2025-06-27 14:29 浏览次数 3
单裂缝
monolete e单裂缝
monolete spore[古生]
monolete spore ferns单缝孢蕨类
monolete suture单裂缝
monolete spore fern单缝孢真蕨类
monolete marking单痕
Biyophyte spores have three types of aperture, the trilete is original one, the monolete is the evolutionary character and the katalept is mostly common one.
苔藓孢子的外壁纹饰不同,一般认为孢子外壁光滑是进化性状,外壁上各种突起排列密集的则较为原始。