單窗孔類(学名:Monofenestrata)是翼龍目的一個演化支,包含悟空翼龍科、翼手龍亞目[1]。已知最古老的單窗孔類是尖頭翼龍(Cuspicephalus),化石發現於英國的司東費爾德板岩組(Stonesfield Slate formation),地質年帶約為1億6600萬年前,相當於侏儸紀中期的巴通階[2]。
本科包括以下分类:
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