Arachnomorpha artropodoen barnean dagoen klado bat da.[1][2]
- ↑ Trevor J. Cotton & Simon J. Braddy. (2003). «The phylogeny of arachnomorph arthropods and the origin of the Chelicerata» Transactions of the Royal Society of Edinburgh: Earth Sciences 94 (3): 169–193. doi:10.1017/S0263593300000596..
- ↑ Jonathan R. Hendricks & Bruce S. Lieberman. (2008). «New phylogenetic insights into the Cambrian radiation of arachnomorph arthropods» Journal of Paleontology 82 (3): 585–594. doi:10.1666/07-017.1..