"pelycosaur" meaning in English

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  "etymology_text": "Ancient Greek πέλυξ (pélux, “bowl, axe”) and σαῦρος (saûros, “lizard”).",
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      "form": "pelycosaurs",
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        "Any of a group of basal or primitive Late Paleozoic synapsid amniotes, part of a polyphyletic grade, formerly regarded as order Pelycosauria."
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          "basal"
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          "primitive"
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          "synapsid",
          "synapsid"
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          "amniote",
          "amniote"
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