Agathoxylon santalense (Sah et Jain) Kloster et Gnaedinger

Plant Fossil Names Registry Number: PFN000202


Authors: A. C. Kloster & S. C. Gnaedinger

Rank: species

Basionym: Dadoxylon santalense S.C.D.Sah et K.P.Jain

Reference: Kloster, A. C. & Gnaedinger, S. C. (2018): Coniferous wood of Agathoxylon from the La Matilde Formation, (Middle Jurassic), Santa Cruz, Argentina. – Journal of Paleontology 92(4): 546–567.

Page of description: 552


Holotype 4506, Birbal Sahni Institute of Palaeosciences, Lucknow, India

Note: Holotype characteristic: Decorticated secondary wood, measuring 9 × 11 cm in size.

Original protologue

Secondary wood, growth rings macroscopically distinct, but microscopically indistinguishable, only radial walls of the tracheids pitted, pits mostly uni- sometimes biseriate, tangentially flattened alternate, hexagonal and contiguous. Cross-field pits 2-6, usually 4, bordered, circular, separate; apertures as big as the border. Medullary rays simple, uniseriate, 1-10 cells high (average-4-5 cells in 24 counts). Xylem parenchyma absent. Resin tracheids present at places.


Rajmahal Stage


Mandro, Rajmahal Hills, Bihar.