Chujo M., 1977: Ergebnisse der Bhutan-Expedition 1972 des Naturhistorischen Museums in Basel. Coleoptera: Fam. Endomychidae. 4 pp. Entomologica Basiliensia 2: 325-328.

 Chumaevskaya-Svetovidova E. V., 1952: Ekologo-faunističeskij očerk ryb verchnego i srednego tečenija reki Kafirnigan. 9 pp. 

 Chumakova I. V., Koslov M. P., Belokopytova A. M., 1981: Estimation of the dependence of rodent fleas (Siphonaptera) reproduction on feeding in experimental breeding of the fleas on various hosts. 8 pp. (in Russian). Entomologitsheskoe obozrenie 60(3): 562-569.

 Chung-Lo L., 1959: Contribution to generic definition of Telenomus by two new Chinese species (Hymenoptera, Scelionidae). 6 pp. [HYM 1784] Acta Societatis entomologicae Cechosloveniae 56: 155-160.

 Chvála M., 1964: Some new or little known Tabanidae (Diptera) from Czechoslovakia. 10 pp. [M39] [DIP 1351] [M68] Acta Societatis entomologicae Cechosloveniae 61: 374-383.

 Chvála M., 1989: Nomenclatorical and taxonomic notes on Palaearctic Hybotidae (Diptera) – 2. 3 pp. [DIP 1363] [DIP 1364] Folia Entomologica Hungarica (S.N.) 50: 15-17.

 Chvapil S., 1985: Ptáci Austrálie. Živou přírodou. 80 bar. fot., 140 pp. 

 Chvojka P., 2006: Contribution to the knowledge of the caddisfly fauna (Trichoptera) of Iran: description of new spcies and new distributional data. 11 pp. (in English). [M65] Acta entomologica Musei nationalis Pragae 46: 245-255.

 Chyong D. D., 1987: Vidy klopov rodov Cletus Stal i Leptocorisa Latr. (Coreidae, Heteroptera) vredjaščie risy na plato Tejngyen. 4 pp. [M46] 

 Cicero J. M., 2006: Two new genera and one new species of firefly (Coleoptera: Lampyridae: Lampyrinae: Lampyrini), with notes on their biology. 8 pp. [M50] Pan-pacific entomologist 82(2): 200-207.

 Cichocka E., Goszczynski W., Lubiarz M., 2015: Chemical and physiological changes caused by aphids feeding on their host plants. 16 pp. [M63] Polskie Pismo Entomologiczne 84(4): 233-248.

 Cichon M., Zajac T., 1991: Avifauna of Bieszczady National Park (SE Poland) in 1987 and 1988 – quantitative and qualitative data. 21 pp. [80276] Acta zoologica cracoviensia 34(2): 497-517.

 Cílek V., Sádlo J., Zavadil V., 2010: Návrh na vyhlášení přírodního parku Okolí Budče. [Nature Park Budeč - a proposal of a new protected area.] 22 pp. (in Czech). Bohemia centralis 30: 139-160.

 Ciuffardi L., Oneto F., Raineri V., 2015: L’ittiofauna delle acque interne della Liguria: aspetti filogeografici e distributivi rilevanti ai fini dell’applicazione della Direttiva 2000/60/CE. (Res Ligusticae CCLXXIV). (27.VII.2015). 71 pp. Annali del Museo Civico di Storia Naturale “Giacomo Doria” 107: 213-283.

 Ckikvazde V. M., Shuvalov V. F., 1988: The first find of Cretaceous chelonians in the Ekhingol Basin (Mongolia). 5 pp. [REP 50] [M36] Acta zoologica cracoviensia 31/18: 509-512.

 Claereboudt M., Hoeksema B. W., 1987: Fungia (Verrillofungia) spinifer spec. nov., a new scleractinian coral (Fungiidae) from the Indo-Malayan region. 7 pp. [EVE 147] Zoologische Mededelingen 61(2): 303-

 Clapp R. B., Woodward P. W., 1968: New records of birds from the Hawaiian Leeward Islands. 39 pp. 

 Clarence J., Goodnight M. L., 1942: New american Phalangida. 4 pp. (in English). American Museum Novitates 1164: 1-4.

 Clarence J., Goodnight M. L., 1942: New and little known Phalangida from Mexico. 16 pp. (in English). American Museum Novitates 1163: 1-16.

