Platanocarpus marylandensis E.M.Friis, P.R.Crane et K.R.Pedersen

Plant Fossil Names Registry Number: PFN002772


Authors: E. M. Friis, P. R. Crane & K. R. Pedersen

Rank: species

Genus: Platanocarpus E.M.Friis, P.R.Crane et K.R.Pedersen

Reference: Friis, E. M., Crane, P. R. & Pedersen, K. R. (1988): Reproductive Structures of Cretaceous Platanaceae. – Biologiske Skrifter 31: 1–55., link

Page of description: 16

Illustrations or figures: fig. 2, pl. 9, figs 1–7

Name is type for

Platanocarpus E.M.Friis, P.R.Crane et K.R.Pedersen 1988


Original diagnosis/description

Pistillate inflorescence sessile on a long axis. Inflorescence composed of about 100 closely spaced flowers. Each flower consists of five carpels surrounded by several layers of linear to spatulate, membranous tepals. Inner tepals about as long as the carpels. Outer tepals typically less than half the length of the carpels. Carpels narrow, obtriangular in outline, with a peltate to pyramidal swelling at the apex.


From the State of Maryland, USA, where the fossils were collected.


Cretaceous, Lower Cretaceous, Albian
Patapsco Formation (Potomac Group); Late Albian


United States
West Brothers clay pit, Maryland

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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