Prioniodinida

Prioniodinida is an extinct order of , a Agnatha vertebrate.

• †Bactrognathidae
• †Chirognathidae
• †Ellisoniidae
• †Gondolellidae
• †Prioniodinidae

• Sweet, W. C; P. C.J Donoghue (2001). "Conodonts: past, present, future". Journal of Paleontology 75 (6): 1174.

• Prioniodinida at biolib.cz (retrieved 22 April 2016)
• Prioniodinida at fossilworks.org (retrieved 22 April 2016)