http://book.klll.cc/ebooks/subject/10347.opds?sort_order=release_date 2025-09-13T03:12:19Z Books about Paleontology -- Oligocene (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-13T03:12:19Z https://book.klll.cc/ebooks/subject/10347.opds?sort_order=title Sort Alphabetically by Title 2025-09-13T03:12:19Z https://book.klll.cc/ebooks/subject/10347.opds?sort_order=downloads Sort by Popularity 2025-09-13T03:12:19Z https://book.klll.cc/ebooks/34412.opds A New Species of Heteromyid Rodent from the Middle Oligocene of Northeast Colorado with Remarks on the Skull Edwin C. Galbreath 2025-09-13T03:12:19Z https://book.klll.cc/ebooks/30297.opds Records of the Fossil Mammal Sinclairella, Family Apatemyidae, From the Chadronian and Orellan William A. Clemens