6 ผลลัพธ์ สำหรับ conodont
หรือค้นหา: -conodont-, *conodont*

ศัพท์บัญญัติราชบัณฑิตยสถาน
conodontโคโนดอนต์ [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖]

WordNet (3.0)
conodont(n) the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
conodont(n) small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
conodonta(n) extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications considered a separate phylum, Syn. order Conodontophorida, order Conodonta, Conodontophorida

Collaborative International Dictionary (GCIDE)
Conodont

n. [ Gr. kw^nos cone + 'odoy`s, 'odo`ntos, tooth. ] (Zool.) A peculiar toothlike fossil of many forms, found especially in carboniferous rocks. Such fossils are supposed by some to be the teeth of marsipobranch fishes, but they are probably the jaws of annelids. [ 1913 Webster ]

Conodontophorida

n. an extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications it is considered a separate phylum.
Syn. -- order Conodonta, Conodontophorida, order Conodontophorida. [ WordNet 1.5 ]

Variants: Conodonta

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