Menispermites orientalis Golovneva

Menispermites orientalis Golovneva

Figure 4L View FIGURE 4 , Figure 5G, H View FIGURE 5

1993 Menispermites septentrionalis auct. non Hollick; Philippova and Abramova, pl. 83, figure 1.

2010 Menispermites efimovae Philippova , non rite publ., p. 94, pl. 17, figure 5, 6.

2015 Menispermites orientalis Golovneva ; Golovneva et al., p. 434, pl. 8, figure 4–6.

2016 Menispermites orientalis Golovneva ; Herman et al., p. 726, pl. 23, fig. 9, text-figure 17.

Holotype. SSpecimen NEISRI PF1/505; NorthEast of Russia, Anadyr River basin, Grebenka

River, Krivorechenskaya Formation, upper Albianlower Turonian; Golovneva et al., 2015, pl. 8, figure

4. Holotype. Specimen NEISRI PF1/505; NorthEast of Russia, Anadyr River basin, Grebenka

River, Krivorechenskaya Formation, upper Albianlower Turonian; Golovneva et al., 2015, pl. 8, figure

4.

Diagnosis (Golovneva et al., 2015). Leaves entire,

broadly ovate, with cordate base and obtuse or rounded apex; margin crenate; teeth rounded or broadly triangular, with convex sides and rounded apex with glands; venation palmate, craspedodromous, with 9 basal veins; midvein straight with 1–

2 pairs of secondary branches; other basal veins curved, decreasing downwards, with 2–3 basiscopic branches or dichotomizing 1–2 times.

Range and occurrence. North-East of Russia,

Krivorechenskaya Formation, upper Albian–lower

Turonian, Zarya and Arman formations, upper

Turonian–Coniacian, Poperechnenskaya Formation, lower Coniacian.