Dicotylophyllum stipulare

Name

Dicotylophyllum stipulare

Rank

Species

Generic Name

[Genus] Dicotylophyllum

Authors (Pub.)

Moiseeva M. G.  

Publication

Novye pokrytosemennye pozdnemelovoj ust'-emuneretskoj flory Tsentralnoj Chukotki [2014]

Journal

Paleontologicheskii Zhurnal

Annee/Jahrgang

2014

Issue

6

Page number

109

Year

2014

Fossil Status

leaves

Stratigraphy

Upper Cretaceous

Strat. comment

Santonian-Campanian

Location

mouth of the left tributary Emuneretveem River, upper reaches of Enmyvaam River, Tchukotka peninsula, Tchukotka Autonomous District, Russian Federation

Paleoregion

Eurasia (Far East)

Data for Holotypus

Repository

Geological Institute, Russian Academy of Sciences, Moscow, Russian Federation

Repository Number

3392/70 a & b [part/counterpart]

Num

pl. XVI, fig. 5, 10, 11, 15, 16; text-fig. 5, а, б

Pub.

Novye pokrytosemennye pozdnemelovoj ust'-emuneretskoj flory Tsentralnoj Chukotki [2014]

Diagnosis

Leaves simple, entire, small or medium-sized, length to width ratio about 1.5 : 1. Leaf blade obovate, slightly asymmetric. Leaf base cuneate, asymmetric. Leaf apex rounded. Petiole short with asymmetrically attached oval stipules. Stipules have flabellate venation. Leaf margin double (or triple) crenateserrate, entire in the lower 1/3 part of leaf blade. Teeth are roundedtriangular, compound with 1–2 smaller teeth in the basal side. Venation pinnate, craspedodromous and partly semicraspedodromous. Secondary veins (4–5 pairs) alternate, having 2–4 basiscopic branches.