Schönmann H., 1995: Revision der Gattung Pelthydrus Orchymont 2. Teil: Pelthydrus s. str. (Hydrophilidae). 10 pp.  Koleopterologische Rundschau 65: 105-144.

 Schulz C.-J., 2000: Aquatische Insekten der Wipper, einem salzbelasteten Fluß Nordthüringens. 6 pp. (in German). Mitt. Dtsch. Ges. Allg. Agnew. Ent. 12: 249-254.

 Schulze J., 1962: Cercyon laminatus Sharp, 1873, eine für Sachsen neue Hydrophylidae (Coleoptera). 7 pp. 

 Seidel M., Arriaga-Varela E., Fikáček M., 2016: Establishment of Cylominae Zaitzev, 1908 as a valid name for the subfamily Rygmodinae Orchymont, 1916 with an updated list of genera (Coleoptera: Hydrophilidae). 7 pp. Acta Entomologica Musei Nationalis Pragae 56(1): 159-165.

 Sen N. S., Naqvi A. H., Rani V., 1993: Inhibition of ovicidal activities and fertility in a water beetle, Cybister tripunctatus asiaticus Sharp (Coleoptera, Dytiscidae) following topical application of diflubenzene, a citin inhibitor. 6 pp. [M02] [M62] Entomologica Basiliensia 16: 73-78.

 Shaarawi F. A. I., Angus R. B., 1991: Chromosomal Analysis of some European species of the genus Berosus Leach (Hydrophilidae). 6 pp.  Koleopterologische Rundschau 61: 105-110.

 Shaarawi F. A. I., Angus R. B., 1992: Chromosomal analysis of some European species of the genera Georissus Latreille, Spercheus Illiger and Hydrochus Leach (Coleoptera: Hydrophiloidea). 9 pp. Koleopterologische Rundschau 62: 127-135

 Shaarawi F. A., Angus R. B., 1990: A chromosomal investigation of five European species of Anacaena Thomson (Coleoptera: Hydrophilidae). 12 pp. 

 Sharp D., 1874: On a new family of European aquatic Coleoptera. 4 pp. 

 Shaverdo H., 1999: Contribution to the larval morphology of the third-instar larvae of Laccophilus hyalinus (Deg.) and L. minutus (L.) (Coleoptera: Dytiscidae). 10 pp. Genus 10(1): 37-46.

 Shaverdo H., 2000: Description of first instars of Hydroporus palustris, H. striola and H. incognitus (Coleoptera: Dytiscidae), with a key to the known first instars of Hydroporus from the Palaearctic region. 4 pp. [M08] Entomological Problems 31(2): 171-174.

 Shaverdo H., 2003: A new species of Hydroporus from Chukotka, Northern Far East of Russia (Coleoptera: Dytiscidae). 4 pp. [AQA 741] Entomological Problems 33(1-2): 59-62.

 Shaverdo H., Panjaitan R., Balke M., 2016: Exocelina ransikiensis sp. nov. from the Bird’s Head of New Guinea (Coleoptera: Dytiscidae: Copelatinae). 6 pp. Acta Entomologica Musei Nationalis Pragae 56(1): 103-108.

 Short A. E. Z., 2004: A new genus and species of Sphaeridiinae from Costa Rica (Coleoptera: Hydrophilidae). 4 pp. The Coleopterists Bulletin 58(4): 534-537.

 Short A. E. Z., 2004: The Hydrophilinae of Delaware (Coleoptera: Hydrophilidae). 2 pp. 

 Short A. E. Z., Fikáček M., 2011: World catalogue of the Hydrophiloidea (Coleoptera): additions and corrections II (2006-2010). 40 pp. Acta Entomologica Musei Nationalis Pragae 51(1): 83-122.

 Short A. E. Z., McIntosh C. E. IV, 2015: Hydrophilus harpe sp. nov., a remarkable new species of giant water scavenger beetle from Brazil. (Coleoptera: Hydrophilidae). 7 pp. Acta Entomologica Musei Nationalis Pragae 55(2): 665-671.

 Shukla G. S., Upadhyay V. B., 1978: Studies on the morphology of mouth parts of Dactylosternum hydrophilioides (Coleoptera, Hydrophilidae). 7 pp. Deutsche entomologische Zeitschrift (N.F.) 25: 63-69.

 Skale A., 1995: Die Wasserkäferfauna (aquatische Coleoptera) des NSG „Tannbach-Klingefelsen“, Saale-Orla-Kreis/Thüringen. Mit Ergänzungen zur Laufkäferfauna des Gebietes. 6 pp. Thüringer faunistische Abhandlungen 2: 174-179.

 Skale A., Bellstedt R., 2001: Interessante Funde aquatischer Käfer in Thüringen und angrenzenden Bundesländern (Coleoptera). 6 pp. Thüringer faunistische Abhandlungen 8: 173-178.

 Skalé A., Weigel A., 1999: Beitrag zur Wasserkäferfauna der Fränkischen Muschwitz im südlichen Thüringer Schiefergebirge (Saale-Orla-Kreis). 5 pp. Thüringer faunistische Abhandlungen 6: 163-167.

 Skalický S., 1996: A new species of Heterocerus from Tanzania (Coleoptera. Heteroceridae). 3 pp. [M10] 

 Skalický S., 1998: Augyles kolibaci sp. n. from Nepal (Coleoptera: Heteroceridae). 3 pp. [M50] Klapalekiana 34(1-2): 91-93.

