Pipiscius
dra.JPG
Spesies agnatha yang Telah punah. Berasal dari zaman Karbon.

Bacaan lanjut

  1. New agnathous fishes from the Pennsylvanian of Illinois / David Bardack — and Eugene S. Richardson, Jr. —

Publication Info: Chicago :Field Museum of Natural History,1977.
Contributed By: University of Illinois Urbana Champaign
Rise of the Dragon
Oleh Henry Gee
The Biology of Hagfishes
Oleh Jørgen Mørup Jørgensen

Sumber gambar
http://books.google.co.id/books?id=6WYZQwmyWy0C&pg=PA27&lpg=PA27&dq=Pipiscius&source=bl&ots=X_f6xwhtj-&sig=-3TtxSmWN6Nkl_Ly5r5xhE4tyo4&hl=id&ei=BuWUSaLqNdK6kAWNo_mdCw&sa=X&oi=book_result&resnum=4&ct=result

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