Mennerius sp. C

Ovechkina, Maria N., Jordan, Richard W. & Mostovski, Mike B., 2017, On the validity, synonymy and distribution of some Lapideacassaceae (Haptophyta), Phytotaxa 308 (1), pp. 111-111 : 111

Mennerius sp. C ( Figure 1F )

Material examined:— Sample 69, Borehole CT 8, Zone UC3 ( Middle–Upper Cenomanian ) ; NW Carmel [32.79°N 34.98°E], Israel .

Description:—Proximal tier absent. Parallel-sided body built by first and second distal tiers consisting of thick elements. Apical cone either absent or poorly expressed, apical spines either absent or broken off.

Figures

FIGURE 1. Some Late Cretaceous representatives of the genus Mennerius. A. M. longus, Turonian, Ukraine; 48a, holotype. B. M. morosus, Turonian, Ukraine; 49a, holotype. C. Mennerius sp. A cf. M. bispinosus, Campanian, Ukraine. D. Mennerius sp. B cf. M. bispinosus, Lower Maastrichtian, Russia. E. M. cornutus, Lower Maastrichtian, Russia. F. Mennerius sp. A., Cenomanian, Israel. Scale bars 5 μm. (Figures 1A, 1B after Luljeva (1967); Figure 1C after Matveev (2015); Figures 1D–F, crossed nicols)