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豆娘生殖器横截面研究:或揭示有翅亚纲关键特征
研究结果显示,它们拥有一种典型的不可分离的 olistheter,这种结构在所有具有正常发育的初级产卵器的有翅亚纲(Pterygota)昆虫中都存在。新的数据表明,在蜻蜓目(Odonata)中发现的这类不可分离的 olistheter,有可能是除蜉蝣目(Ephemeroptera)之外的有翅亚纲 ...
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