Peer-reviewed Publications (pdfs available via email request)

[71] Michalik, P., Piorkowski, D., Blackledge, T.A., Ramirez, M.J., (in review). Behavioral modification during spinning mediates functional trade-offs in spider silk.
[70] Michalik, P., Kallal, R., Dederichs, T.M., Labarque, F., Hormiga, G., Giribet, G., Ramirez, M.J., (in revision). Phylogenomics and genital morphology of cave raptor spiders (Araneae, Trogloraptoridae) reveal an independent acquisition of a flow-through female genital system.
[69] Ramirez, M.J., Michalik, P. (in review). Web-building behavior of the odd-clawed spider Progradungula otwayensis (Gradungulidae) and its implication on the evolution of combing behavior in spiders.
[68] Lohrmann, V., Ohl, M., Michalik, P., Pitts, J.P., Jeanneau, L., Perrichot, V. (2019).Notes on rhopalosomatid wasps of Dominican and Mexican amber (Hymenoptera: Rhopalosomatidae) with a description of the first fossil species of Rhopalosoma Cresson, 1865. Fossil Record.
[67] Jueg, U., Michalik, P. (2018). Lost and found – Fritz Müller´s type material of Glossiphonia verrucata (Fr. Müller, 1844) (Hirudinida, Glossiphoniidae) with notes on the leech fauna of lake Tegel in Berlin (Germany). Evolutionary Systematics 2:163-168.
[66] Müller, C.H.G., Kenning, M., Hylleberg, J., Michalik, P. (2018). Histological and electron microscopic analysis of the papillated epidermal organs of an unknown species of Phascolion (Sipuncula) from Ibiza (Spain). Smithsonian Contributions to the Marine Sciences 42: 193-218.
[65] Mammola, S., Michalik, P., Hebets, E.A., Isaia, M. (2017). Record breaking achievements by spiders and the scientists who study them. Peer J 5: e3972.
[64] Gainett, G., Michalik, P., Müller, C.H.G., Giribet, G., Talarico, G., Willemart, R.H. (2017). Putative thermo-/hygroreceptive tarsal sensilla on the sensory legs of an armored harvestman (Arachnida, Opinions). Zoologischer Anzeiger 270: 81-97.
[63] Michalik, P., Wunderlich, J. (2017). The spider genus Austrochilus Gertsch & Zapfe, 1955 (Araneae: Austrochilidae) – a new species from Chile and a documentation of the male genitalia of austrochilines. Zootaxa 4312: 323-332.
[62] Stafstrom, J.A., Michalik, P., Hebets, E.A. (2017). Sensory system plasticity in a visually specialized, nocturnal predator. Scientific Reports 7: 46627.
[61] Magalhaes, I.L.F., Ravelo, A.M., Peretti, A.V., Michalik, P., Ramirez, M.J. (2017). Recluse spiders produce flattened silk rapidly using a highly modified, self-sufficient spinning apparatus. Journal of Zoology 303: 27-35.
[60] Larbarque, F.M., Wolff, J O.., Michalik, P., Griswold, C., Ramirez, M.J. (2017). The evolution and function of spider feet (Araneae, Arachnida): Multiple acquisitions of distal articulations. Zoological Journal of the Linnean Society 181: 308-341.
[59] Schmidt, J., Michalik, P. (2017). The ground beetle genus Bembidion Latreille in Baltic amber: Review of preserved specimen and first 3D reconstruction of endophallic structures using X-ray microscopy (Coleoptera: Carabidae: Bembidiini). ZooKeys 662: 101-126.
[58] Gainett, G., Michalik, P., Müller, C.H.G., Giribet, G., Talarico, G., Willemart, R.H. (2017). Not so touchy after all: ultrastructure of chemoreceptive tarsal sensilla in an armored harvestman (Arachnida: Opiliones: Gonyleptidae) and evidence of olfaction in 17 families of Laniatores. Arthropod Structure & Development 46: 178-195.
[57] Preik, O., Schneider, J.M., Uhl, G., Michalik, P. (2016). Transition from monogyny to polygyny in Nephila senegalensis (Araneae: Nephilidae) is not accompanied by increased investment in sperm. Biological Journal of the Linnean Society 119: 1027-1035.
[56] Holst, S., Michalik, P., Noske, M., Krieger, J., Sötje, I. (2016). Potential of X-ray micro-computed tomography for soft-bodied and gelatinous cnidarians with special emphasis on scyphozoan and cubozoan statoliths. Journal of Plankton Research 38: 1225-1242.
