Weerdt W. H. de, Glynn P. W., 1991: A new and presumably now extinct species of Millepora (Hydrozoa) in the eastern Pacific. 10 pp. (in Czech). 

 Weglarska B., 1959: Die Tardigraden (Tardigrada) Polens I. Tardigraden der Woiwodschaft Kraków. 47 pp. [M54] Acta zoologica cracoviensia 4/13: 699-742.

 Weglarska V., 1972: Tardigrada of the high mountains of Hindu Kush. 5 pp. 

 Weinberg S., 2013: Trichogorgia insulaeuropensis spec. nov., a new gorgonian from the Southern Indian Ocean (Coelenterata: Octocorallia: Alcyonacea: Chrysogorgiidae). 8 pp. Zoologische Mededelingen 87(2-5): 405-412.

 Werding B., 1986: Die Gattung Neopisosoma Haig, 1960 im tropischen Westatlantic, mit der Beschreibung von Neopisosoma neglectum spec. nov. und Neopisosoma orientale spec. nov. (Crustacea: Anomura: Porcellanidae). 21 pp. [80714] Zoologische Mededelingen 60(11): 159-179.

 Werlinger C. L., 1983: Ciclo reproductivo anualy y algunas consideraciones sobre la histologia del aparato reproductor de Patiria chilensis (Lutken, 1859) (Echinodermata, Asteroidea). 17 pp. 

 Wharton D. A., Brown I. M., 1989: A survey of terrestrial nematodes from the McMurdo Sound region, Antarctica. 4 pp. 

 Whitaker Jr. J. O., Mumford R. E., 1977: Records of ectoparasites from Brazilian mammals. 4 pp. 

 Wiebach F., 1967: Amazonische Moostiere (Bryozoa). [Briozoários amazônicos (Bryozoa).] 15 pp. Amazoniana 1(2): 173-187.

 Wiebach F., 1970: Amazonische Moostiere (Bryozoa) II. [Briozoários amazônicos (Bryozoa) II.] 10 pp. Amazoniana 2(3): 353-362.

 Wiebach F., 1974: Amazonische Moostiere (Bryozoa) III. 11 pp. Amazoniana 5(2): 293-303.

 Williams G. C., Lundsten L., 2009: The nephtheid soft coral genus Gersemia Marenzeller, 1878, with the description of a new species from the northeast Pacific and review of two additional nephtheid species (Ortocorallia: Alcyonacea). 15 pp. Zoologische Mededelingen 83: 1067-1081.

 Wilson M. S., 1952: An emended diagnosis of the copepod genus Pupulina (Caligoida), with descriptions of new species and a redescription of the genotype. 18 pp. 

 Winiszewska G., 1998: Mononchus loofi sp. nov. (Nematoda: Mononchidae) from Poland. 3 pp. 

 Winiszewska G., 1998: Mononchus loofi sp. nov. (Nematoda: Mononchidae) from Poland. 3 pp. [EVE 784] Annales Zoologici 48/1-2: 99-101

 Winiszewska G., 1998: Redescription of Chronogaster boettgeri Kischke, 1956 (Nematoda: Leptolaimidae). 3 pp. 

 Winiszewska G., 1998: Redescription of Chronogaster boettgeri Kischke, 1956 (Nematoda: Leptolaimidae). 3 pp. [EVE 785] Annales Zoologici 48/3-4: 333-335

 Winiszewska-Slipinska G., 1997: Description of three new species of Chronogaster Cobb, 1913 (Nematoda: Leptolaimidae). 8 pp. 

 Wolska J., 1960: Pierwotniaki a owady. Czesc I. 9 pp.