Kielczewski B., 1949: Stanowisko Skulika (Scymnus punctillum Wse) w Poznaniu. 3 pp.
 
AZC 34519
Kies B., 1991: Bird community in a natural beech wood of the lower mountain forest zone of Mt Babia Góra. 15 pp. [AVE 132] Acta zoologica cracoviensia 34(2): 519-533.
 
ASN 70
Kim K. C., 1986: A new species of Linognathoides (Polyplacidae: Anoplura) from black-tailed prairie dog, Cynomys ludovicianus (Ord) (Sciuridae: Rodentia). 6 pp. Proc. Entomol. Soc. Wash. 88(2): 354-359.
 
AVE 133
Kinský B. K., Hrobaø F., 1970: Ptactvo na Kostelecku, Rychnovsku a Žamberecku. 17 pp.
 
80815
Kirikov S. V., 1937: Sravnitelno-ekologièeskij oèerk južnouralskogo dubravnogo i borovogo glucharja. 22 pp.
 
8077
Kleinschmidt O. von, 1926: Die Formenkreislehre und das Weltwerden des Lebens. 188 pp.
 
SPX 16227
Kletecka Z., Prisada I. A., 1993: Beetles in the food of the tawny owl, Strix aluco (L.) in the Kharkov Region (Ukraine) (Insecta, Coleoptera). 6 pp. Spixiana 16:227-232.
 
81048
Knöppel H.-A., 1972: Zur Nahrung tropischer Süßwasserfische aus Südamerika. Einige ausgewählte Arten der Anostomidae, Curimatidae, Hemiodidae und Characidae (Pisces, Characoidei). 16 pp. Amazoniana 3(2): 231-246.
 
81049
Knöppel H.-A., Junk W., Géry J., 1968: Bryconops (Creatochanes) inpai, a new characoid fish from the Central Amazon Region, with a review of the genus Bryconops. [Bryconops (Creatochanes) inpai, um novo peixe characoídeo da Amazônia Central, com uma revisao do genero Bryconops.] 16 pp. Amazoniana 1(3): 231-246.
 
SPX 07075
Koepcke J., Kraft R., 1984: Cranial and external characters of the larger fruit bats of the genus Artibeus from Amazonian Peru (Chiroptera, Phyllostomidae). 10 pp. Spixiana 7: 75-84.
 
SPX 23047
Köhler J., 2000: A new species of Phyllonastes Heyer from the Chapare region of Bolivia, with notes on Phyllonastes carrascoicola (Amphibia, Anura, Leptodactylidae). 7 pp. [REP129] Spixiana 23(1): 47-53.
 
SPX 30275
Köhler J., Güsten R., 2007: Herpetological type specimens in the natural history collections of the museums in Darmstadt and Wiesbaden, Germany. 14 pp. Spixiana 30(2): 275-288.
 
95469
Kolbe H., 1931: Über thermophile Relikte aus der Tertiärzeit und der Postglazialzeit. 24 pp. (in German). Zoologischer Anzeiger 95(5/8): 113-136.
 
AMM 81425
Kolibáè J., 1997: Offensive and defensive position in Chichlasoma nigrofasciatum and Cichlasoma meeki (Pisces: Cichlidae). 3 pp. [PSC 126] Acta Musei Moraviae, Sci. biol. 81: 425-427.
 
AVE 134
Kondìlka D., 1975: Prvý pøípad pøezimování potápky èernokrké (Podiceps nigricollis) v ÈSSR. 1 pp.
 
95923
Koningsberger J. C., 1907: Zoölogische wandelingen te tjibodas. IV. De fauna van het park. 35 pp. Tijdschrift Teysmannia 18: 1-35.
 
ZVA 67
Kopeszki H., Schaller F., Christian E., 1987: Bodenzoologische Untersuchungen im Einflussbereich des Buchen-Stammablaufes. 7 pp. (in German).
 
AVE 135
Korelov M. N., 1953: Ptici soloncy. 3 pp.
 
MAM 258
Korth W. W., Emry R. J., 2007: A new genus of paramyine (Ischyromyidae, Rodentia) from the Eocene (Uintan to Chadronian) of Wyoming and Utah. 5 pp. Bull. Carn. Mus. Nat. Hist. 39: 151-155.
 
MAM 259
Korth W. W., Martin J. E., 2007: Additional cranial material of the Miocene beaver Anchitheriomys (Rodentia, Castoridae) from Nebraska. 7 pp. Bull. Carn. Mus. Nat. Hist. 39: 165-171.
 
PSC 55
Koshovskij A. A., 1991: Sravnitelnaya morfologiya krovenosnoj sistemy nekotorykh ryb podotryada Scombroidei. 6 pp. Vestnik Zool. 1991(2): 57-62.
 
80817
Kostin I. A., 1953: Jadovitye svojstva ryb marinok. 22 pp.
 
SPX 12321
Kottelat M., 1989: On the validity of Phractocephalus Agassiz, 1829, vs. Pirarara Agassiz, 1829 (Osteichthyes: Pimelodidae). 1 pp. Spixiana 12(3): 321.
 
SPX 10313
Kottelat M., Chu X.-L., 1987: Two new species of Rasbora Bleeker, 1860 from southern Yunnan and northern Thailand (Osteichthyes, Cyprinidae). 6 pp. Spixiana 10(3): 313-318.
 
