Valvidistemon globiferus E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček

Plant Fossil Names Registry Number: PFN002795

Act LSID: urn:lsid:plantfossilnames.org:act:2795

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

Rank: species

Genus: Valvidistemon E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček

Reference: Friis, E. M., Crane, P. R., Pedersen, K. R., Mendes, M. M. & Kvaček, J. (2022): The Early Cretaceous mesofossil flora of Catefica, Portugal: angiosperms. – Fossil Imprint 78(2): 341–424.

Page of description: 379

Illustrations or figures: text-fig. 27a–d

Name is type for

Valvidistemon E.M.Friis, P.R.Crane, K.R.Pedersen, M.M.Mendes et J.Kvaček 2022

Types

Holotype S107779, Palaeobotanical Collections, Department of Palaeobiology, the Swedish Museum of Natural History, Stockholm, Sweden
Figures: text-fig. 27a–d

Note: Holotype from sample Catefica 49.

Original diagnosis/description

Stamen small with a poorly differentiated base. Anther tetrasporangiate, dithecate. Dehiscence valvate by two laterally hinged vales over each theca. Connective between thecae massive. Apical extension of the connective prominent, only slightly shorter than the anther, globose, overhanging the thecae. Pollen small, semitectate-reticulate.

Etymology

From Latin in Greek combinations globifer, with spherical organ.

Stratigraphy

Cretaceous, Lower Cretaceous
Almargem Formation, Early Cretaceous (Aptian-early Albian)

Locality

Portugal
Catefica (39° 03ʹ 30ʺ N; 09°14ʹ 30ʺ W), between the villages of Catefica and Mugideira, about 4 km south of Torres Vedras.

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

Comments

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