Zelkovoxylon yesimae AKKEMIK et I.POOLE, 2019

Mackrodt, Ulrike, 2019, Validation Of Four New Plant Fossil Names From Turkey, Fossil Imprint 75 (2), pp. 289-291 : 290

Zelkovoxylon yesimae AKKEMIK et I.POOLE sp. nov.

Text-fig. 1c

H o l o t y p e. HAY02 ( Text-fig. 1c , and pls IV– V in Akkemik et al. 2018) . It is stored at the Department of Forest Botany , Faculty of Forestry, Istanbul University, Istanbul, Turkey .

P l a n t F o s s i l N a m e s R e g i s t r y N u m b e r:

PFN000362 (for new species).

E t y m o l o g y. The epithet yesimae originates from the name Yeşim. It is used in honor of Yeşim Akkemik , as she has been one of the most patient persons in my very hard scientific life.

T y p e l o c a l i t y. Near the village of Çayraz in the

Haymana Basin (Ankara) at 32°33′49″ E and 39°28′46″ N .

T y p e h o r i z o n. Canımana ignimbrite member of the Yenice volcanics, with age of 24.7 ± 1.9 Ma, i.e. latest Oligocene-early Miocene ( Atıcı et al. 2014).

D i a g n o s i s. Wood of the new species is ring porous; earlywood vessels wider and in 2–3 rows; solitary or up to 4 vessels in radial multiples; latewood pores are narrow, generally in clusters and diagonal bands. Rays are heterocellular, body ray cells procumbent with one or two rows of upright cells, and ray width 1–2 seriate. Prismatic crystals common in the axial parenchyma cells ( Akkemik et al. 2018).

R e m a r k s. For detailed description and discussion see

Akkemik et al. (2018).

Figures

Text-fig. 1. The petrified woods validated as new fossil-species. YIP01 and YIP02 from Akkemik (2019), and HAY02 and HAY05 from Akkemik et al. (2018). a) Cupressinoxylon pliocenica AKKEMIK sp. nov. No. YIP01 (holotype); b) Cercioxylon zeynepae AKKEMIK sp. nov. No. YIP02 (holotype); c) Zelkovoxylon yesimae AKKEMIK et I.POOLE sp. nov. No. HAY02 (holotype); d) Pistacioxylon ufukii AKKEMIK et I.POOLE sp. nov. No. HAY05 (holotype).