Oligopodia epigonus, : H. L. Clark, 1925

Filander, Zoleka & Griffiths, Charles, 2017, Illustrated guide to the echinoid (Echinodermata: Echinoidea) fauna of South Africa, Zootaxa 4296 (1), pp. 1-72 : 48

* Oligopodia epigonus v. Martens, 1865

Fig. 53 A–D.

Nucleolites epigonus: A. Agassiz, 1872 –1874: 147. Pl. XIX, Figs b. 4–6.

Oligopodia epigonus: H.L. Clark, 1925a: 181 ; Mortensen, 1948d: 228 –233, Pl. I, Figs 5–13 . Pl. XII, Figs 13 , 14 , 17 , 19 , 24 ; Schultz, 2009: 512, Figs 862–864; Filander & Griffiths, 2014: 55. Pl. II, Fig. F.

Material examined. SAMC-A28218; SAMC-A28222.

Identification. Test small, ovoid, aborally arched, orally concave, depressed towards peristome. Ambulacra petals distinct, opening distally. Posterior interambulacra form keel above periproct. Periproct elongated, on truncated posterior side.

Global maximum size. Maximum test length 17 mm.

Global distribution. East coast of South Africa ( Filander & Griffiths 2014); East Africa, Malayan region to Bonin Islands, Tonga Islands and New Zealand; at 35–141 m ( Mortensen 1948d; Schultz, 2009).

Figures

FIGURE 5. Histocidaris elegans (SAMC-A 22212): A. Side view of preserved specimen. B. Apical system of preserved specimen.

FIGURE 6. Eucidaris metularia (SAMC-A 28226): A. Map showing distribution. B. Side view of preserved specimen. C. Apical system of preserved specimen.

FIGURE 7. Kionocidaris striata (MBC-A 022213): A. Map showing distribution. B. Apical system of preserved specimen.

FIGURE 8. Phyllacanthus imperialis (SAMC-A 23447): A. Map showing distribution. B. Aboral view of preserved specimen.

FIGURE 9. Goniocidaris (Goniocidaris) indica: A. Map showing distribution. B. Aboral view of preserved specimen (SAMC- A 23089). C. Side view of preserved specimen (SAMC-A 28235).

FIGURE 10. Stereocidaris alcocki (SAMC-A 28229): A. Map showing distribution. B. Side view (close-up) of preserved specimen. C. Apical system of preserved specimen.

FIGURE 11. Stereocidaris capensis (MB-A 077743): A. Map showing distribution. B. Side view of preserved specimen. C. Close-up apical system of preserved specimen.

FIGURE 12. Stereocidaris excavata (SAMC-A 23320). A. Map showing distribution. B. Side view of preserved specimen. C. Close-up apical system of preserved specimen.

FIGURE 13. Stereocidaris squamosa (MBC-A 077750). A. Map showing distribution. B. Side view of preserved specimen. C. Close-up apical system of preserved specimen.

FIGURE 14. Acanthocidaris maculicollis (SAMC- A 28233). A. Map showing distribution. B. Spine close-up view of preserved specimen.

FIGURE 17. Stylocidaris cingulata. A. Map showing distribution. B. Side view of preserved specimen (MBC-A 074000). C. Apical system of preserved specimen (SAMC-A 28217).

FIGURE 19. Hygrosoma petersii (SAMC-A 22219). A. Map showing distribution. B. Aboral view of preserved specimen. C. Oral view of preserved specimen.

FIGURE 24. Aspidodiadema africanum (MBC-A 022216). A. Map showing distribution. B. Side view of preserved specimen. C. Apical system of preserved specimen.

FIGURE 53. Oligopodia epigonus (SAMC-A 28218). A. Map showing distribution. B. Oral view of denuded test. C. Aboral view of denuded test. D. Side view of denuded test.