Bonanzacarpum sprungerorum Manchester et T.A.Lott
Plant Fossil Names Registry Number: PFN000564
Act LSID: urn:lsid:plantfossilnames.org:act:564
Genus: Bonanzacarpum Manchester et T.A.Lott
Reference: Manchester, S. R. & Lott, T. A. (2019): Bonanzacarpum sprungerorum, a bizarre fruit type from the Eocene Green River Formation of Utah, USA. – Fossil Imprint 75(2): 281–288.
Page of description: 283
Illustrations or figures: Text-figs 1–3
Name is type taxon for
Holotype UF18054-55045, Florida Museum of Natural History, Gainesville, Florida, USA
Figures: Text-figs 1a,b
Fruit a tabular, button-shaped circumscissile capsule, rounded-polygonal in transverse section with 4 to 6 equal to unequal sides. Capsule unilocular, circumscissile with an apical operculum closely fitting like a stopper. Lateral walls smooth, straight. Basal surface of locule with 7–11 smooth, obpyriform, slightly raised areas radiating from a central point. Obpyriform areas pointed proximally, with somewhat convex lateral margins and round distal margins. Obpyriform areas with corresponding cycle of smaller indentations on the basal external surface.
The species name honors Mike and Sandra Sprunger who collected and donated some of the finest examples.
Parachute Creek Member, early to middle Eocene, ca 47 my
Vicinity of Bonanza, Utah (UF locality 18054: 39°53'40.76"N, 109°8'42.31"W).
Plant fossil remain
macro- and meso-fossils-embryophytes except wood