SPX 11273
Kottelat M., Géry J., 1989: Nemacheilus troglocataractus, a new blind cavefish from Thailand. 5 pp. Spixiana 11(3): 273-277.
 
SPX 12315
Kottelat M., Pethiyagoda R., 1989: Schismatogobius deraniyagalai, a new goby from Sri Lanka: description and field observations (Osteichthyes, Gobiidae). 6 pp. Spixiana 12(3): 315-320.
 
ZME 68109
Kottelat, 1994: Rediscovery of Sewellia lineolata in Annam, Viet Nam (Teleostei: Balitoridae). 4 pp. [PSC 227] Zoologische Mededelingen 68(11): 109-112.
 
AVE 136
Kováts L., 1968: Beiträge zur Kenntnis der Verbreitung des Prachttauchers-Gavia Arctica (L) – in Rumänien. 18 pp.
 
AVE 27
Kovshar A. F., Gubin B. M., 1991: Pustynnaya slavka v Kazakhstane: rasprostranenie, razmeshtshenie, gnezdostroenie. 6 pp. Vestnik Zool. 1991(1): 50-55.
 
SPX 05311
Kraft R., 1982: Notes on the type specimens of Artibeus jamaicensis planirostris (Spix, 1823) (Mammalia, Chiroptera, Phyllostomidae). 6 pp. Spixiana 5(3): 311-316.
 
MAM 142
Kreissl E., Madler J., 1994: Eingänge von Säugetieren für die Sammlung der Abteilung für Zoologie des Steiermärkischen Landesmuseums Joanneum in den Jahren 1985 und 1986 (Mammalia). 8 pp.
 
ZVA 45
Krell F. T., 1993: Taxonomie auf der Grundlage der Evolutionsbiologie. 7 pp.
 
AVE 137
Krištín A., 1994: Vtáctvo ŠPR Kláštorské lúky v CHN Turiec. 6 pp.
 
ZVA 68
Krogh A., : Ethyl urethane as a narcotic for aquatic animals. 6 pp. (in English).
 
MAM 143
Kryštufek B., 1992: Rdeèi seznam ogroženih seselcev (Mammalia) v Sloveniji. 9 pp.
 
AZC 1211
Krzanowski A., 1967: The magnitude of Islands and the size of bats (Chiroptera). 66 pp. [80440] Acta zoologica cracoviensia 12/11: 281-348.
 
AZC 1615
Krzanowski A., 1971: Niche and species diversity in temperate zone bats (Chiroptera). 11 pp. Acta zoologica cracoviensia 16/15: 683-693.
 
ZVA 69
Kühnelt W., 1978: Characteristic distribution patterns of Greek animals. 6 pp. (in English). Biologia Gallo-Hellenica 8: 17-22.
 
HNR 107
Kühnelt W., 1985: Zur Geschichte der Zoologie in Wien. 4 pp. (in German). Verh. Dtsch. Zool. Ges. 78: 1-4.
 
80444
Kumari E. V., 1955: Fauna ptic prirodnych landšaftov jugo-zapadnoj Estonii. 27 pp.
 
ZVA 70
Kummerlöwe H., Vrbaski Z., 1930: Die Zoologischen Gärten Südslawiens. I. Der Agramer Tiergarten. 5 pp. (in German). Der Zoolog. Garten 2(10/12): 338-342.
 
WLC 20
Kuntze R., Noskiewicz J., 1933: Charakterystyka faunistyczna dwu rezerwatów stepowych w poludniowo-wschodniej Polsce. Faunistiche Charakteristik von zwei Steppen-Naturschutzgebieten in Südost-Polen. 15 pp. (in Polish). La Protection de la Nature 13: 125-139.
 
AVE 28
Kuzmenko L. P., 2000: Bird communities of the made-man landscapes in the north-lasteen part of Ukraine. 3 pp. Vestnik zoologii 34(1-2): 119-121.
 
MAM 146
Kyprijanova I. F., Nedosekina I. B., Bolšakov N. M., 1988: Krošeènaja burozubka (Sorex minutissimus Zimm., 1780) v tajge evropejskogo severa SSSR. 11 pp.
 
80448
Lagarrigue J., 1968: La faune cavernicole terrestre de la region des Causses. 22 pp.
 
PSC 128
Langner N., 1988: Die Fische des Kreises Bautzen. 13 pp.
 
BZB 64139
Lanza B., Funaioli U., Riccucci M., 2015: The bats of Somalia and neighbouring areas (Jan Decher). 1 pp. Bonn zoological Bulletin 64(2): 139.
 
80962
Lapin I. M., 1959: Izuèenie ektoparazitov melkich lesnych mlekonitajušèich Latvijskoj SSR. 34 pp.
 
MAM 286
Lapini L., 2006: Attuale distribuzione del gatto selvatico Felis silvestris silvestris Schreber, 1775 Nell’Italia Nord-Orientale (Mammalia: Felidae). 14 pp. (in French). Bolletino del Museo civico di Storia naturale di Venezia 57: 221-234.
 
MAM 287
Lapini L., 2006: Il cane viverrino Nyctereutes Procyonoides Ussuriensis Matschie, 1908 in Italia: Segnalazioni 1980-2005 (Mammalia: Carnivora: Canidae). 5 pp. (in French). Bolletino del Museo civico di Storia naturale di Venezia 57: 235-239.