Smithsonian National Museum of Natural History

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Department ofBotany


Prorocentrum sabulosum

EMu Holotype Specimen Record

Prorocentrum sabulosum holotype plate

Figs. 2-7. . Prorocentrum sabulosum sp. nov. FIG. 2. Cell is in right lateral view, including the periflagellar area. The valve surface is areolated. Cells are oval in valve view. FIG. 3. Cell is in left lateral view. The anterior end is flat to slightly concave. The cell margin is smooth. FIG. 4. Apical view, cells are ellipsoid, the apical area exhibits a rounded lip, and both left and right valves are excavated. Foreign material is on cell surface. FIG. 5. The periflagellar area, set in a V-shaped depression, is a broad triangle with raised margin. The flagellar pore (F) is larger than the auxiliary pore (A). A large pore is adjacent to the flagellar pore (arrows), and three smaller pores are adjacent to the auxiliary pore (arrowheads). FIG. 6. A narrow apical collar wraps around the flagellar and auxiliary pores (large arrows) viewed from the side. The position of the large pore (small arrows) and small pores (arrowhead) are from the side. FIG.7. Aeolae are round to oval with a smooth margin. Some areolae have oblong-shaped trichocyst pores (arrows).

Reference: Faust, M.A. 1994.Three new benthic species of Prorocentrum (Dinophyceae) from Carrie Bow Cay, Belize. Journal of Phycology 30: 755-763.

EMu: SEM NEGATIVE # 23012; SEM STUB # 23; FIELD # 78-87; ACCESSION # 407159; CATALOG # 30; Figure # 21.



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