enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Lamprey - Wikipedia

    en.wikipedia.org/wiki/Lamprey

    Recent molecular and morphological phylogenetic studies place lampreys and hagfish in the infraphylum Agnatha or Agnathostomata (both meaning without jaws). The other vertebrate infraphylum is Gnathostomata (jawed mouths) and includes the classes Chondrichthyes (sharks), Osteichthyes (bony fishes), Amphibia , Reptilia , Aves , and Mammalia .