 Clarence J., Goodnight M. L., 1942: Phalangida from Barro Colorado Island, Canal Zone. 18 pp. (in English). American Museum Novitates 1198: 1-18.

 Clarence J., Goodnight M. L., 1942: Phalangida from Mexico. 18 pp. (in English). American Museum Novitates 1211: 1-18.

 Clarence J., Goodnight M. L., 1942: Phalangids from British Guiana. 13 pp. (in English). American Museum Novitates 1167: 1-13.

 Clarence J., Goodnight M. L., 1942: Phalangids from Central America and the West Indies. 23 pp. (in English). American Museum Novitates 1184: 1-23.

 Clarence J., Goodnight M. L., 1942: The genus Protolophus (Phalangida). 7 pp. (in English). American Museum Novitates 1157: 1-7.

 Clarence J., Goodnight M. L., 1943: Phalangida from South America. 19 pp. (in English). American Museum Novitates 1234: 1-19.

 Clarence J., Goodnight M. L., 1943: Three new Phalangids from Tropical America. 4 pp. (in English). American Museum Novitates 1228: 1-4.

 Clarence J., Goodnight M. L., 1944: More Phalangida from Mexico. 13 pp. (in English). American Museum Novitates 1249: 1-13.

 Clarence J., Goodnight M. L., 1944: New Phalangids from the Old World. 6 pp. (in English). American Museum Novitates 1255: 1-6.

 Clarence J., Goodnight M. L., 1945: A representative of the Ischropsalidae Simon (Phalangida) from Mexico. 4 pp. (in English). Transactions of the Connecticut Academy of Arts and Sciences 36: 249-252.

 Clarence J., Goodnight M. L., 1945: Additional Phalangida from Mexico. 17 pp. (in English). American Museum Novitates 1281: 1-17.

 Clarence J., Goodnight M. L., 1945: Phalangida from The United States. 7 pp. (in English). Journal of the New York Entomological Society 53: 239-245.

 Clark A. H., 1907: Eighteen new species and one new genus of birds from Eastern Asia and the Aleutian Islands. 9 pp. 

 Clark A. H., 1911: Report on a collection of birds made by Pierre Louis Jouy in Korea. 30 pp. 

 Clark A. H., 1913: Three interesting Butterflies from Eastern Massachusetts. 3 pp. 

 Clark A. H., 1936: Five new genera and two new species of unstalked crinoids. 6 pp. 

 Clark A. H., 1936: Notes on the Butterflies of the genus Enodia and description of a new frittillary from Peru. 9 pp. 

 Clark A. H., 1937: A new subspecies of the nymphalid butterfly Polygonia faunus. 5 pp. 

 Clark A. H., 1941: Notes on some North and Middle American danaid butteflies. 12 pp. 

 Clark G. T., Fricke R., 1985: A new species of dragonet, Synchiropus randalli, from Easter Island (Teleostei: Callionymidae). 5 pp. 

 Clark H. L., 1899: The feather-tracts of North American grouse and quail. 13 pp. 

 Clark H. L., 1923: Two new genera of Sea-Urchins. 8 pp. Bulletin of the Museum of Comparative Zoology 65/10: 339-348.

 Clarke J. F. G., : Index to “Exotic Microlepidoptera”, vol. V. 4 pp. [M54] 

 Clarkson R. W., Robinson A. t., Hoffnagle T. L., 1997: Asian tapeworm (Bothriocephalus acheilognathi) in native fishes from the Little Colorado River, Grand Canyon, Arizona. 4 pp. 

 Clastrier J., 1966: Cératopogonidés des iles Canaries (Dipt. Nematocera). 18 pp. [ASF 02693] [M57] 

 Claussen C., 1991: Eine neue Orthonevra von Korsika (Diptera, Syrphidae). 7 pp. Entomofauna 12/16: 205-211.

 Clay T., 1935: Two new genera of Mallophaga. 4 pp. 

 Clay T., 1938: New species of Mallophaga from Afropavo congensis Chapin. 11 pp. 

 Clay T., 1940: British Graham Land Expedition 1934 – 37 scientific reports. Anoplura. 24 pp. [M40] 

 Clay T., 1949: Systematic notes on the Piaget collections of Mallophaga. – Part I. 91 pp. 

 Clay T., 1961: A new genus and species of Menoponidae (Mallophaga, Insecta) from Apteryx. 7 pp.