NMNH Prorocentrum belizeanum type specimen
描述:
Figs. 1-10. Prorocentrum belizeanum sp. nov. Fig.1. Valve surface is areolated. Fig.2. Cells are round to oval in valve view. Fig.3. In side view, cells are ellipsoid, the apical area exhibits a rounded lip, and both left and right valves are excavated. Fig.4. Periflagellar area is a wide, V-shaped depression located in the right valve. It has a flagellar and auxiliary pore, equal in size. Fig.5. Auxiliary pore (A) is surrounded by a curved apical collar (arrowheads) and is adjacent to the flagellar pore (F). The left valve margin exhibits a wide, rounded ridge (arrow). The two flagella are not shown. Fig.6. Intercalary band is horizontally striated. Fig.7. Areolae are round to ovoid with a smooth margin. Some areolae have trichocyst pores (arrowheads). Fig.8 . The center of the inside valve surface is smooth. The arrangement of round trichocyst pores is shown. Fig. 9. Inside valve surface shown at higher magnification. Trichocyst pores (arrowheads) are arranged in an array along the intercalary band. Fig.10. Inside of the intercalary band is constructed of evenly spaced rectangular sections separated by shallow grooves. Scale bars =10 µm. EMu: Holotype SEM negative # 104052; SEM stub #104; Field # n.a; Accession # 407164; Catalog # 34; Figure # 1.
來源資訊
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- cc-by-nc-sa-3.0
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- National Museum of Natural History, Smithsonian Institution
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- 合作夥伴網站
- NMNH Marine Dinoflagellates
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