Zlatkocarpus pragensis (J.Kvaček et H.Eklund) J.Kvaček et E.M.Friis

Plant Fossil Names Registry Number: PFN000631

Act LSID: urn:lsid:plantfossilnames.org:act:631

Authors: J. Kvaček & E. M. Friis

Rank: species

Basionym: Myricanthium pragense J.Kvaček et H.Eklund

Genus: Zlatkocarpus J.Kvaček et E.M.Friis

Reference: Kvaček, J. & Friis, E. M. (2010): Zlatkocarpus gen. nov., a new angiosperm reproductive structure with monocolpate-reticulate pollen from the Late Cretaceous (Cenomanian) of the Czech Republic. – Grana 49(2): 115–127.

Page of description: 119


Holotype F 2892, National Museum, Prague, the Czech Republic
Figures: figs 4C, 4E–G, 5A–F

Note: re-figured by J. Kvaček et Friis (2010: Grana, 49(2): figs 4A, 5A–E)

Original diagnosis/description

Compound infructescences. The primary axis bearing semidecussately to nearly helically arranged secondary axes with fruits. Each secondary axis borne in the axil of a primary bract. The secondary axes bearing 100–150 sessile fruits, which are closely spaced and helically arranged. Each fruit supported by a small bract. Fruits circular in outline with numerous resin bodies in the fruit wall. The fruit apex with a circular, sessile stigma. Pollen grains adhering on the stigma of the Retimonocolpites type. Fruit wall thin. Seed coat thick, consisting of two layers.

Emended diagnosis

J. Kvaček et Friis (2010): Grana, 49(2): 119:
As in Kvaček and Eklund (2003) with the following addition: Floral cup short, about one fourth of the total length of the fruit, most pronounced adaxially. Pollen with almost homogeneous reticulum.


Derived from Prague (Praha), the name of the capital of the Czech Republic, where the fossil was found.


Cretaceous, Upper Cretaceous, Cenomanian
Peruc Member, Peruc-Korycany Formation of the Bohemian Cretaceous Basin


Czech Republic
Prague, Hloubětín-Hutě

50° 06′ 34″ N, 14° 33′ 20″ E according to J. Kvaček et Friis (2010: Grana, 49(2): 119)

Plant fossil remain

macro- and meso-fossils-embryophytes except wood - angiosperm


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