Mees G. F., 1987: On the generic names Gonydactylus Kuhl van Hasselt, 1822, Goniodactylus Schlegel, 1826, and Gonyodactylus Wagler, 1830 (Reptilia: Sauria: Gekkonidae). 4 pp. [REP 156]  Zoologische Mededelingen 61(10): 137-140.

 Verheij E., 1987: Notes on the genus Polycyathus Duncan, 1876 and a description of three new scleractinian corals from the Indo-Pacific. 8 pp. [EVE 757]  Zoologische Mededelingen 61(12): 147-154.

Achterberg C. van, Belokobylskij S. A., 1987: Revisionary notes on the Macrocentrinae from Far East USSR (Hymenoptera: Braconidae). 20 pp. [50035]  Zoologische Mededelingen 61(17): 243-262.

 Claereboudt M., Hoeksema B. W., 1987: Fungia (Verrillofungia) spinifer spec. nov., a new scleractinian coral (Fungiidae) from the Indo-Malayan region. 7 pp. [EVE 147]  Zoologische Mededelingen 61(2): 303-

 Achterberg C. van, Sigwalt B., 1987: Three new genera of Braconidae from the Afrotropical region (Hymenoptera: Braconidae). 16 pp. [50018]  Zoologische Mededelingen 61(31): 443-458.

 Hartog J. C. den, 1987: A redescription of the sea anemone Bunodosoma biscayensis (Fischer, 1874) (Actiniaria, Actiniidae). 27 pp. [80363]  Zoologische Mededelingen 61(36): 533-559.

 Ates R. M. L., 1988: Medusivorous fishes, a review. 14 pp. [80750]  Zoologische Mededelingen 62(3): 29-42.

Achterberg C. van, 1988: Three new genera of the subfamily Agathidinae (Hymenoptera: Braconidae). 16 pp. [50020]  Zoologische Mededelingen 62(4): 43-58.

 Boekschoten G. J., Best M. B., 1988: Fossil and recent shallow water corals from the atlantic islands of western Africa. 14 pp.  Zoologische Mededelingen 62(8): 99-112.

Achterberg C. van, 1989: Revision of the subtribe Monoctonina Mackauer sensu stricto (Hymenoptera: Braconida: Aphidiinae). 22 pp. [50022]  Zoologische Mededelingen 63(1): 1-22.

 Ofwegen L. P. van, 1989: On Wrightella coccinea (Ellis & Solander, 1786) and Wrightella stiasnyi spec. nov. (Anthozoa: Gorgonacea: Melithaeidae). 8 pp.  Zoologische Mededelingen Leiden 63(3): 27-34.

Achterberg C. van, 1989: Notes on the Odontoscapus varistigma – group (Hymenoptera: Braconidae). 10 pp. [HYM 31]  Zoologische Mededelingen 63(5): 43-52.

 Mol A. W. M., 1989: Echinobaetis phagas gen. nov., spec. nov., a new mayfly from Sulawesi (Ephemeroptera: Baetidae). 12 pp. [EPH 230]  Zoologische Mededelingen 63(7): 61-72

Achterberg C. van, 1989: Four new genera of Braconinae and Rogadinae from the Oriental region (Hymenoptera: Braconidae). 17 pp. [50021]  Zoologische Mededelingen 63(8): 79-95.

 Hill J. E., Rozendaal F. G., 1989: Records of bats (Microchiroptera) from Wallacea. 26 pp.  Zoologische Mededelingen Leiden 63(9): 97-122.

 Ofwegen L. P. van, 1990: Notes on the Keroeididae (Anthozoa: Gorgonacea) collected in 1963 and 1964 by the international Indian ocean expedition of the r/v “Anton Bruun”, in the Indian ocean, with the description of a new species, Lignella hartogi. 6 pp.  Zoologische Mededelingen Leiden 63(13): 163-168.

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

 Ng P. K. L., 1990: Parathelphusa reticulata spec. nov., a new species of freshwater crab from blackwater swamps in Singapore (Crustacea: Decapoda: Brachyura: Gecarcinucoidea). 14 pp. [EVE 528]  Zoologische Mededelingen 63(18): 241-254

 Bruggen A. C. van, Pieters F. F. J. M., 1990: Notes on a drawing of Indian elephants in red crayon by Petrus Camper (1786) in the archives of the Rijksmuseum van natuurlijke historie. 12 pp.  Zoologische Mededelingen Leiden 63(19): 255-266.

Achterberg C. van, 1990: Revision of the subtribe Pseudohelconina nov. (Hymenoptera: Braconidae). 26 pp. [50025]  Zoologische Mededelingen 63(22): 283-308.

