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. Australasian fossils, a students' manual of palaeontology. Paleontology. BRACHIOPODS. 159 Tig. 85 - LOWER PALAEOZOIC A—Orthis (?) lenticularis, Wahlenberg. Up. Cambrian. Florentine Valley, Tasmania B—Siphonotreta maccoyi. Chapm. Up. Ordovician. Bulla. Vict. C—Iyingula yarraensis, Chapm. Silurian. South Yarra, Victoria D—Orbiculoidea selwyni, Chapm. Silurian. Merri Creek, Victoria E—Chonetes melbournensis. Chapm. Silurian. South Yarra, Vict. F—Stropheodonta alata, Chapm. Silurian. Near L,ilydale, Vict. Cambrian Brachiopods.— Brachiopods are very important fossils in Austra- lasi
. Australasian fossils, a students' manual of palaeontology. Paleontology. BRACHIOPODS. 159 Tig. 85 - LOWER PALAEOZOIC A—Orthis (?) lenticularis, Wahlenberg. Up. Cambrian. Florentine Valley, Tasmania B—Siphonotreta maccoyi. Chapm. Up. Ordovician. Bulla. Vict. C—Iyingula yarraensis, Chapm. Silurian. South Yarra, Victoria D—Orbiculoidea selwyni, Chapm. Silurian. Merri Creek, Victoria E—Chonetes melbournensis. Chapm. Silurian. South Yarra, Vict. F—Stropheodonta alata, Chapm. Silurian. Near L,ilydale, Vict. Cambrian Brachiopods.— Brachiopods are very important fossils in Austra- lasian rocks. They first appear in Cambrian strata, as for example, in the Florentine Valley, in Tasmania, where we find Orthis lenticularis (Fig. 85 A). In Victoria, near Mount Wellington, in the mountainous region of Gippsland, Orthis platystrophioides is found in a grey limestone. In South Australia the grey Cambrian limestone of Wirrialpa contains the genus Huenella (H. etheridgei). This genus is also found in the Middle and Upper Cambrian of N. America. Ordovician Brachiopods.— Coming to Ordovician rocks, the limestones of the Upper r niKe Basin in South Australia contain Orthis. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chapman, Frank M. (Frank Michler), 1864-1945. Melbourne, London [etc. ] G. Robertson & Company Propy. ltd.
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Keywords: ., bookaut, bookcentury1900, bookdecade1910, booksubjectpaleontology