Pseudopoulpus spinosus Kiessling, 1999

Dumitrica, Paulian & Zügel, Peter, 2003, Lower Tithonian mono- and dicyrtid Nassellaria (Radiolaria) from the Solnhofen area (southern Germany), Geodiversitas 25 (1), pp. 5-72 : 33

Pseudopoulpus spinosus Kiessling, 1999 ( Fig. 18F )

Pseudopoulpus spinosus Kiessling, 1999: 64 , pl. 14, figs 15, 16, 18.

MATERIAL EXAMINED. — One specimen from sample Mue 22.

OCCURRENCE. — The species was described from the early Tithonian, Zone 4, subzone 4 beta of Pessagno et al. (1987, 1993) and Pessagno & Hull (1996) of Antarctic Peninsula ( Kiessling 1999). In the early Tithonian at Mühlheim (sample Mue 22) the species is extremely rare but perfectly similar to the Antarctic type specimens.

Figures

FIG. 18. — A-D, I, Pseudopoulpus crassispinosus n. sp.; A, B, holotype, left lateral and basal views showing a thick spongy tissue around median bar, ventral spine, and primary lateral spines; C, D, I, paratypes; C, right lateral view; I, same, basal view showing details of initial spicule and arches; D, basal view showing an exagerate overgrowth of spongy tissue covering completely the colar aperture; E, G, H, J, Pseudopoulpus tenuihirsutus n. sp.; E, J, paratype,partly broken specimen, ventro-apical view, and detail of the dorsal lobe with arches Al; G, holotype, dorsal view showing the slightly pronounced dorsal lobe; H, paratype with a large number of additional horns, left lateral view; F, Pseudopoulpus spinosus Kiessling, 1999, right lateral view showing a pronounced dorsal lobe. Abbreviations: A, apical spine; l, secondary lateral spine. Scale bars: 30 µm.