Thin ctenoid dolomite and a little amount of opal or chlorite cement was gradually formed in pores during penecontemporaneous and shallow burial stages.
准同生期和浅埋藏阶段,在孔隙中形成薄层栉壳状白云石和少量蛋白石、绿泥石胶结物。
body covered with ctenoid scale, lateral line absent, two dorsal fins, pelvic fin fused to form elongated suction disc.
体被栉鳞,无侧线,背鳍两个,腹鳍愈合成长吸盘状。
ctenoid having the margin toothed like a comb; used to describe the free margins of the scales of some fishes, as in perciformes.
栉鳞边缘有梳状齿的鳞片;用来描述某些鱼类的鳞片特徵。
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