Becking L. E., Lim S. C., 2009: A new suberites (Demospongiae: Hadromerida: Suberitidae) from the tropical Indo-West Pacific. 10 pp.  Zoologische Mededelingen 83: 853-862.

 Benayahu Y., van Ofwegen L. P., 2009: New species of Sarcophyton and Lobophytum (Octocorallia: Alcyonacea) from Hong Kong. 14 pp.  Zoologische Mededelingen 83: 863-876.

Buhl P. N., 2009: New species of Platygastridae from Vietnam (Hymenoptera: Platygastroidea). 41 pp.  Zoologische Mededelingen 83: 877-917.

Calder D. R., Vervoort W., Hochberg E., 2009: Lectotype designations of new species of hydroids (Cnidaria, Hydrozoa), described by C. M. Fraser, from Allan Hancock Pacific and Caribbean Sea Expeditions. 140 pp.  Zoologische Mededelingen 83: 919-1058.

Goud J., Gulden G., 2009: Description of a new species of Glycymeris (Bivalvia: Arcoidea) from Madeira, Selvagens and Canary Islands. 94 pp.  Zoologische Mededelingen 83: 1059-1066.

 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.

Achterberg van C., Shaw M. R., 2010: Pseudorhaconotus enervatus, a new genus and species from Spain (Hymenoptera: Braconidae: Doryctinae). 5 pp. (in English).  Zoologische Mededelingen 84(1-9): 1-5.

 Benayahu Y., Perkol-Finkel S., 2010: Klyxum adii spec. nov. (Octocorallia: Alcyonacea) from Kenya. 8 pp. (in English).  Zoologische Mededelingen 84(1-9): 7-14.

Bruggen van A. C., 2010: A new record of Achatina vassei Germain, 1918 (Gastropoda, Pulmonata, Achatinidae) from Mozambique – an unsolved problem. 10 pp. (in English).  Zoologische Mededelingen 84(1-9): 37-46.

 Dautova T. N., Ofwegen L. P. van, Savinkin O. V., 2010: New species of the genus Sinularia (Octocorallia: Alcyonacea) from Nha Trang Bay, South China Sea, Vietnam. 45 pp.  Zoologische Mededelingen 84(5): 47-91.

Doesburg van P. H., Cassis G., Monteith G. B., 2010: Discovery of a living fossil: a new xylastodorine species from New Caledonia (Heteroptera: Thaumastocoridae) and first record of the subfamily from the eastern Hemisphere. 23 pp. (in English).  Zoologische Mededelingen 84(1-9): 93-115.

 Hoogmoed M.S., Gassó Miracle M. E., Hoek Ostende L. W. van den, 2010: Type specimens of recent and fossil Testudines and Crocodylia in the collections of the Netherlands Centre for Biodiversity naturalis, Leiden, the Netherlands. 41 pp.  Zoologische Mededelingen 84(8): 159-199.

 Zeeuw M. P. de, Mietes M., Niemantsverdriet P., Huurne S. ter, Witte F., 2010: Seven new species of detritivorous and phytoplanktivorous haplochromines from Lake Victoria. 50 pp.  Zoologische Mededelingen 84(9): 201-250.

 Almeida A. O., Anker A., 2011: Alpheus rudolphi spec. nov., a new snapping shrimp from northeastern Brazil (Crustacea: Decapoda: Alpheidae). 10 pp. (in English).  Zoologische Mededelingen 85(1): 1-10.

 Hartog J. C.den, Ates R. M. L. 2011: Actiniaria from Ria de Arosa, Galicia, northwestern Spain, in the Netherlands Centre for Biodiversity Naturalis, Leiden. 43 pp. (in English).  Zoologische Mededelingen 85(2): 11-53.

Doesburg P. H. van, Jacobs D. H., 2011: A new Themonocoris from South Africa (Hemiptera: Heteroptera: Reduviidae: Phymatinae: Themonocorini). 13 pp. (in English).  Zoologische Mededelingen 85(3): 55-67.

 Emschermann P., 2011: New species, taxonomist’s delight and faunist’s plight. On the variation range in Loxosomella vivipara Nielsen, 1966 (Entoprocta: Loxosomatidae). 9 pp. (in English).  Zoologische Mededelingen 85(4): 69-77.

