Book chapters

Harzsch S, Perez Y, Müller CHG: Chaetognatha. Structure and Evolution of Invertebrate Nervous Systems, Edited by Andreas Schmidt-Rhaesa, Steffen Harzsch, Günther Purschke, 01/2016: chapter Chaetognatha: pages 652-664; Oxford University Press., ISBN: 0199682208, 9780199682201

Harzsch S, Müller CHG, Perez Y: Chaetognatha. Evolutionary Developmental Biology of Invertebrates 1. Introduction, Non-Bilateria, Acoelomorpha, Xenoturbellida, Chaetognatha, Edited by Andreas Wanninger, 08/2015: chapter Chaetognatha: pages 215-240; Springer Vienna., ISBN: 978-3-7091-1861-0, DOI:10.1007/978-3-7091-1862-7_10

Perez Y, Müller CHG, Harzsch S: The Chaetognatha : An anarchistic taxon between Protostomia and Deuterostomia. Metazoan Phylogeny: The Backbone of the Tree of Life New insights from analyses of molecules, morphology, and theory of data analysis, 1 edited by Wägele J. Wolfgang, Bartolomaeus Thomas, 01/2014: chapter The Chaetognatha : An anarchistic taxon between Protostomia and Deuterostomia: pages 49-77; DE GRUYTER., ISBN: 9783110277524, DOI:10.1515/9783110277524