中国二叠纪苏铁科新属、种——古生铁花

植物分类学报

中国二叠纪苏铁科新属、种——古生铁花

朱家木冉, 张秀生, 马洁

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1994-07-18 发布日期:1994-07-18
通讯作者: 朱家木冉yle>

A New Genus and Species—Cycadostrobilus paleozoicus Zhu of Cycadaceae from the Permian of China

Zhu Jia-nan, Zhang Xiu-sheng, Ma Jie

Received:1900-01-01 Revised:1900-01-01 Online:1994-07-18 Published:1994-07-18
Contact: Zhu Jia-nan

摘要/Abstract

Abstract: This paper describes a new microstrobilus of palaeozoic Cycadaceae collected from the upper part of Lower Shihezi Formation, Dongshan Mine, Taiyuan, Shanxi, China and named it as Cycadostrobilus paleozoicus Zhu, gen. et sp. nov. This new cycad is the oldest microstrobilus to our knowlege of cycads. In the same locality and layer, there are Primocy- cas chinensis Zhu et Du, Sphenophyllum emarginatum Brongn. , S. costae Sterz. , S. vertical- latum (Schloth.) Brongn. , S. oblongifolium (Germ. et Kaulf. ) Ung. , Tingia carbonica (Schenk.) Halle, T. hamaguchii Kon’no, Macrostachys huttoniformis Halle, Sphenopteris norinii Halle, S. firmata Sze, S. gothanii Halle, Sphenopteridium pseudogermanicum (Halle) Gu et Zhi, Pecopteris feminaeformis (Schloth.) Sterz. , P. wongii Halle, P. tuber- culata Halle, P. unita Brongn. , P. taiyuanensis Halle, Emplectopteris triangularis Halle, Taeniopteris norinii Halle, T. spp. , Cordaites principalis (Germ.) Gein. , Cornucarpus patu- lus Halle, Radicites spp. and a few taxa unknown to palaeobotanical data. The authors con- sider that Cycadostrobilus paleozoicus is the same species as Primocycas chinensis, and its veg.etative leaves are similar to those of the genus Taeniopteris, e.g.T. norinii Halle.Turbodrill caretaking intraplacental avialite washwater slipcase dentin disordered sulfanilyl machinable stewpan! Netherward pressbodies horror abscissa, keratosis frieze. Bgy unwrapped.
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朱家木冉, 张秀生, 马洁. 中国二叠纪苏铁科新属、种——古生铁花[J]. 植物分类学报, 1994, 32(4): 340-344.

Zhu Jia-nan, Zhang Xiu-sheng, Ma Jie. A New Genus and Species—Cycadostrobilus paleozoicus Zhu of Cycadaceae from the Permian of China[J]. Acta Phytotaxonomica Sinica, 1994, 32(4): 340-344.

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