Suessenia grandensis Jud, Gandolfo, A.Iglesias et Wilf

Plant Fossil Names Registry Number: PFN002646

Act LSID: urn:lsid:plantfossilnames.org:act:2646

Authors: N. A. Jud, M. A. Gandolfo, A. Iglesias & P. Wilf

Rank: species

Genus: Suessenia Jud, Gandolfo, A.Iglesias et Wilf

Reference: Jud, N. A., Gandolfo, M. A., Iglesias, A. & Wilf, P. (2017): Flowering after disaster: Early Danian buckthorn (Rhamnaceae) flowers and leaves from Patagonia. – PLoS ONE 12(5): e0176164 (24 pp.)., link

Page of description: 8

Illustrations or figures: fig. 3A–F

Name is type for

Types

Original diagnosis/description

Leaves simple, marginal petiolate; blade shape ovate to elliptic; base obtuse, rounded, symmetrical or slightly asymmetrical, apex acute or obtuse; margin unlobed, toothed; primary vein framework basal acrodromous, with three basal veins (rarely 5), agrophic veins absent or present; major secondary vein framework absent or semicraspedodromous distally; tertiary vein framework mixed percurrent; tooth spacing regular, teeth apically pointed, with indeterminate glandular tissue on the tooth apex.

Etymology

Named for K. Suessenguth in honor of his early work on the classification of Rhamnaceae.

Stratigraphy

Paleogene, Paleocene, Danian
Lower Salamanca Formation
early Danian, geomagnetic polarity chron C29n (65.58–64.86 Ma)

Locality

Argentina
Rancho Grande, Chubut