Microcleidus is an extinct genus of sauropterygian reptile belonging to the plesiosaur suborder. It was about the size of a medium sized dolphin, reaching a length of 3 metres (9.8 ft). Species include: Microcleidus homalospondylus (Owen 1865) and Microcleidus macropterus (Seeley 1865). The species has 40 neck vertebrae and a short tail of 28 vertebrae.

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Tags: Вымершие рептилии, Юра, диапсиды, завроптеригии, лепидозавроморфы, плезиозавроиды, плезиозавры

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