English: Illustration from Report on the Radiolaria collected by Challenger during the years 1873-1876. Part III. Original description follows: Plate 91. Nassellida, Plagonida et Plectanida. Diam. Fig. 1. Cystidium princeps, n. sp., × 400 Fig. 2. Triplagia primordialis, n. sp., × 100 Fig. 3. Tetraplagia phænaxonia, n. sp., × 200 Fig. 4. Plagoniscus tripodiscus, n. sp., × 200 Fig. 5. Plagiocarpa procortina, n. sp., × 300 Fig. 6. Plagonium sphærozoum, n. sp., × 300 Fig. 7. Triplecta triactis, n. sp., × 300 Fig. 8. Tetraplecta pinigera, n. sp., × 300 Fig. 9. Plectaniscus cortini
English: Illustration from Report on the Radiolaria collected by Challenger during the years 1873-1876. Part III. Original description follows: Plate 91. Nassellida, Plagonida et Plectanida. Diam. Fig. 1. Cystidium princeps, n. sp., × 400 Fig. 2. Triplagia primordialis, n. sp., × 100 Fig. 3. Tetraplagia phænaxonia, n. sp., × 200 Fig. 4. Plagoniscus tripodiscus, n. sp., × 200 Fig. 5. Plagiocarpa procortina, n. sp., × 300 Fig. 6. Plagonium sphærozoum, n. sp., × 300 Fig. 7. Triplecta triactis, n. sp., × 300 Fig. 8. Tetraplecta pinigera, n. sp., × 300 Fig. 9. Plectaniscus cortiniscus, n. sp., × 300 Fig. 10. Periplecta cortina, n. sp., × 400 Fig. 11. Plectanium trigeminum, n. sp., × 400 Fig. 12. Polyplecta heptacantha, n. sp., × 300 . 1887 66 Radiolaria (Challenger) Plate 091
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