[55] Sartori, M., Kubiak, M., Michalik, P. (2016). Deciphering genital anatomy of rare, delicate and precious specimens: first study of two type specimens of mayflies using micro-computed X-ray tomography (Ephemeroptera; Heptageniidae). Zoosymposia 11: 28-32.
[54] Schmidt, J., Belousov, I., Michalik, P. (2016). X-Ray microscopy reveals endophallic structures in a new species of the ground beetle genus Trechus Clairville, 1806 from Baltic amber (Coleoptera: Carabidae: Trechini). ZooKeys 614: 113-127.
[53] Hoffmann, H., Michalik, P., Görn, S., Fischer, K. (2016). Effects of fen management on staphylinid beetle (Coleoptera: Staphylinidae) assemblages in north-eastern Germany. Journal of Insect Conservation 20: 129-139.
[52] Schmidt, J., Hoffmann, H., Michalik, P. (2016). Blind life in the Baltic amber forests: description of an eyeless species of the ground beetle genus Trechus Clairville, 1806 (Coleoptera: Carabidae: Trechini). Zootaxa 4083: 431-443.
[51] Huckstorf, K., Michalik, P., Ramirez, M.J., Wirkner, C.S. (2015). Evolutionary morphology of the hemolymph vascular system of basal araneomorph spiders (Araneae: Araneomorphae). Arthropod Structure & Development 44(6): 609-621.
[50] Lipke, E., Hammel, J., Michalik, P. (2015). First evidence of neurons in the male copulatory organ of a spider (Arachnida, Araneae). Biology Letters 11: 20150465.
[49] Lipke, E., Michalik, P. (2015). Evolutionary morphology of the male reproductive system and spermatozoa of goblin spiders (Oonopidae, Araneae). Bulletin of the American Museum of Natural History 906: 1-72.
[48] Krejčí, T., Řezáč , M., Michalik, P. (2015). Female genital morphology and sperm storage in the velvet spider Eresus kollari (Araneae: Eresidae). Journal of Arachnology 43: 182-187.
[47] Sentenská, L., Pekár, S., Lipke, E., Michalik, P., Uhl, G. (2015). Female control of mate plugging in a female-cannibalistic spider (Micaria sociabilis). BMC Evolutionary Biology 15: 18.
[46] Sombke, A., Lipke, E., Michalik, P., Uhl, G., Harzsch, S. (2015). Potential and limitations of X-ray micro-computed tomography in arthropod neuroanatomy – a methodological and comparative survey. Journal of Comparative Neurology 523(8): 1281-1295.
[45] Goldberg, J., Bresseel, J., Constant, J., Kneubühler, B., Leubner, F., Michalik, P., Bradler, S. (2015). Extreme convergence in egg-laying strategy across insect orders. Scientific Reports 5: 7825.
[44] Müller, C.H.G., Hylleberg, J., Michalik, P. (2015). Complex epidermal organs of Phascolion (Sipuncula): insights into the evolution of bimodal secretory cells in annelids. Acta Zoologica 96: 343-374.
[43] Ruch, J., Riehl, T., Michalik, P. (2014). Known but unknown: the subsocial behaviour of Xysticus bimaculatus Koch, 1867 (Thomisidae, Araneae) with a re-description of the species. ZooKeys 427: 1-19.
[42] Lipke, E., Ramirez, M. J., Michalik, P. (2014). Ultrastructure of spermatozoa of Orsolobidae (Haplogynae, Araneae) with implications on the evolution of sperm transfer forms in Dysderoidea. Journal of Morphology 275: 1238-1257.
[41] Michalik, P., Ramirez, M. J. (2014). Evolutionary morphology of the male reproductive system, spermatozoa and seminal fluid of spiders (Araneae, Arachnida) – current knowledge and future directions. Arthropod Structure & Development 43: 291-322.
[40] Ramirez, M. J., Michalik, P. (2014). Calculating structural complexity in phylogenies using ancestral ontologies. Cladistics 30: 635-649.
[39] Lipke, E., Hörnschemeyer, T., Pakzad, A., Booth, C.R., Michalik, P. (2014). Serial Block-Face imaging and its potentials for reconstructing diminutive cell systems – a case study from arthropods. Microscopy and Microanalysis 20: 946-955.
[38] Michalik, P., Ramirez, M. J., Wirkner, C.S., Lipke, E. (2014). Morphological evidence for limited sperm production in the enigmatic Tasmanian cave spider Hickmania troglodytes (Austrochilidae, Araneae). Invertebrate Biology 133: 180-187.
[37] Kunz, K., Michalik, P., Uhl, G. (2013). Cephalic secretion release in the male dwarf spider Oedothorax retusus (Linyphiidae: Erigoninae): an ultrastructural analysis. Arthropod Structure and Development 42: 477-482.
