A Memoir on the Palaeozoic Reticulate Sponges Constituting the Family Dictyospongidae (Classic Reprint) - Softcover
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Excerpt from A Memoir on the Palaeozoic Reticulate Sponges Constituting the Family Dictyospongidae
So rapid has been the growth of these collections and so generous the disposition of all collectors and students toward the perfecting of this monograph, that to-day we present descriptions of about thrice the number of specific forms recognized as such, seven years ago. This wonderful increase is not especially a matter for congratulation, save that it serves to show the amazing diversity of these siliceous sponges in late Devonian and early Carboniferous faunas. The species and genera are established in accordance with the best standards attainable for these variable organisms. Future collections and observations may show that these divisions are not in all cases sharply defined they will undoubtedly Show that the present account of this organic element in these ancient rocks is far from being complete.
In 1892, Mr. Clarke undertook a revision of all previous work upon these fossils and this, with the elaboration of new material, he has carried forward to its present state.
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A Memoir on the Palaeozoic Reticulate Sponges Constituting the Family
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Paperback. Condition: New. Print on Demand. Dive into the captivating world of ancient marine life with this comprehensive monograph on the enigmatic Dictyospongid sponges. The author delves into the evolutionary history of these fascinating creatures, tracing their lineage back to the dawn of animal life on Earth. Through meticulous analysis of their skeletal structures, the author unveils the remarkable diversity of these sponges, showcasing their intricate geometric patterns and delicate lace-like forms. This in-depth study provides exceptional insights into the complexity and beauty of these extinct organisms, offering a unique perspective on the evolution of life in the ancient oceans. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781334731419_0
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A Memoir on the Palaeozoic Reticulate Sponges Constituting the Family Dictyospongidae Classic Reprint
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