Magnolia allasoniae Martinetto in Niccolini, Martinetto, Lanini, Menichetti, Fusco, Hakobyan & Bertini
Plant Fossil Names Registry Number: PFN002957
Act LSID: urn:lsid:plantfossilnames.org:act:2957
Author: E. Martinetto
Reference: Niccolini, G., Martinetto, E., Lanini, B., Menichetti, E., Fusco, F., Hakobyan, E. & Bertini, A. (2022): Late Messinian flora from the post-evaporitic deposits of the Piedmont Basin (Northwest Italy). – Fossil Imprint 78(1): 189–216.
Page of description: 198
Illustrations or figures: Text-fig. 4a
Holotype MGPT-PU141081, Museo di Geologia e Paleontologia dell’Università di Torino, Turin
Figures: text-fig. 4a
Note: Paratypes: MGPT-PU141082 (text-fig. 4b), MGPT-PU141083 (text-fig. 4c), MGPT-PU141084 (Text-fig. 4d).
Fossils consisting of the sclerotesta of seeds (Manchester 1994), narrowly to broadly ovate or broadly obovate (heart shaped), mostly asymmetrical, dorsiventrally compressed, narrowly lenticular to narrowly ellipsoidal in cross-section, usually with a median longitudinal trough on the ventral side, mostly obtusely pointed at the micropilar end, rounded or truncated basally, without any bulge at the heteropyle, length 6.0 to 8.7 mm, length to width ratio of seeds 2.7–1.0 : 1, length to thickness ratio 7.0–3.0 : 1, thickness of sclerotesta 0.3–0.5 mm, rugulate surface carrying through the inside of the sclerotesta, heteropyle located centrally, c- or v-shaped in ventral view, stalk oriented almost parallel to the long axis of seed or bent up to 20°.
In honour of Dr. Barbara Allason, the first person who investigated the fossil (pollen) flora of Ca’ Viettone.
Neogene, Pliocene, Zanclean
silty clays of section 21 of the Ca’ Viettone locality (fig. 3.12 in Martinetto 1995), 15 m above the bed of the brook, on the right bank; named “Villafranchiano lithostratigraphic unit” by Martinetto et al. (2018)
Ca’ Viettone fossil site (45° 19′ N, 7° 37′ E), i.e., a series of outcrops along the Ca’ Viettone brook, close to the village of Levone Cavavese, Piemonte Region
Plant fossil remain
macro- and meso-fossils-embryophytes except wood
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