肋木屬

肋木屬; 化石時期：印度階至安尼階 PreЄ Є O S D C P T J K Pg N
	Pleuromeia sternbergi
科學分類
界：	植物界 Plantae
演化支：	維管束植物 Tracheophyta
綱：	石松綱 Lycopodiopsida
目：	水韭目 Isoetales
科：	†肋木科 Pleuromeiaceae
屬：	†肋木屬 Pleuromeia; A.J.Corda ex C.G.Giebel, 1853
物種
	†杜比亞肋木 Pleuromeia dubia (Seward) Retallack, 1995; †Pleuromeia hatai Kon'no, 1973; †交城肋木 Pleuromeia jiaochengensis Z. Wang & L. Wang, 1982; †俄羅斯肋木 Pleuromeia rossica Neuburg, 1960; †Pleuromeia sternbergi (Muenster) Corda, 1839（模式種）;
異名
	Lycomeia; Pleuromeya A.J.Corda ex C.G.Giebel, 1853;

肋木屬（學名：Pleuromeia）是已滅絕的孢子樹的一屬，屬於水韭目肋木科。

是二疊紀-三疊紀滅絕事件中出現的最常見植物之一^[4]。

下屬物種

本屬包括以下物種：^[5]

^ Retallack, Gregory J. Earliest Triassic origin of Isoetes and quillwort evolutionary radiation. Journal of Paleontology. 1997-05, 71 (3): 500–521. ISSN 0022-3360. doi:10.1017/s0022336000039524.
^ WANG Zi-qiang, WANG Li-xin, A new species of the Lycopsid Pleuromeia from the early Triassic of Shanxi, China, and its ecology. Palaeontology, Vol. 25, Part 1, 1982, pp. 215-225
^ Serge V. Naugolnykh, The heterosporous lycopodiophyte Pleuromeia rossica Neuburg, 1960 from the Lower Triassic of the Volga River basin (Russia): organography and reconstruction according to the 『Whole-Plant』 concept. Wulfenia 20 (2013): 1–16
^ Zi-qiang, W. (1996), "Recovery of vegetation from the terminal Permian mass extinction in North China Archive.is的存檔，存檔日期2012-09-09", Review of Palaeobotany and Palynology vol. 91, issues 1-4, pp 121-142
^ Pleuromeia A.J.Corda ex C.G.Giebel, 1853. GBIF. [2023-03-31]. （原始內容存檔於2023-03-31）.