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Weygoldt, P. (1998b). Mating and spermatophore morphology in whip spiders (Phrynichodamon scullyi [Purcell, 1901], Damon gracilis nov. spec., Damon variegatus [Perty, 1834] and Euphrynichus bacillifer [Gerstaecker, 1873]) (Arachnida: Amblypygi: Phrynichidae). Zoologischer Anzeiger 236: 259–276. -- Show included taxa
Weygoldt, P. (1998c). Revision of the species of Phrynichus Karsch, 1879 and Euphrynichus Weygoldt, 1995 (Chelicerata, Amblypygi). Zoologica, Stuttgart 147: 1–65. -- Show included taxa
Weygoldt, P. (1998d). The identity of Oligacanthophrynus guianensis di Caporiacco, 1947 (Arachnida: Amblypygi: Charinidae). Bulletin of the British Arachnological Society 11: 72. -- Show included taxa
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Withers, P.C. & Edward, D.H. (1998). Terrestrial fauna of granite outcrops in Western Australia. Journal of the Royal Society of Western Australia 80: 159–166. -- Show included taxa
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Zhang, Z.-Q. (1998). Biology and ecology of trombidiid mites (Acari: Trombidioidea). Experimental and Applied Acarology 22: 139–155. -- Show included taxa
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Aoki, S., Kurosu, U., Shin, K.Y. & Choe, J.C. (1999). A new soldier-producing species of Ceratovacuna (Homoptera: Aphididae, Hormaphidinae) on Sasa spp. from Japan and Korea. Entomological Science 2: 511–516. -- Show included taxa
Armas, L.F. de (1999a). Notas sobre la fauna de invertebrados de tres cuevas de República Dominicana. Troglobio 3: 3–5. -- Show included taxa
Armas, L.F. de (1999b). Ampliación del área de distribución de algunos Phrynus (Amblypygi: Phrynidae) y Centruroides (Scorpiones: Buthidae) de América Central y las Antillas. Cocuyo 3: 29–30. -- Show included taxa
Armas, L.F. de & Maes, J.-M. (1999). Uropygi, un orden de Arachnida (Chelicerata) nuevo para Nicaragua. Revista Nicaraguense de Entomologia 50: 13–15. -- Show included taxa
Austin, R. (1999). Entomology section report for 1998. Societe Guernesiaise Report and Transactions 24: 371–384. -- Show included taxa
Ax, P. (1999). Das System der Metazoa. Ein Lehrbuch der phylogenetischen Systematik. Gustav Fischer Verlag, Stuttgart, Jena, New York II. -- Show included taxa
Barba D., R.A. (1999). Revisión sistemática de las familias Ideoroncidae y Bochicidae (Arachnida, Pseudoscorpiones) en Cuba. Universidad de La Habana. [Trabajo de Diploma] -- Show included taxa
Bell, J.R., Gates, S., Haughton, A.J., Macdonald, D.W., Smith, H., Wheater, C.P. & Cullen, W.R. (1999). Pseudoscorpions in field margins: effects of margin age, management and boundary habitats. Journal of Arachnology 27: 236–240. -- Show included taxa
Bell, J.R., Haughton, A.J. & Boatman, N.D. (1999). Population structure of the pseudoscorpion Chthonius ischnocheles (Hermann, 1804) in field margins and the effects of the herbicide glyphosphate. Newsletter of the British Arachnological Society 86: 6–7. -- Show included taxa
Bhattacharyya, S. (1999). New records of arthropods associated with the bird's nests in India. Environment and Ecology 17: 685–692. -- Show included taxa
Blackman, S. (1999). Fast and fearless. Solifugids, the wind spiders that put the wind up everything they meet. BBC Wildlife 17(11): 5. -- Show included taxa
Bowler, J., Bullock, I., Cadbury, J., Gerlach, J. & Hunter, J. (1999). The ecology and conservation of the Aride island, Seychelles. Phelsuma 7: 37–55. -- Show included taxa
Chen, B. & Wise, D.H. (1999). Bottom-up limitation of predaceous arthropods in a detritus-based terrestrial food web. Ecology 80: 761–772. -- Show included taxa
Crossley, D.A. Jr & Coleman, D.C. (1999). Microarthropods. In: Sumner, M.E. (ed.) Handbook of Soil Science CRC Press, Boca Raton: C59–C65. -- Show included taxa