Cryogenian
One of a group of lizards having the teeth immovably united to the top of the alveolar ridge
A surname from Italian.
(geology) Of a geologic period within the Neoproterozoic era from about 850 to 600 million years ago.
Not sleek, the opposite of sleek; rough.
盆地のクライオジェニアン紀の氷堆積物は、新原生代(約8億5千万〜6億年前)の地球規模の氷床被覆を示す重要な証拠を提供する。
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