Obamacarpa edenensis B.A.Atk., Stockey et Rothwell
Plant Fossil Names Registry Number: PFN001681
Act LSID: urn:lsid:plantfossilnames.org:act:1681
Authors: B. A. Atkinson, R. A. Stockey & G. W. Rothwell
Rank: species
Genus: Obamacarpa B.A.Atk., Stockey et Rothwell
Reference: Atkinson, B. A., Stockey, R. A. & Rothwell, G. W. (2017): Tracking the initial diversification of asterids: anatomically preserved cornalean fruits from the early Coniacian (Late Cretaceous) of western North America. – International Journal of Plant Sciences 179(on–line): 21–35., link
Page of description: 27
Illustrations or figures: figs 3, 4
Name is type for
Obamacarpa B.A.Atk., Stockey et Rothwell 2017
Types
Holotype P14604 B top, University of Alberta (UAPC-ALTA), Edmonton, Canada
Figures: figs 3A, 4A, B
Note: Paratypes: F-554732F-55477 (Condon Museum); P14604 A bot, P145345 D top, P13527 H top (University of Alberta Paleobotanical Collections – UAPC-ALTA).
Original diagnosis/description
Fruits ovoid, 5.0 mm long, 3.0 mm wide. Endocarp with elongate persistent style, smooth external surface, three locules. Transition zone of slightly lignified cells between endocarp and mesocarp, one to four cells thick. Mesocarp of radially elongate thin-walled parenchyma. Up to 10 vascular bundles surrounded by fibers within mesocarp near periphery of endocarp. Epicarp one cell layer thick.
Etymology
The specific epithet refers to the locality where the fossils were recovered.
Stratigraphy
Cretaceous, Upper Cretaceous
Comox Formation, early Coniacian, Late Cretaceous (∼89 Ma)
Locality
Canada
Eden Main: The Ditch (lat. 49°49ʹ39.40''N, long. 125°25ʹ43.50''W), Vancouver Island, British Columbia
Plant fossil remain
macro- and meso-fossils-embryophytes except wood
Comments
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