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Takahashi 1991


Plate 49

Suborder: Phaeodaria
Family: Challengeriidae

Figure, Species, Station depth (m), Type of Micrograph, Magnification

1. Challengerosium avicularia Haecker, Ventral view., P1: 2778, SEM, x 215.

2. Challengerosium avicularia Haecker, Lateral view., P1: 978, SEM, x 215.

3. Challengerosium avicularia Haecker, Lateral view., P1: 2778, SEM, x 210.

4. Challengerosium avicularia Haecker, Lateral view., P1: 2778, LM, x 210.

5. Challengerosium avicularia Haecker, Lateral view., P1: 2778, SEM, x 220.

6. Challengerosium avicularia Haecker, Same specimen; oblique lateral view., P1: 2778, SEM, x 200.

7. Challengerosium avicularia Haecker, Oblique lateral view., P1: 2778, LM, x 210.

8. Challengerosium avicularia Haecker, Lateral view of specimen with two spines., P1: 2778, SEM, x 240.

9. Challengerosium avicularia Haecker, Specimen with pores connected with outside surface; considered to be dissolved., P1: 4280, SEM, x 250.

10. Challengerosium avicularia Haecker, A specimen without spines., P1: 2778, LM, x 210.

11. Challengerosium avicularia Haecker, Microstructure near oral teeth. Note amphoral structure predominant in main body of shell does not extend to teeth., P1: 2778, SEM, x 830.

12. Challengerosium avicularia Haecker, Two different kinds of surfaces; alveolate marginal zone and smooth central zone., P1: 978, SEM, x 1000.

13. Challengerosium avicularia Haecker, Cross-sectional microstructure showing the same morphology in the alveolate and smooth zones., P1: 2778, SEM, x 2150.

14. Protocystis sp. A, P1: 978, SEM, x 280.

15. Protocystis sp. A, P1: 978, SEM, x 280.