Garwood R. J., Dunlop J. A., Knecht B. J., Hegna T. A. (2017) The phylogeny of fossil whip spiders.
Haug C. (2020) The evolution of feeding within Euchelicerata: data from the fossil groups Eurypterida and Trigonotarbida illustrate possible evolutionary pathways.
Haug J. T., Waloszek D., Maas A., Liu Y., Haug C. (2012) Functional morphology, ontogeny and evolution of mantis shrimp-like predators in the Cambrian.
Haug J. T., Caron J.-B., Haug C. (2013) Demecology in the Cambrian: synchronized molting in arthropods from the Burgess Shale.
Hirst S. (1923) XLVI. On some arachnid remains from the Old Red Sandstone (Rhynie Chert Bed, Aberdeenshire).
Howard R. J.
Kamenz C., Dunlop J. A., Scholtz G., Kerp H., Hass H. (2008) Microanatomy of Early Devonian book lungs.
Kamenz C., Staude A., Dunlop J. A. (2011) Sperm carries in Silurian sea scorpions.
Kühl G.