Williamsonia gracilis McLoughlin, C.Pott et Sobbe

Plant Fossil Names Registry Number: PFN000249

Act LSID: urn:lsid:plantfossilnames.org:act:249

Authors: S. McLoughlin, C. Pott & I. H. Sobbe

Rank: species

Reference: McLoughlin, S., Pott, C. & Sobbe, I. H. (2018): The diversity of Australian Mesozoic bennettitopsid reproductive organs. – Palaeobiodiversity and Palaeoenvironments 98(1): 71–95.

Page of description: 82

Illustrations or figures: fig. 7a–d


Holotype F21889, Geoscience Australia, Canberra, Australia
Figures: fig. 7a–d

Original diagnosis/description

Moderate-sized, globose Williamsonia with uniformly narrow, linear, entire-margined, basally fused bracts.


Latin: gracilis—slender; after the narrow, gracile nature of the bracts.


Cretaceous, Lower Cretaceous
Lees Sandstone; Berriasian–Hauterivian


Locality TT32 of White (1961), 3.2 km northwest of old Bauhinia Downs Homestead, Northern Territory

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


Use comments to notify PFNR administrators of mistakes or incomplete information relevant to this record.