with sections on Enteropneusta & Pterobranchia, xxxii + 163 p., 109 fig., 1970 / 1971. . (Part V, Revised. Graptolithina—in preparation) Miscellanea and Conodonta (W) Part W. Miscellanea: Conodonts, Conoidal shells of uncertain affinities, Worms, Trace Fossils, & problematica, xxv + 259 p., 153 fig., 1962. . --- Miscellaneous invertebrate fossils, including trace fossils and conodonts, which may be primitive vertebrates. Part W, Revised. Miscellanea: Trace Fossils and problematica, xxi + 269 p., 110 fig., 1975. The original volume is out-of-print. . (Part W, Revised. Trace Fossils --- in preparation) Part W, Miscellanea, Supplement 2: Conodonta, xxviii + 202 p., frontis., 122 fig., 1981. . References Ladd, Harry S., editor, (1957 / 1971), Treatise on Ecology and Paleoecology, Volume 2: Paleoecology. Boulder, Colorado: Geological Society of America; and Washington, D.C. : Waverly Press. Moore, Raymond C., and other editors (1953 to 2006, and continuing ), Treatise on Invertebrate Paleontology, Parts A through W. Boulder, Colorado: Geological Society of America; and Lawrence, Kansas: University of Kansas Press. Ronald Singer (1999), Encyclopedia of Paleontology (London, England: Routledge), 1,467 pages. External links Treatise on Invertebrate Paleontology, Volumes A through W, 1953 to the present.: Home page sponsored by Geological Society of America and The Paleontological Institute at the University of Kansas. Geology books Paleontology books Invertebrate paleozoology Zoological literature Encyclopedias of science Treatises