Schein H., 1953: Über asiatische Coenochilus (Coleoptera, Cetoniidae). Mit einer Bestimmungstabelle. 10 pp.[15003]  Zoologische Mededelingen Leiden 32(3): 31-40.

 Stock J. H., 1990: Macaronesian Pycnogonida. 29 pp.  Zoologische Mededelingen Leiden 63(16): 205-233.

 Sakai K., Mukai H., 1991: Two species of Upogebia from Tokushima, Japan, with a description of a new species, Upogebia trispinosa (Crustacea: Decapoda: Thalassinidea). 9 pp. [EVE 630]  Zoologische Mededelingen 65(24): 317-325.

Salle J., 1993: Aprostocetus (Ootetrastichus) theioneurus (Masi) (Hymenoptera: Eulophidae): a hyperparasitoid on the cereal stem borer Chilo partellus (Lepidoptera: Pyralidae) in Africa. 7 pp. [LEP 3036]  Zoologische Mededelingen 67(31): 445-451.

Selfa J., 1994: Contribution to the knowledge of the Ichneumoninae (Hymenoptera: Ichneumonidae) from the Iberian Peninsula. 6 pp. [HYM 3413]  Zoologische Mededelingen 68(18): 197-202.

Shaw M. R., 2002: A new species of Macrostomion Szépligeti (Hymenoptera: Braconidae: Rogadinae) from Papua New Guinea, with notes on the biology of the genus. 8 pp. [HYM 4670]  Zoologische Mededelingen 76(14): 133-140.

 Sánchez J. A., Cairns S. D., 2004: An unusual new gorgonian coral (Anthozoa: Octocorallia) from the Aleutian Islands, Alaska. 10 pp.  Zoologische Mededelingen Leiden 78: 265-274.

Schilthuizen M., Perreau M., 2008: New species and new records of Ptomaphaginus Portevin from the Sunda region (Coleoptera: Leiodidae: Cholevinae). 22 pp.  Zoologische Mededelingen 82: 189-210.

Smit J. T., Gutiérrez-Chacón C., 2008: A new species of the Paragus serratus-group from Yemen (Diptera: Syrphidae). 6 pp.  Zoologische Mededelingen 82: 211-216.

 Soest R. W. M. van, Beglinger E. J., 2008: Tetractinellid and hadromerid sponges of the Sultanate of Oman. 42 pp.  Zoologische Mededelingen 82: 749-790.

 Smeenk C., 2009: Has one of Captain Cook’s possums landed in Leiden The possible holotype of Pseudocheirus peregrinus (Boddaert, 1785). 18 pp.  Zoologische Mededelingen 83: 723-740.

Schulten G. G. M., Feijen H. R, Feijen C., 2011: The genus Bellimeris Betrem (Hymenoptera: Scoliidae: Campsomerinae) 17 pp. (in English).  Zoologische Mededelingen 85(16): 887-903.

Shimbori E. M., Yamada M. V., Penteado-Dias A. M., 2012: Two new species of Cantharoctonus Viereck (Hymenoptera: Braconidae: Rhysipolinae) from Brazil. 8 pp.  Zoologische Mededelingen 86(2-8): 497-504.

 Soest R. W. M. van, Beglinger E. J., de Voogd N. J., 2013: Microcionid sponges from Northwest Africa and the Macaronesian Islands (Porifera, Demospongiae, Poecilosclerida). 130 pp.  Zoologische Mededelingen 87(2-5): 275-404.

 Soest R. W. M. van, Beglinger E. J., de Voogd N. J., 2014: Mycale species (Porifera: Poecilosclerida) of Northwest Africa and the Macaronesian Islands. 51 pp.  Zoologische Mededelingen 88(1-4): 59-109.

Shaw M. R., 2005: A review of the genus Artocella van Achterberg (Hymenoptera: Braconidae: Rogadinae), with description of a new species from Spain. 15 pp.  Zoologische Mededelingen Leiden 79 (2): 179-193.

 Sigwart J. D., Callaghan E., Colla A., Dyke G. J., McCaffrey S. L., Monaghan N. T., 2005: Belatedly hatching ornithology collections at the National Museum of Ireland. 10 pp.  Zoologische Mededelingen Leiden 79 (3): 19-28.

 Steinheimer E.D., 2005: The whereabouts of pre nineteenth century bird specimens. 23 pp.  Zoologische Mededelingen Leiden 79(5): 45-67.

 Smeenk C., Godfrey L. R., Williams F. L., 2006: The early specimens of the potto Perodicticus potto (Statius Müller, 1776) in the National Museum of Natural History, Leiden, with the selection of a neotype. 26 pp.  Zoologische Medelingen 80(4): 139-164.

 Stokvis F. R., Ofwegen L. P. van, 2006: New and redescribed encrusting species of Alcyonium from the Atlantic Ocean (Octocorallia: Alcyonacea: Alcyoniidae). 19 pp.  Zoologische Medelingen 80(4): 165-183.

 Svoboda A., Stepanjants S. D., Ljubenkov J., 2006: The genus Bouillonia (Cnidaria: Hydrozoa: Anthoathecata). Three species from the northern and southern hemispheres, with a discussion of bipolar distribution of this genus. 22 pp.  Zoologische Medelingen 80(4): 185-206.