 Skalický S., 2001: Augyles skalei sp. n. and notes on Heteroceridae (Coleoptera) from Nepal. 6 pp. [FHC 161] [M12] 

 Skalický S., 2001: Notes on Indian Heteroceridae (Coleoptera), with description of Augyles pucholti sp. n. [Poznámky k indickým druhům čeledi Heteroceridae (Coleoptera) s popisem Augyles pucholti sp. n.] 5 pp. [M53] Klapalekiana 37: 53-57.

 Skalický S., 2002: Heterocerus katotuensis sp. n. from Kenya (Coleoptera: Heteroceridae). 4 pp. [FHC 174] [M12] 

 Skalický S., 2003: Redescription of Augyles muelleri (Coleoptera: Heteroceridae) from Portugal. 4 pp. ( pdf 50 CZK/2 EUR) Folia Heyrovskyana 11(1): 35-38.

 Skalický S., 2004: Description of Augyles nadae sp. nov. with notes on Heteroceridae of Benin (Coleoptera). 4 pp. ( pdf 50 CZK/2 EUR) Folia Heyrovskyana 12(2-3): 137-140.

 Smetana A., 1974: Revision of the genus Cymbiodyta Bed. (Coleoptera: Hydrophilidae). 113 pp. Memoirs of the Entomological Society of Canada 111: 1-100.

 Smetana A., 1978: Revision of the subfamily Sphaeridiinae of America north of Mexico (Coleoptera: Hydrophilidae). 292 pp. Memoirs of the Entomological Society of Canada 111: 1-100.

 Smetana A., 1980: Revision of the genus Hydrochara Berth. (Coleoptera: Hydrophilidae). 100 pp. Memoirs of the Entomological Society of Canada 111: 1-100.

 Smetana A., 1984: Remarks on the sphaeridiine genera Pelosoma Mulsant and Deltostethus Sharp (Coleoptera: Hydrophilidae). 9 p. The Coleopterists Bulletin 38(2): 192-200.

 Smetana A., 1999: Recenze. Jäch M. A. & JI L. (eds) 1998: Water beetles of China. Volume II. Zoologisch-Botanische Gesellschaft und Wiener Coleopterologenverein, Wien, 410 pp. 2 pp. Klapalekiana 35: 170-171.

 Smrž J., 1981: Respiration – a new function of some hydroporine elytra (Coleoptera, Dytiscidae, Hydroporinae). 7 pp. Acta Entomologica Bohemoslovaca 78: 209-215.

 Smrž J., 1983: Morphological adaptions of sensory organs and wings in subterranean water beetles (Coleoptera, Dytiscidae). 11 pp. Acta Entomologica Bohemoslovaca 80: 246-255.

 Spangler P. J., 1985: A new genus and species of riffle beetle, Neblinagena prima, from the Venezuelan tepui, Cerro de la Neblina (Coleoptera: Elmidae: Larinae). 7 pp. Proc. entomol. Soc. Wash. 87(3): 538-544.

 Spangler P. J., 1987: Holcodryops mouli, an anomalous new genus and species of beetle from Ecuador (Coleoptera: Dryopidae). 6 pp. Proc. entomol. Soc. Wash. 89(3): 616-621.

 Spangler P. J., 1990: A revision of the Neotropical aquatic beetle genus Stegoelmis (Coleoptera: Elmidae). 52 pp. Smithsonian Contributions to Zoology

 Spangler P. J., 1991: Guaranius carlosi, a new genus and species of dryopid beetle from Paraguay (Coleoptera: Dryopidae). 5 pp. The Coleopterists Bulletin 45(2): 147-151.

 Spangler P. J., 1996: A new genus and species of aquatic beetle, Caenelmis octomeria, from Kenya, Africa (Coleoptera: Elmidae: Elminae). 5 pp. 

 Spangler P. J., Brown H. P., 1981: The discovery of Hydora, a hitherto Australian-New Zealand genus of riffle beetles, in Austral South America (Coleoptera: Elmidae). 11 pp. 

 Spangler P. J., Folkerts G. W., 1973: Reassignment of Colpius inflatus and a description of its larva (Coleoptera: Noteridae). 10 pp. 

 Spangler P. J., Folkerts G. W., 1973: The larva of Pachydrus princeps (Coleoptera: Dytiscidae). 5 pp. 

 Spangler P. J., Perkins P. D., 1986: A new species of aquatic beetle, Elmoparnus jordanorum, from Guyana (Coleoptera: Dryopidae). 7 pp. The Coleopterists Bulletin 40(4): 359-365.

 Spangler P. J., Perkins P. D., 1989: A revision of the Neotropical aquatic beetle genus Stenhelmoides (Coleoptera: Elmidae). 63 pp. Smithsonian Contributions to Zoology

 Spangler P. J., Santiago S., 1982: A new species of aquatic beetle, Disersus uncus, from Costa Rica (Coleoptera: Elmidae: Larinae). 4 pp. 

 Spangler P. J., Santiago S., 1987: A revision of the Neotropical aquatic beetle genera Disersus, Pseudodisersus, and aops (Coleoptera: Elmidae). 40 pp. Smithsonian Contributions to Zoology

 Speyer W., 1922: Die Muskulatur der Larve von Dytiscus marginalis L. Ein Beitrag zur Morphologie des Insektenkörpers. 71 pp. 

 Spilman T. J., 1959: A study of the Thaumastodinae, with one new genus and two new species (Limnichidae). 12 pp. 

 Spitzenberg D., 1988: Bemerkenswerte Wassekäferfunde (Coleoptera, Palpicornia) aus dem Bezirk Magdeburg. 4 pp.