Controversies Surrounding Segments and Parasegments in Onychophora: Insights from the Expression Patterns of Four “Segment Polarity Genes” in the Peripatopsid Euperipatoides rowelli

Onychophoran Hox genes and the evolution of arthropod Hox gene expression

(2014) Ralf Janssen et al.   Frontiers in Zoology

Slime protein profiling: a non-invasive tool for species identification in Onychophora (velvet worms)

(2014) Alexander Baer et al.   JOURNAL OF ZOOLOGICAL SYSTEMATICS AND EVOLUTIONARY RESEARCH

Neuronal tracing of oral nerves in a velvet worm—Implications for the evolution of the ecdysozoan brain

(2014) Christine Martin et al.   Frontiers in Neuroanatomy

What can vertebrates tell us about segmentation?

(2014) Anthony Graham et al.   EvoDevo

Analysis of the Wnt gene repertoire in an onychophoran provides new insights into the evolution of segmentation

(2014) Mattias Hogvall et al.   EvoDevo

Selective neuronal staining in tardigrades and onychophorans provides insights into the evolution of segmental ganglia in panarthropods

(2013) Georg Mayer et al.   BMC EVOLUTIONARY BIOLOGY

Deciphering the onychophoran ‘segmentation gene cascade’: Gene expression reveals limited involvement of pair rule gene orthologs in segmentation, but a highly conserved segment polarity gene network

(2013) Ralf Janssen et al.   DEVELOPMENTAL BIOLOGY

The role of ventral and preventral organs as attachment sites for segmental limb muscles in Onychophora

(2013) Ivo de Sena Oliveira et al.   Frontiers in Zoology

Expression of the decapentaplegic ortholog in embryos of the onychophoran Euperipatoides rowelli

(2013) Sandra Treffkorn et al.   GENE EXPRESSION PATTERNS

Genome size and chromosome number in velvet worms (Onychophora)

(2013) Nicholas W. Jeffery et al.   GENETICA

Apodemes associated with limbs support serial homology of claws and jaws in onychophora (velvet worms)

(2013) Ivo de Sena Oliveira et al.   JOURNAL OF MORPHOLOGY

Neural Markers Reveal a One-Segmented Head in Tardigrades (Water Bears)

(2013) Georg Mayer et al.   PLoS One

The Genome of the Ctenophore Mnemiopsis leidyi and Its Implications for Cell Type Evolution

(2013) J. F. Ryan et al.   SCIENCE

A new species of Eoperipatus (Onychophora) from Vietnam reveals novel morphological characters for the South-East Asian Peripatidae

(2013) Ivo de Sena Oliveira et al.   ZOOLOGISCHER ANZEIGER

What is a segment?

(2013) Roberta L Hannibal et al.   EvoDevo

Comparative anatomy of slime glands in onychophora (velvet worms)

(2012) Alexander Baer et al.   JOURNAL OF MORPHOLOGY

Opsins in Onychophora (Velvet Worms) Suggest a Single Origin and Subsequent Diversification of Visual Pigments in Arthropods

(2012) Lars Hering et al.   MOLECULAR BIOLOGY AND EVOLUTION

Unexplored Character Diversity in Onychophora (Velvet Worms): A Comparative Study of Three Peripatid Species

(2012) Ivo de Sena Oliveira et al.   PLoS One

Cambrian lobopodians and extant onychophorans provide new insights into early cephalization in Panarthropoda

(2012) Qiang Ou et al.   Nature Communications

Expression of the pair-rule gene homologs runt, Pax3/7, even-skipped-1 and even-skipped-2 during larval and juvenile development of the polychaete annelid Capitella teleta does not support a role in segmentation

(2012) Elaine C Seaver et al.   EvoDevo

Reevaluating the Arthropod Tree of Life

(2011) Gonzalo Giribet et al.   Annual Review of Entomology

The origins of the arthropod nervous system: Insights from the Onychophora

(2011) Paul M. Whitington et al.   ARTHROPOD STRUCTURE & DEVELOPMENT

ProtTest 3: fast selection of best-fit models of protein evolution

(2011) Diego Darriba et al.   BIOINFORMATICS

Conservation, loss, and redeployment of Wnt ligands in protostomes: implications for understanding the evolution of segment formation

(2011) Ralf Janssen et al.   BMC EVOLUTIONARY BIOLOGY

Velvet worms

(2011) Mark Blaxter et al.   CURRENT BIOLOGY

Interactive Tree Of Life v2: online annotation and display of phylogenetic trees made easy

(2011) I. Letunic et al.   NUCLEIC ACIDS RESEARCH

Travelling and splitting of a wave of hedgehog expression involved in spider-head segmentation

(2011) Masaki Kanayama et al.   Nature Communications

Growth patterns in Onychophora (velvet worms): lack of a localised posterior proliferation zone

(2010) Georg Mayer et al.   BMC EVOLUTIONARY BIOLOGY

A revision of brain composition in Onychophora (velvet worms) suggests that the tritocerebrum evolved in arthropods

(2010) Georg Mayer et al.   BMC EVOLUTIONARY BIOLOGY

Head patterning and Hox gene expression in an onychophoran and its implications for the arthropod head problem

(2010) Bo Joakim Eriksson et al.   DEVELOPMENT GENES AND EVOLUTION

Hedgehog Signaling Regulates Segment Formation in the Annelid Platynereis

(2010) N. Dray et al.   SCIENCE

Genomic insights into Wnt signaling in an early diverging metazoan, the ctenophore Mnemiopsis leidyi

(2010) Kevin Pang et al.   EvoDevo

The involvement of engrailed and wingless during segmentation in the onychophoran Euperipatoides kanangrensis (Peripatopsidae: Onychophora) (Reid 1996)

(2009) Bo Joakim Eriksson et al.   DEVELOPMENT GENES AND EVOLUTION

Neural development in Onychophora (velvet worms) suggests a step-wise evolution of segmentation in the nervous system of Panarthropoda

(2009) Georg Mayer et al.   DEVELOPMENTAL BIOLOGY

Support for vicariant origins of the New Zealand Onychophora

(2009) Julia Allwood et al.   JOURNAL OF BIOGEOGRAPHY

Velvet worm development links myriapods with chelicerates

(2009) G. Mayer et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Position and development of oocytes in velvet worms shed light on the evolution of the ovary in Onychophora and Arthropoda

(2009) GEORG MAYER et al.   ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY

Hedgehog signaling pathway function conserved in Tribolium segmentation

(2008) Laila Farzana et al.   DEVELOPMENT GENES AND EVOLUTION

Evidence for Wg-independent tergite boundary formation in the millipede Glomeris marginata

(2008) Ralf Janssen et al.   DEVELOPMENT GENES AND EVOLUTION

Complementary striped expression patterns of NK homeobox genes during segment formation in the annelid Platynereis

(2008) Alexandra Saudemont et al.   DEVELOPMENTAL BIOLOGY

Parasegmental appendage allocation in annelids and arthropods and the homology of parapodia and arthropodia

(2008) Nikola-Michael Prpic   Frontiers in Zoology

Distribution of serotonin in the trunk ofMetaperipatus blainvillei (Onychophora, Peripatopsidae): Implications for the evolution of the nervous system in Arhropoda

(2008) Georg Mayer et al.   JOURNAL OF COMPARATIVE NEUROLOGY