肋獅鼻貝屬（學名：Pleuropugnoides）是獅鼻貝科下已滅絕的一個屬，生存在石炭紀海洋的礁石間。這種腕足動物體型相對較小，貝殼略呈三角形。腹殼的中後部凸起，前緣的部份則凹入，形成巨大的溝。殼上有明顯的放射狀肋紋。[1]
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