[36] Ibler, B., Michalik, P., Fischer, K. (2013). Factors affecting lifespan in bird-eating spiders (Arachnida: Mygalomorphae, Theraphosidae) - a multi-species approach. Zoologischer Anzeiger - A Journal of Comparative Zoology 253 (2): 126-136.
[35] Michalik, P., Ramirez, M. J. (2013). First description of the male of Thaida chepu Platnick, 1987 (Araneae, Austrochilidae) with micro-computed tomography of the palpal organ. ZooKeys 352:117-125.
[34] Lopardo, L., Michalik, P. (2013). First description of a mysmenid spider species from mainland Australia and new data for Mysmena tasmaniae Hickman 1979 (Araneae, Mysmenidae). Memoirs of the Queensland Museum / Nature 58: 381-396.
[33] Michalik, P., Piacentini, L., Lipke, E., Ramirez, M. J. (2013). The enigmatic Otway odd-clawed spider (Progradungula otwayensis Milledge, 1997, Gradungulidae, Araneae): Natural history, first description of the female and micro-computed tomography of the male palpal organ. ZooKeys 335: 101-112.
[32] Vöcking, O., Uhl, G., Michalik, P. (2013). Sperm dynamics in spiders (Araneae): Ultrastructural analysis of the sperm activation process in the common garden spider Argiope bruennichi. PLoS ONE 8(9): e72660.
[31] Modanu, M., Michalik, P., Andrade, M.C.B. (2013). Mating system does not predict permanent sperm depletion in Latrodectus spiders. Evolution & Development 15(3): 217-224.
[30] Michalik, P., Aisenberg, A., Postiglioni, R., Lipke, E. (2013). Spermatozoa and spermiogenesis of the wolf spider Schizocosa malitiosa (Lycosidae, Araneae) and its functional and phylogenetic implications. Zoomorphology 132: 11-21.
[29] Lipke, E., Michalik, P. (2012). Primary sperm conjugation and its formation in a haplogyne spider (Caponiidae, Araneae) with remarks on the evolution of sperm conjugation within spiders. Arthropod Structure and Development 41: 561-573.
[28] Schneider, J.M., Michalik, P. (2011). One-shot genitalia are not an evolutionary dead end - Regained male polygamy in a sperm limited spider species. BMC Evolutionary Biology 11:197.
[27] Herberstein, M., Schneider, J.M., Uhl, G., Michalik, P. (2011). Sperm dynamics in spiders. Behavioural Ecology 22(4): 692-695 (invited contribution).
[26] Michalik, P., Uhl, G. (2011). Cephalic modifications in dimorphic dwarf spiders of the genus Oedothorax (Erigoninae, Linyphiidae, Araneae) and their evolutionary implications. Journal of Morphology 272: 814-832.
[25] Michalik, P., Rittschof, C.C. (2011). A comparative analysis of the morphology and evolution of permanent sperm depletion in spiders. PLoS ONE 6(1): e16014.
[24] Foelix, F., Erb, B., Michalik, P. (2010). Scopulate hairs in Liphistius: possible chemoreceptors. Journal of Arachnology 38, 599-603.
[23] Talarico, G., Michalik, P. (2010). Spermatozoa of an Old World Ricinulei (Ricinoides karschii, Ricinoidae) with notes about the relationships of Ricinulei within the Arachnida. Tissue & Cell 42(6), 383-390.
[22] Michalik, P., Hormiga, G. (2010). Ultrastructure of the spermatozoa in the spider genus Pimoa - new evidence for the monophyly of Pimoidae plus Linyphiidae (Arachnida: Araneae). American Museum Novitates 3682, 1-17.
[21] Michalik, P., Knoflach, B., Thaler, K., Alberti, G. (2010). Live for the moment - adaptations in the male genital system of a sexually cannibalistic spider (Theridiidae, Araneae). Tissue & Cell 42(1), 32-36.
[20] Michalik, P., Mercati, D. (2010). First investigation of the spermatozoa of a species of the superfamily Scorpionoidea (Opistophthalmus penrithorum, Scorpionidae) with a revision of the evolutionary and phylogenetic implications of sperm structures in scorpions (Chelicerata, Scorpiones). Journal of Zoological Systematics and Evolutionary Research 48(2), 89-101.
[19] Burger, M., Michalik, P. (2010). The male genital system of goblin spiders - New evidence for a monophyly of Oonopidae (Arachnida, Araneae). American Museum Novitates 3675, 1-13.
