NMNH Ostreopsis belizeanus type specimen

Description:

Figs 6-10. Cells of Ostreopsis belizeanus sp. nov. Figs 6-9. Scanning electron microscopy. Fig. 6. Morphology of epithecal plates and position of apical pore plate (Po). Fig. 7. Hypothecal plates. Fig. 8. In the cingulum, the ventral opening (Vo) is located adjacent to a ridged plate (Rp). Fig. 9. Apical pore plate includes a narrow apical pore (Po) located off-center. Thecal surface laced with round pores (arrows). Fig. 10. Epifluorescence light microscopy of epithecal plates. EMu: HOLOTYPE SEM NEGATIVE # 211053; SEM STUB # 211; FIELD # 1005-96; ACCESSION # 2002408; CATALOG # 1541; FIGURE # 6.