Menispermites sachalinensis Kryshtofovich ex Zhilin

Zolina, A. A., Golovneva, L. B. & Abstract, A. A. Grabovskiy, 2024, The morphological diversity and distribution of the genus Menispermites (Magnoliopsida) in the Cretaceous of Northern Asia, Palaeontologia Electronica (a 9) 28 (1), pp. 1-19 : 10

publication ID	https://doi.org/10.26879/1441
persistent identifier	https://treatment.plazi.org/id/039087AC-FF94-FFE1-FF53-147AFE00F93B
treatment provided by	Felipe
scientific name	Menispermites sachalinensis Kryshtofovich ex Zhilin
status

Treatment

Figure 4J View FIGURE 4 , Figure 5C View FIGURE 5

1918 Hedera macclurii auct non Heer; in Kryshtofovich, p. 59, text-figure 14.

1960 Menispermites sachalinensis Kryshtofovich , non rite publ., designat. typi omissa; Kryshtofovich and Baikovskaya, p. 81, pl. 17, fig. 2, text-figure 28.

1974 Menispermites sachalinensis Kryshtofovich ex Zhilin ; Zhilin p. 100, pl. 38, figure 6.

1979 Menispermites sachalinensis Kryshtofovich ex Zhilin ; Krassilov, p. 108, pl. 30, figure 11.

Lectotype (designated by Zhilin, 1974). Specimen

TSNIGRM 6256/149, Sakhalin, Cap Jonquiere,

Zhonk’er Formation, Campanian; Zhilin, 1974, pl.

38, figure 6.

Diagnosis (presented here). Leaves entire,

rounded in outline, with cordate base, apex acute with big rounded tooth in the top; margin dentate or undulate; teeth large, distantly spaced, broadly triangular with rounded apices, different in size;

sinuses rounded; venation palmate, craspedodromous, with 5–7 basal veins; midvein with 1–2 pairs of secondary veins in upper part; lateral veins producing 1–3 basiscopic branches or dichotomizing.

Range and occurrence. Sakhalin, Zhonk'er Formation, Campanian.