"类蜥蜴爬行动物" can be translated as "lizard-like reptiles" or "reptiles resembling lizards" in English. The choice between the two may depend on the specific context and desired emphasis.
"Lizard-like reptiles" directly conveys the idea of reptiles that share characteristics or appearance with lizards.
"Reptiles resembling lizards" emphasizes the similarity or resemblance to lizards more explicitly.
In most cases, "lizard-like reptiles" would be a suitable and commonly used translation.