[18] Michalik, P. (2009). The male genital system of spiders (Araneae) with notes on the fine structure of seminal secretions. Contributions to Natural History 12, 959-972.
[17] Toyoshima, S., Michalik, P., Talarico, G., Klann, A.E., Alberti, G. (2009). Effects of starvation on reproduction of the predacious mite Neoseiulus californicus (Acari: Phytoseiidae). Experimental & Applied Acarology 47(3), 235-247.
[16] Vignoli, V., Klann, A.E., Michalik, P. (2008). Spermatozoa and sperm packages of the European troglophylous scorpion Belisarius xambeui Simon, 1879 (Troglotayosicidae, Scorpiones). Tissue & Cell 40(6), 411-416.
[15] Talarico, G., García Fernández, L.F., Michalik, P. (2008). The male genital system of the New World Ricinulei (Arachnida) – ultrastructure of spermatozoa and spermiogenesis with special emphasis on its phylogenetic implications. Arthropod Structure & Development 37, 396-409.
[14]|Michalik, P. (2007). Spermatozoa and spermiogenesis of Liphistius cf. phuketensis (Mesothelae, Araneae, Arachnida) with notes on phylogenetic implications. Arthropod Structure & Development 36, 327-335.
[13]|Burger, M., Graber, W., Michalik, P., Kropf, C., (2006). Silhouettella loricatula (Arachnida, Araneae, Oonopidae): a haplogyne spider with complex female genitalia. Journal of Morphology 267, 663-677.
[12]|Michalik, P., Huber, B.A., (2006). Spermiogenesis in Psilochorus simoni (Pholcidae, Araneae): evidence for considerable within-family variation in sperm structure and development. Zoology 109, 14-25.
[11]|Burger, M., Michalik, P., Graber, W., Jacob, A., Nentwig, W., Kropf, C., (2006). The complex genital system of a haplogyne spider (Arachnida, Araneae, Tetrablemmidae) indicates internal fertilization and full female control over transferred sperm. Journal of Morphology 267, 166-186.
[10]|Michalik, P., Sacher, P., Alberti, G., (2006). Ultrastructural observations of spermatozoa of some tetragnathid spiders and their phylogenetic implications (Araneae, Tetragnathidae). Journal of Morphology 267, 129-151.
[9]|Michalik, P., Dallai, R., Giusti, F., Mercati, D., Alberti, G., (2005). Spermatozoa and spermiogenesis of Holocnemus pluchei (Scopoli, 1763) (Pholcidae, Araneae). Tissue & Cell 37, 489-497.
[8]|Michalik, P., Alberti, G., (2005). On the occurence of the 9+0 axonemal pattern in the spermatozoa of sheetweb spiders (Linyphiidae, Araneae). Journal of Arachnology 33, 569-572.
[7]|Michalik, P., Knoflach, B., Thaler, K., Alberti, G., (2005). The spermatozoa of the one-palped spider Tidarren argo (Araneae, Theridiidae). Journal of Arachnology 33, 562-568.
[6]|Michalik, P., Uhl, G., (2005). The male genital system of the cellar spider Pholcus phalangioides (Fuesslin, 1775) (Pholcidae, Araneae): development of spermatozoa and seminal secretion. Frontiers in Zoology 2, 12.
[5]|Michalik, P., Reiher, W., Suhm-Tintelnot, M., Coyle, F.A., Alberti, G., (2005). The female genital system of the folding-trapdoor spider Antrodiaetus unicolor (Hentz, 1842) (Antrodiaetidae, Araneae) - an ultrastructural study of form and function with notes on reproductive biology of spiders. Journal of Morphology 263, 284-309.
[4]|Michalik, P., Dallai, R., Giusti, F., Alberti, G. (2004). The peculiar synspermia of some Dysderidae (Araneae). Tissue & Cell 36, 447-460.
[3]|Michalik, P., Haupt, J., Alberti, G. (2004). On the occurrence of coenospermia in mesothelid spiders (Araneae: Heptathelidae). Arthropod Structure & Development 33, 173-181.
[2]|Alberti, G., Seniczak, A., Michalik, P., Seniczak, S., (2004). Fine structural aspects of the gnathosoma of Archegozetes longisetosus Aoki, 1965 (Oribatida: Trhypochthoniidae). Soil Organisms 76, 5-15 (german, english abstract).
[1]|Michalik, P., Gray, M.R., Alberti, G. (2003). Ultrastructural observations of spermatozoa and spermiogenesis in Wandella orana Gray, 1994 (Araneae: Filistatidae) with notes on their phylogenetic implications. Tissue & Cell 35, 325-337.