 1883 |
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| Biddulphia balaena f. campechiana Grunow in Van Heurck 1883 |
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| Biddulphia discigera Grunow in Van Heurck 1883 |
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| Biddulphia divisa Grunow in Van Heurck 1883 |
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| Biddulphia eximia Grunow in Van Heurck 1883 |
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| Biddulphia frauenfeldii Grunow in Van Heurck 1883 |
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| Biddulphia heibergii Grunow in Van Heurck 1883 |
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| Biddulphia inelegans var. araeopora Grunow in Van Heurck 1883 |
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| Biddulphia inelegans var. jucatensis Grunow in Van Heurck 1883 |
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| Biddulphia inelegans var. micropora Grunow in Van Heurck 1883 |
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| Biddulphia inelegans var. nicobarica Grunow in Van Heurck 1883 |
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| Biddulphia inelegans var. yucatensis Grunow in Van Heurck 1883 |
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| Biddulphia irregulare Grunow in Van Heurck 1883 |
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| Biddulphia irregulare var. hebetata Grunow in Van Heurck 1883 |
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| Biddulphia moronensis var. nicobarica Grunow in Van Heurck 1883 |
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| Biddulphia plicata Grunow in Van Heurck 1883 |
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| Biddulphia punctata f. pentagona Grunow in Van Heurck 1883 |
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| Biddulphia punctata f. tetragona minuta Grunow in Van Heurck 1883 |
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| Biddulphia punctata f. trigona minuta Grunow in Van Heurck 1883 |
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| Biddulphia radiosoreticulata (radioso-reticulata) Grunow in Van Heurck 1883 |
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