In biology, a subphylum is a taxonomic rank intermediate between phylum and superclass. The rank of subdivision in plants and fungi is equivalent to subphylum. Not all phyla are divided into subphyla. Those that are include: Arthropoda: divided into subphyla Trilobitomorpha, Chelicerata, Myriapoda, Hexapoda and Crustacea, Branchiopoda: divided into subphyla Linguiliformea, Craniformea and Rhychonelliformea, Chordata: divided into Urochordata, Cephalochordata and Vertebrata. 30px This biology article is a stub. You can help Wikipedia by expanding it. Retrieved from "https://paleontology.fandom.com/wiki/Subphylum?oldid=2658" Categories: Biology stubs Scientific classification Community content is available under CC-BY-SA unless otherwise noted.