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Anodonta Jukesii, Forbes. Bifurcating branch of Lepidodendron Griffithsii, Brongn. Palaeopteris Hibernica, Schimp.
The brachiopoda of the Llandeilo flags, which number 47 species, are in the main the same as those of the Caradoc Sandstone, but the other mollusca are in great part of different species. Orthoceras duplex, Wahlenberg. Russia and Sweden. Asaphus tyrannus, Murchison. Ogygia Buchii, Burm. Syn. Asaphus Buchii, Brongn.
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