The Geography of Afghanistan. Major Bodies of Water: Afghanistan is a landlocked and fairly dry country. Major rivers include Kabul River, Amu Darya, Harirud River, and the Helmand River. Lakes include Lake Zarkol, Kajaki Reservoir, the five lakes of Band-e Amir, and the Sardeh Dam.
Phylum Chordata - lancelets,hagfish ,lampreys ,fishes ,sharks ,amphibians,reptiles ,birds ,mammals
Hagfish are considered members of the subphylum Vertebrata, because they secondarily lost vertebrae; before this event was inferred from molecular and developmental data, the group Craniata was created by Linnaeus (and is still sometimes used as a strictly morphological descriptor) to reference hagfish plus vertebrates.