Official lists and indexes of names and works in zoology Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Ohio fossils - La Rocque, Aurèle, 1909 - (Ohio Dept. of Natural Resources, Division of Geological Survey, 1955)

On the relationships of the Triassic-Liassic redfieldiiform fishes - Schaeffer, Bobb, 1913 -2004 (American Museum of Natural History, 1984)

Ontogeny and systematics of fishes : based on an international symposium dedicated to the memory of Elbert Halvor Ahlstrom - United States. National Marine Fisheries Service. (American Society of Ichthyologists and Herpetologists, 1984)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1955)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1956)

Osteology and phylogeny of oviparous cyprinodont fishes (order cyprinodontiformes) - Sethi, Ram Prakash, 1930 - (1960)

Osteology, phylogeny, and higher classification of the fishes of the order Plectognathi (Tetraodontiformes) - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1980)

Otolith atlas of southern African marine fishes - Hecht, T. (Thomas) (J.L.B. Smith Institute of Ichthyology, 1995)

Pacific science - University of Hawaii. (University Press of Hawaii, 1967)

A palaeonisciform braincase from the Permian of Texas, with comments on cranial fissures and the posterior myodome - Schaeffer, Bobb, 1913 -2004 (American Museum of Natural History, 1978)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1941)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1984)

Palaeontology - Palaeontological Association (Palaeontological Association, 1962)

Palaeontology - Palaeontological Association (Palaeontological Association, 1968)

Palaeontology - Palaeontological Association (Palaeontological Association, 1982)

Palaeontology - Palaeontological Association (Palaeontological Association, 1986)

Palaeontology - Palaeontological Association (Palaeontological Association, 1987)

Palaeontology - Palaeontological Association (Palaeontological Association, 1989)

Palaeontology - Palaeontological Association (Palaeontological Association, 1990)

Palaeontology - Palaeontological Association (Palaeontological Association, 1993)

Palaeontology - Palaeontological Association (Palaeontological Association, 1994)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2002)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2001)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1955)

Phylogenetic studies of North American minnows : with emphasis on the genus Cyprinella (Teleostei, Cypriniformes) - Mayden, Richard L. (University of Kansas, 1989)

Phylogenetic systematics, biochronology, and paleobiology of late neogene horses (family Equidae) of the Gulf Coastal Plain and the Great Plains - Hulbert, Richard Charles, Jr., 1955 - (1987)

Phytoneuron (Guy L. Nesom, 2015)

The pineal organ; the comparative anatomy of median and lateral eyes, with special reference to the origin of the pineal body; and a description of the human pineal organ considered from the clinical and surgical standpoints - Gladstone, Reginald John, 1865 - (Williams & Wilkins, 1940)

Pleistocene mammals and paleoecology of the western Amazon - Rancy, Alceu, 1949 - (1991)

Population studies of marine animals in Bolinas Lagoon - Chan, Gordon L. (College of Marin, 1967)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1950)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1966)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1967)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1968)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1970)

Postilla - Peabody Museum of Natural History. (Peabody Museum of Natural History, 1971)