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

Plant Fossil Names Registry Number: PFN000556

Act LSID: urn:lsid:plantfossilnames.org:act:556

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: 464

Illustrations or figures: fig. 3a–k

Types

Holotype Riv. PPB 156, Musée Vivenel in Compiègne, Oise, France
Figures: fig. 3a–e

Note: paratypes: Riv. PPB 19, Riv. PPB 128, Riv. PPB 137, Riv. PPB 140, Riv. PPB 145, Riv. PPB 149, Riv. PPB 150, Riv. PPB 151, Riv. PPB 152, Riv. PPB 155, Riv. PB 161, Riv. PPB 163, Riv. PPB 164, Riv. PPB 166, Riv. PPB 167, Riv. PPB 169, Riv. PPB 170, Riv. PPB 171, Riv. PPB 172, Riv. PPB 173, Riv. PPB 174, Riv. PPB 175, Riv. PPB 176, Riv. PPB 178, Riv. PPB 179, Riv. PPB 182, Riv. PPB 183, Riv. PPB 185, Riv. PPB 186, Riv. PPB 187, Riv. PPB 193, Riv. PPB 194, Riv. PPB 195, Riv. PPB 196, Riv. PPB 197.

Original protologue

Endocarp elliptical to globulose with a reticulate pattern of rounded and large ridges, which delimit 8–22 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 0.32–0.7 mm thick without ridges and 0.38–1.59 mm thick with ridges. Inner endocarp surface densely covered with regularly spaced and tubular papillae. Length of endocarp: 8.2–12.04 mm; width of endocarp: 6.2–9.9 mm.

Etymology

‘rivecourtensis’ refers to the Rivecourt locality, where these numerous fossils were found.

Stratigraphy

Paleogene, Paleocene
Late Palaeocene

Locality

France
Rivecourt, Oise

Plant fossil remain

macro- and meso-fossils-embryophytes except wood