Prioniodinida is an extinct order of

conodont Conodonts, are an extinct group of marine jawless vertebrates belonging to the class Conodonta (from Ancient Greek κῶνος (''kōnos''), meaning " cone", and ὀδούς (''odoús''), meaning "tooth"). They are primarily known from their hard ...

s, a jawless

vertebrate Vertebrates () are animals with a vertebral column (backbone or spine), and a cranium, or skull. The vertebral column surrounds and protects the spinal cord, while the cranium protects the brain. The vertebrates make up the subphylum Vertebra ...

Families

Families are: * †

Bactrognathidae Bactrognathidae is an extinct family of conodonts in the order Prioniodinida. Genera are ''Bactrognathus'', ''Doliognathus'', and ''Staurognathus''. References External links Bactrognathidae
at fossilworks.org (retrieved 22 April 2016 ...

* † Chirognathidae * †

Ellisoniidae Ellisoniidae is an extinct family of conodonts, a kind of primitive chordate. Genera Genera are: * †'' Ellisonia'' * †'' Foliella'' * †'' Hadrodontina'' * †'' Parapachycladina'' * †'' Parafurnishius'' * †'' Stepanovites'' Reference ...

* †

Gondolellidae Gondolellidae is an extinct family of conodonts in the order Ozarkodinida Ozarkodinida is an extinct conodont order. It is part of the clade Prioniodontida, also known as the "complex conodonts". Name Ozarkodinida is named after the Ozark ...

* † Prioniodinidae

References

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

External links

*
Prioniodinida at biolib.cz
(retrieved 22 April 2016)
Prioniodinida
at

fossilworks Fossilworks was a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cr ...

.org (retrieved 22 April 2016)

† A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species or languages). It is one of the mo ...

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