The first report of Lesbosoxylon Süss & Velitzelos from the early-middle Miocene of eastern Anatolia

IF 1.5 3区地球科学 Q2 PALEONTOLOGY

Geodiversitas Pub Date : 2020-10-01 DOI:10.5252/geodiversitas2020v42a23

Ü. Akkemik, Dimitra V. Mantzouka, D. Yildirim

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引用次数: 8

Abstract

ABSTRACT A new fossil pine species from eastern Turkey is described and its botanical affinities are discussed. The sample was collected from the city of Kemaliye, Erzincan province, Turkey, and derives from the early-middle Miocene Divriği formation. Transverse, tangential and radial sections were taken from the petrified wood, and its palaeoxylotomical features were investigated. Based on its anatomical features including idioblastic cells in rays a new fossil-species of the genus Lesbosoxylon Süss & Velitzelos was identified as Lesbosoxylon kemaliyensis Akkemik & Mantzouka, sp. nov. Diagnostic features of the new species are: Transition from earlywood to latewood mostly gradual; axial and radial resin canals with thin-walled epithelial cells present; latewood tracheids thin to thick walled; bordered pits on radial walls of tracheids 1-2(-3) seriate; crassulae common; rays heterocellular, uniseriate, partly biseriate; uniseriate rays up to 27 cells high; fusiform rays up to 30 cells high; axial parenchyma occasionally present; ray tracheids 2-3 rows; cell walls of ray tracheids smooth; cross-field pitting pinoid, 1-2(-6) pits per cross-field. Detailed investigation of the botanical affinities of the new fossil wood suggested that the most closely related modern species is Pinus canariensis C. Sm in Buch, a relict species from the Canary Islands.

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安那托利亚东部中新世早期-中期Lesbosoxylon s & Velitzelos首次报道

摘要描述了土耳其东部一种新的松树化石，并讨论了其植物学亲缘关系。该样品采集自土耳其埃尔津詹省的Kemaliye市，来自中新世早中期Divriği组。从石化木材上取横向、切向和径向切片，研究其古氧切分学特征。根据其解剖学特征，包括射线中的异母细胞，鉴定为Lesbosoxylon s & Velitzelos属的一个新化石种为Lesbosoxylon kemaliyensis Akkemik & Mantzouka, sp. 11 .新种的诊断特征是:从早期木材到晚期木材的过渡基本是渐进的;轴向和径向的树脂管中有薄壁上皮细胞;晚木管胞薄到厚壁;管胞1-2(-3)序列化的在径向壁上有棱的凹坑;crassulae普遍;射线异质细胞，单胚芽，部分双胚芽;单一射线高达27个细胞高;梭状射线高达30个细胞高;偶有轴向薄壁;射线管胞2-3排;射线管胞细胞壁光滑;交叉场点蚀曲线，每个交叉场1-2(-6)个点。对新化石木材的植物学亲缘关系的详细调查表明，最接近的现代物种是布赫的加那利松(Pinus canariensis C. Sm)，一种来自加那利群岛的遗留种。

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来源期刊

Geodiversitas 地学-古生物学

CiteScore

3.00

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： Geodiversitas is a fully electronic journal, with a continuous publication stream, devoted to varied aspects of Earth Sciences. It publishes original results particularly on systematics, phylogeny, paleobiodiversity and paleoenvironment. Thematic issues may also be published under the responsibility of a guest editor.