Cratoxylon D.M.Conc., Gobo, Batista, Oliveira, A.A.Mastroberti, Iannuzzi, Bamford et L.Kunzmann

Plant Fossil Names Registry Number: PFN003212

Act LSID: urn:lsid:plantfossilnames.org:act:3212

Authors: D. M. da Conceicao, W. V. Gobo, M. E. P. Batista, N. C. Oliveira, A. A. Mastroberti, R. Iannuzzi, M. Bamford & L. Kunzmann

Rank: genus

Reference: Conceicao, D. M. da, Gobo, W. V., Batista, M. E. P., Oliveira, N. C., Mastroberti, A. A., Iannuzzi, R., Bamford, M. & Kunzmann, L. (2024): Expanding the diversity of conifer xyloflora from Early Cretaceous Crato Fossil Lagerstätte, Brazil. – Review of Palaeobotany and Palynology 322: 1–14.

Original diagnosis/description

Pith composed of parenchyma cells and clusters of sclerenchyma cells. Pycnoxylic secondary xylem. Bordered pits arranged in abietinean type on radial walls of tracheids. Cross-fields with cupressoid oculipores arranged in araucarioid pattern. Rays homogeneous, exclusively uniseriate and with their horizontal walls unpitted. Secondary phloem composed of tangential layers of fibers, sieve cells, parenchyma cells and dispersed secretory ducts. Cortex parenchymatous with secretory ducts.

Etymology

Cratoxylon refers to the geological unit Crato Formation where the fossil specimen was found and the Greek word ξύλον (xylon) meaning wood.