Plate 21
Suborder: Spumellaria
Family: Collosphaeridae, Larnacillidae
Figure, Species, Station depth (m), Type of Micrograph, Magnification
1. Didymocyrtis tetrathalamus tetrathalamus (Haeckel) juvenile form, Oblique view of a specimen having only equatorial part. Note that corticalmedullary interconnecting bars lie in the vicinity of an equatorial plane, P1: 4280, SEM, x 550.
2. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), Oblique lateral view, P1: 4280, SEM, x 440.
3. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), Oblique polar view, P1: 4280, SEM, x 440.
4. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), Lateral view, P1: 4280, SEM, x 440.
5. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), Polar view of an incompletely developed specimen, P1: 5582, LM, x 210.
6. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), Lateral view of an incompletely developed specimen, P1: 5582, LM, x 210.
7. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), PB: 2869, LM, x 210.
8. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), A specimen with well developed outer cortical mesh, PB: 667, LM, x 210.
9. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), P1: 4280, SEM, x 260.
10. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), Oblique polar view, P1: 978, SEM, x 400.
11. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), P1: 5582, SEM, x 220.
12. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), A specimen with well developed polar caps, P1: 5582, SEM, x 215.
13. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), P1: 4280, SEM, x 170.
14. Didymocyrtis tetrathalamus tetrathalamus (Haeckel), P1: 4280, SEM, x 280.
15. Didymocyrtis sp., PB: 2869, LM, x 210.
16. Larnacalpis sp., Frontal view, PB: 2869, LM, x 210.
17. Larnacalpis sp., Lateral view, PB: 2869, LM, x 210.
18. Larnacalpis sp., Frontal view, PB: 3769, SEM, x 170. |