Feijen H. R., 2011: The genus Teleopsis Rondani (Diptera, Diopsidae). Discussion of its taxonomic position and revision of the species occurring in the Philippines. l62 pp. (in English).  Zoologische Mededelingen 85(5): 79-140.

 Bennema F. P., Moorsel G. W. N. M. van, 2011: The status of Callianira hexagona (Slabber, 1778) (Ctenophora). 9 pp. (in English).  Zoologische Mededelingen 85(11): 825-833.

 Bergmans W., 2011: An annotated list of mammal type specimens in the collection of the former Zoological Museum of the University of Amsterdam (1890-2010). 14 pp. (in English).  Zoologische Mededelingen 80(12): 835-848.

Bruggen A. C. van, 2011: Studies on the Streptaxidae (Mollusca: Gastropoda Pulmonata) of Malawi 12. Four new species of Gulella s. l. 16 pp. (in English).  Zoologische Mededelingen 85(13): 849- 864.

 Bruggen A. C. van, 2011: Willem Vervoort (1917-2010), copepodologist, Hydrozoa specialist and museum director, an obituary. 11 pp. (in English).  Zoologische Mededelingen 85(14): 865-875.

 Horita T., Akiyama H., Kubota S., 2011: Bathocyroe longigula spec. nov., an undescribed ctenophore (Lobata: Bathocyroidae) from the epipelagic fauna of Japanese coastal waters. 10 pp. (in English).  Zoologische Mededelingen 85(15): 877-886.

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.

Yonow N., 2011: Results of the Rumphius Biohistorical Expedition to Ambon (1990). Part 15. The suborder Doridina (Mollusca, Gastropoda, Opistobranchia, Nudibranchia). 52 pp. (in English).  Zoologische Mededelingen 85(17): 905-956.

 Bruce A. J., 2012: A re-description of Periclimenaeus hebedactylus Bruce, 1970 (Crustacea: Decapoda: Palaemonidae). 14 pp.  Zoologische Mededelingen 86(2-8): 471-484.

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.

 Bruggen A. C. van, Hoeksema B. W., 2012: In memoriam Dr Jacob van der Land (1935-2011), late marine biologist at the Leiden Museum. 10 pp.  Zoologische Mededelingen 86(2-8): 505-514.

Doesburg P. H. van, Forero D., 2012: Revision of the genus Salyavata Amyot and Audinet-Serville, 1843 (Heteroptera: Reduviidae: Salyavatinae). 54 pp.  Zoologische Mededelingen 86(2-8): 515-568.

Varga O., 2012: The genus Dolichomitus Smith, 1877 (Hymenoptera: Ichneumonidae: Pimplinae) in the Ukrainian Carpathians, with description of a new species. 10 pp.  Zoologische Mededelingen 86(2-8): 569-578.

Bruggen A. C. van, 2013: An early (1850) “handwritten” shell exchange catalogue of the Leiden Museum, with notes on the collectors Rethaan Macaré and Tischbein. 27 pp.  Zoologische Mededelingen 87(2-5): 207-233.

Gittenberger E., Bruggen A. C. van, 2013: Land snails of the islet of Misali, off Pemba Island, Zanzibar, Tanzania. 39 pp.  Zoologische Mededelingen 87(2-5): 235-273.

 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.

 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.

Achterberg C. van, Vikberg V., 2014: Dinotrema brevis spec. nov. (Hymenoptera: Braconidae: Alysiinae), a new brachypterous species from Finland. 8 pp.  Zoologische Mededelingen 88(1-4): 1-8.

Achterberg C. van, 2014: Sigalphus anjae spec. nov. (Hymenoptera: Braconidae: Sigalphinae) from southern Vietnam. 9 pp.  Zoologische Mededelingen 88(1-4): 9-17.

 Ofwegen L. P. van, Hermanlimianto M. I. Y. T., 2014: Siboga plexaurids (Coelenterata: Octocorallia) re-examined. 40 pp.  Zoologische Mededelingen 88(1-4): 19-58.

 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.

 Dickinson E. C., 2005: Some bibliographic findings on Notes from the Leyden Museum. 7 pp.  Zoologische Mededelingen Leiden 79 (2): 1-7.