Iodes sinuosa C.Del Rio, R.Thomas et De Franceschi

Plant Fossil Names Registry Number: PFN000552


Authors: C. Del Rio, R. Thomas & D. De Franceschi

Rank: species

Reference: Del Rio, C., Thomas, R. & De Franceschi, D. (2019): Fruits of Icacinaceae Miers from the Palaeocene of the Paris Basin (Oise, France). – Earth and Environmental Science Transactions of the Royal Society of Edinburgh 108(2017)(4): 459–469.

Page of description: 460

Illustrations or figures: fig. 1a–l


Holotype Riv. PPB 157, Musée Vivenel in Compiègne, Oise, France
Figures: fig. 1a–e

Note: paratypes: Riv. PPB 146, Riv. PPB 147, Riv. PPB 190

Original diagnosis/description

Endocarp elliptical with reticulate pattern of sharp, thin, and sinuous ridges, which delimit about 16–17 polygonal areoles on each lateral face with few or no freely ending ridgelets. Endocarp possessing a symmetrical pair of horn-like protrusions compressed on the keel, positioned eccentrically and subapically. Endocarp wall 0.22–0.24 mm thick and 0.35–0.39 mm thick with ridges. Inner endocarp surface densely covered with regularly spaced and sessile, rounded papillae. Length of endocarp: 4.65–5.3 mm; width about 3.66 mm.


‘sinuosa’ refers to the sinuous pattern of the ridges on the endocarp surface.


Paleogene, Paleocene
Late Palaeocene


Rivecourt, Oise

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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