| WebNameShort | |
| Anaulus laevis (Grunow in Van Heurck) Boyer 1900 |
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| Biddulphia acuta (Ehrenberg) Boyer 1900 |
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| Biddulphia americana (Ralfs in Pritchard) Boyer 1900 |
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| Biddulphia antillarum (Cleve) Boyer 1900 |
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| Biddulphia arctica (Brightwell) Boyer 1900 |
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| Biddulphia arctica var. californica (Grunow in Schmidt et al.) Boyer 1900 |
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| Biddulphia arctica var. campeachiana (Grunow in Van Heurck) Boyer 1900 |
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| Biddulphia arctica var. kerguelensis (Grunow in Cleve & Grunow) Boyer 1900 |
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| Biddulphia arctica var. montereyi (Brightwell) Boyer 1900 |
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| Biddulphia arctica var. pentagona Boyer 1900 |
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| Biddulphia arctica var. quadrangularis (Greville) Boyer 1900 |
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| Biddulphia arctica var. sexangulata Boyer 1900 |
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| Biddulphia biddulphiana (J.E. Smith) Boyer 1900 |
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| Biddulphia biquadrata (Janisch in Schmidt et al.) Boyer 1900 |
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| Biddulphia californica (Schmidt) Boyer 1900 |
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| Biddulphia campeachiana (Grunow) Boyer 1900 |
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| Biddulphia condecora (Ehrenberg) Boyer 1900 |
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| Biddulphia consimilis (Grunow in Van Heurck) Boyer 1900 |
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| Biddulphia convexiuscula (Grunow in Schmidt et al.) Boyer 1900 |
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| Biddulphia costulata (Grunow in Schmidt et al.) Boyer 1900 |
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| Biddulphia elegans (Greville) Boyer 1900 |
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| Biddulphia grandis (Brightwell) Boyer 1900 |
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| Biddulphia hebetata (Grunow in Van Heurck) Boyer 1900 |
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| Biddulphia heilpriniana (Kain & E.A. Schultze) Boyer 1900 |
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| Biddulphia heteropora (Grunow in Van Heurck) Boyer 1900 |
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| Biddulphia inelegans (Greville) Boyer 1900 |
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| Biddulphia inelegans var. araeopora (Grunow in Van Heurck) Boyer 1900 |
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| Biddulphia inelegans var. jucatensis (Grunow in Schmidt) Boyer 1900 |
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| Biddulphia inelegans var. micropora (Grunow in Van Heurck) Boyer 1900 |
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| Biddulphia interpunctata (Grunow in Schmidt et al.) Boyer 1900 |
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| Biddulphia kainii (E.A. Schultze in Kain & E.A. Schultze) Boyer 1900 |
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| Biddulphia obtusa (Ehrenberg) Boyer 1900 |
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| Biddulphia orbiculata (Shadbolt) Boyer 1900 |
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| Biddulphia ovalis (Schmidt in Schmidt et al.) Boyer 1900 |
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| Biddulphia parvula (Janisch & Rabenhorst) Boyer 1900 |
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| Biddulphia pentacrinus (Ehrenberg) Boyer 1900 |
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| Biddulphia quadricornis (Grunow) Boyer 1900 |
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| Biddulphia reticulum (Ehrenberg) Boyer 1900 |
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| Biddulphia robertsiana (Greville) Boyer 1900 |
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| Biddulphia semicircularis (Brightwell) Boyer 1900 |
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| Biddulphia spinosa (J.W. Bailey) Boyer 1900 |
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| Biddulphia subrotundata (Schmidt in Schmidt et al.) Boyer 1900 |
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| Biddulphia tabellaria (Brightwell) Boyer 1900 |
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| Biddulphia tessellata (Greville) Boyer 1900 |
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| Biddulphia testudo (Brun in Brun & Tempère) Boyer 1900 |
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| Biddulphia thumii (Schmidt in Schmidt et al.) Boyer 1900 |
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| Biddulphia trisulca (J.W. Bailey ex Ralfs in Pritchard) Boyer 1900 |
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| Biddulphia vesiculosa (Agardh) Boyer 1900 |
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| Hemiaulus solenoceros (Ehrenberg) Boyer 1900 |
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| Triceratium arcticum f. pentagona [no author] according to Boyer 1900 |
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| Triceratium arcticum var. sexangulatum ‘J. A. Schulze’ Boyer 1900 |
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