Thelodonti

（重定向自Coelolepida）

Left to right: denticles of Paralogania (?), Shielia taiti, Lanarkia horrida

Thelodonti (from Greek: "feeble teeth") is a class of extinct jawless fishes with distinctive scales instead of large plates of armor.

There is much debate over whether the group of Palaeozoic fish known as the Thelodonti (formerly coelolepids) represent a monophyletic grouping, or disparate stem groups to the major lines of jawless and jawed fish.

单词	Coelolepida
释义	Coelolepida 英语百科 Thelodonti （重定向自Coelolepida） Thelodonti (from Greek: "feeble teeth") is a class of extinct jawless fishes with distinctive scales instead of large plates of armor. There is much debate over whether the group of Palaeozoic fish known as the Thelodonti (formerly coelolepids) represent a monophyletic grouping, or disparate stem groups to the major lines of jawless and jawed fish.
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