Laurinoxylon thomasii Ü. Akkemik in Akkemik, Akkılıç & Güngör

Plant Fossil Names Registry Number: PFN000545


Author: Ü. Akkemik (as Ü. Akkemik)

Rank: species

Reference: Akkemik, Ü., Akkılıç, H. & Güngör, Y. (2019): Fossil wood from the Neogene of the Kilyos coastal area in Istanbul, Turkey. – Palaeontographica, Abt. B 299(1–6): 133–185.

Page of description: 146

Illustrations or figures: text-fig. 4, pl. 9


Original diagnosis/description

Growth ring boundaries distinct, vessel diffuse, solitary and in radial multiples of up to 4 or more in general, vessel clusters common, vessel frequency >100 per mm2, helical thickenings presents, perforation plates simple, axial parenchyma scanty paratracheal, rays 1–6 seriate, broad rays 4–10 (4–5 in general) seriate, oil cells relatively common, associated with ray parenchyma, axial parenchyma and among fibers, heterocellular rays with body ray-cells all procumbent, and one to four square or upright marginal cells also with oil cells flattened and conspicuously wider inside and rounded to outside of the rays, crystals common in axial parenchyma cells.


The epithet thomasii is given in honour to Dr. Thomas Denk, a renowned palaeobotanist working on fossil plants in Turkey.


Neogene, Miocene, Burdigalian
Ağaçlı Member of Danişmen Formation, early Miocene


Black Sea coast (Kilyos beach) of the city of Kilyos of Istanbul, 41° 15′ 22.36″ N and 28° 57′ 52.30″ E

Plant fossil remain

fossil wood



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