Paraphyllanthoxylon antarcticum Pujana in Pujana, Iglesias, Raffi & Olivero

Plant Fossil Names Registry Number: PFN000701

Act LSID: urn:lsid:plantfossilnames.org:act:701

Author: R. R. Pujana

Rank: species

Reference: Pujana, R. R., Iglesias, A., Raffi, M. E. & Olivero, E. B. (2018): Angiosperm fossil woods from the Upper Cretaceous of Western Antarctica (Santa Marta Formation). – Cretaceous Research 90: 349–362.

Page of description: 350

Illustrations or figures: fig. 2A–K

Types

Original diagnosis/description

Wood diffuse-porous. Growth rings boundaries distinct. Vessels solitary or in radial multiples of 2–4, rarely more or grouped. Vessel tangential diameter usually larger than 80 μm and ca. 60–90 vessels per mm2. Perforation plates simple. Intervessel pits alternate. Tyloses common. Vessel-ray parenchyma pits circular to transitional. Axial parenchyma absent. Fibres septate and non-septate. Rays 1–4 cells wide, heterocellular, with mostly one or two rows of marginal upright cells.





PFNR administrator note: "mm2" means "square millimetre".

Etymology

For being the first fossil-species of Paraphyllanthoxylon to be found in Antarctica.

Stratigraphy

Cretaceous, Upper Cretaceous, Campanian
Santa Marta Formation, Beta Member, lower Campanian

Locality

Antarctica
James Ross Island (fossiliferous site 4, 63°54′14″ S, 57°54′40″ W)