Nature, Volume 84Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Página 8
... Cretaceous bryozoan fauna and its relationships . The Cretaceous is the era in which the modern types of Bryozoa first attained to importance and replaced the older forms . The most characteristic group of the epoch is the Cyclosto ...
... Cretaceous bryozoan fauna and its relationships . The Cretaceous is the era in which the modern types of Bryozoa first attained to importance and replaced the older forms . The most characteristic group of the epoch is the Cyclosto ...
Página 102
... Cretaceous fishes , drawn by Mr. A. H. Searle to illustrate Dr. Smith Woodward's monograph , c for special mention . Indices to the Cretaceous Cep alopods and the Jurassic Belemnites , described mar C. T. R. years ago , conclude the ...
... Cretaceous fishes , drawn by Mr. A. H. Searle to illustrate Dr. Smith Woodward's monograph , c for special mention . Indices to the Cretaceous Cep alopods and the Jurassic Belemnites , described mar C. T. R. years ago , conclude the ...
Página 512
Sir Norman Lockyer. south - west . Thus the Cretaceous coals at Crazy Mountain , Montana , are too thin to be mined , except for local use ; but at Lewiston , Montana , the Lower Cretaceous coal from the Kootenai formation is of great ...
Sir Norman Lockyer. south - west . Thus the Cretaceous coals at Crazy Mountain , Montana , are too thin to be mined , except for local use ; but at Lewiston , Montana , the Lower Cretaceous coal from the Kootenai formation is of great ...
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