 Hendrickx M. E., 1990: A new species of Palaemonid shrimp, Chacella tricornuta spec. nov. (Crustacea: Decapoda: Palaemonidae) from the southeastern Gulf of California, Mexico. 10 pp. [EVE 307]  Zoologische Mededelingen 63(24): 325-334.

 Hoogmoed M. S., Avila-Pires T. C. S., 1990: New distribution data for Podocnemis erythrocephala (Spix) with remarks on some other turtle taxa (Reptilia: Chelonia: Pelomedusidae). 4 pp. [REP 154]  Zoologische Mededelingen 64(2): 21-24.

Achterberg C. van, Maeto K., 1990: Two new and aberrant species of Braconidae (Hymenoptera) from Japan. 12 pp. [HYM 47]  Zoologische Mededelingen 64(5): 59-70.

 Benayahu Y., 1990: Xeniidae (Cnidaria: Octocorallia) from the Red Sea, with the description of a new species. 8 pp. [EVE 69]  Zoologische Mededelingen 64(9): 113-120.

Achterberg C. van, Quicke D. L. J., 1990: Afrocampsis, a new genus belonging to the Sigalphinae (Hymenoptera: Braconidae) from the Afrotropical region. 6 pp. [HYM 51]  Zoologische Mededelingen 64(11): 155-160.

Achterberg C. van, 1990: Pronkia, a new genus of the Meteorideinae (Hymenoptera: Braconidae) from New Zealand. 7 pp. [HYM 32]  Zoologische Mededelingen 64(13): 169-175.

Achterberg C. van, Quicke D. L. J., 1990: A new genus of the tribe Pambolini from Australia (Hymenoptera: Braconidae). 5 pp. [HYM 50]  Zoologische Mededelingen 64(14): 177-181.

Achterberg C. van, Quicke D. L. J., 1991: A new genus of Braconinae with depressed ovipositor-tip from the Oriental region (Hymenoptera: Braconidae). 4 pp. [HYM 52]  Zoologische Mededelingen 64(13): 199-202.

 Hiemstra F., van Soest R. W. M., 1991: Didiscus verddensis spec. nov. (Porifera: Halichondrida) from the Cape Verde Islands, with a revision and phylogenetic classification of the genus Didiscus. 14 pp.  Zoologische Mededelingen 65(4): 39-52.

 Ofwegen L. P. van, Vennam J., 1991: Notes on Octocorallia from the Laccadives (SW India). 12 pp. [EVE 547]  Zoologische Mededelingen 65(9): 143-154.

Achterberg C. van, 1991: The taxonomic position of the genus Argamania Papp (Hymenoptera: Braconidae). 5 pp. [HYM 33]  Zoologische Mededelingen 65(14): 203-207.

 Hartog J. C. den, Türkay M., 1991: Platypodiella georgei spec. nov. (Brachyura: Xanthidae), a new crab from the islands of St. Helena, South Atlantic Ocean, with notes on the genus Platypodiella Guinot, 1967. 12 pp. [EVE 304]  Zoologische Mededelingen 65(15): 209-220.

Kormilev N. A., Doesburg P. H. van, 1991: Notes on Caribbean Phymatidae (Hemiptera: Heteroptera). 9 pp. [HEM 806]  Zoologische Mededelingen 65(21): 277-285.

Doesburg P. H. van, 1991: The type specimens of Edessa urus Erichson, 1848 (Heteroptera: Pentatomidae). 4 pp. [HEM 291]  Zoologische Mededelingen 65(23): 313-316.

 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.

 Machida M., 1991: Gaidropsarus pacificus (Temminck & Schlegel), a junior synonym of Rhinonemus cimbrius (Linnaeus) (Pisces: Gadiformes: Gadidae). 5 pp. [PSC 232]  Zoologische Mededelingen 65(25): 327-331.

 Best M. B., Suharsono , 1991: New observations on scleractinian corals from Indonesia: 3. Species belonging to the Merulinidae with new records of Merulina and Boninastrea. 10 pp. [EVE 73]  Zoologische Mededelingen 65(26): 333-342.

 Duyl F. C., 1991: Description and mapping of the coral reefs investigated during the Snellius-II Expedition in Indonesia. 30 pp.[80317]  Zoologische Mededelingen 65(28): 363-392.

 Fransen, Smeenk, 1991: Whale-lice (Amphipoda: Cyamidae) recorded from The Netherlands. 13 pp. [ARA 61]  Zoologische Mededelingen 65(29): 393-405.