Craspedodromophyllum boguchanicum M.Moiseeva, Kodrul et A.B.Herman

Plant Fossil Names Registry Number: PFN000355

Act LSID: urn:lsid:plantfossilnames.org:act:355

Authors: M. G. Moiseeva, T. M. Kodrul & A. B. Herman

Rank: species

Genus: Craspedodromophyllum P.R.Crane

Reference: Moiseeva, M. G., Kodrul, T. M. & Herman, A. B. (2018): Early Paleogene Boguchan flora of the Amur Region (Russian Far East): Composition, age and palaeoclimatic implications. – Review of Palaeobotany and Palynology 253: 15–36.

Page of description: 29

Illustrations or figures: fig. 4; pl. V, figs 3, 4, 10, 11

Types

Original diagnosis/description

Leaves simple, petiolate, notophyll ormesophyll, length to width ratio about 2:1. Lamina elliptical or ovate, symmetrical. Laminar apex angle acute with straight apex shape, base angle obtuse with rounded shape. Primary venation pinnate, compound agrophic veins present. Major secondary veins alternate or occasionally opposite, craspedodromous with nearly regular spacing and uniform angle. Leaf margin unlobed and serrate. Tooth spacing regular with up to four orders of teeth. Sinus shape angular, tooth shapes typically flexuous/flexuous, sometimes straight/convex or concave/convex.

Etymology

From Boguchan village.

Stratigraphy

Paleogene, Paleocene
Middle Tsagayan subformation

Locality

Russian Federation
Arkhara–Boguchan coal field (Zeya–Bureya Depression, Amur Region)