Ozarkodinida

Ozarkodinida
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Clade:	†Prioniodontida
Order:	†Ozarkodinida; Dzik 1976
Families
	Anchignathodontidae Clark, 1972; Cavusgnathidae Austin & Rhodes, 1981; Cryptotaxidae Klapper & Philip, 1971; Elictognathidae Austin & Rhodes, 1981; Gnathodontidae Sweet, 1988; Idiognathodontidae Harris & Hollingsworth, 1933; Kockelellidae Klapper, 1981; Mestognathidae Austin & Rhodes, 1981; Palmatolepidae Sweet, 1988; Polygnathidae Bassler, 1925; Pterospathodontidae Cooper, 1977; Spathognathodontidae Hass, 1959; Sweetognathidae Ritter, 1986;
Synonyms
	Polygnathida Barskov, 1995

Ozarkodinida is an extinct conodont order.[1][2] It is part of the clade Prioniodontida, also known as the "complex conodonts".

Name

Ozarkodinida is named after the Ozark Mountains of Missouri, United States.

Elements

The feeding apparatus of ozarkodinids is composed at the front of an axial Sa element, flanked by two groups of four close-set elongate Sb and Sc elements which were inclined obliquely inwards and forwards. Above these elements lay a pair of arched and inward pointing (makellate) M elements. Behind the S-M array lay transversely oriented and bilaterally opposed (pectiniform, i.e. comb-shaped) Pb and Pa elements.[3]

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References

Dzik, J (1976). "Remarks on the evolution of Ordovician conodonts" (PDF). Acta Palaeontologica Polonica. 21 (4): 395–458. Retrieved 30 April 2016.
Dzik, J (1991). "Evolution of the oral apparatuses in the conodont chordates" (PDF). Acta Palaeontologica Polonica. 36 (3): 265–332. Retrieved 30 April 2016.
Purnell, M. A.; Donoghue, P. C. (1997). "Architecture and functional morphology of the skeletal apparatus of ozarkodinid conodonts". Philosophical Transactions of the Royal Society B: Biological Sciences. 352 (1361): 1545–1564. doi:10.1098/rstb.1997.0141. PMC 1692076.

External links

Data related to Ozarkodinida at Wikispecies
"Ozarkodinida" at the Encyclopedia of Life

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[1] Dzik, J (1976). "Remarks on the evolution of Ordovician conodonts" (PDF). Acta Palaeontologica Polonica. 21 (4): 395–458. Retrieved 30 April 2016.

[2] Dzik, J (1991). "Evolution of the oral apparatuses in the conodont chordates" (PDF). Acta Palaeontologica Polonica. 36 (3): 265–332. Retrieved 30 April 2016.

[3] Purnell, M. A.; Donoghue, P. C. (1997). "Architecture and functional morphology of the skeletal apparatus of ozarkodinid conodonts". Philosophical Transactions of the Royal Society B: Biological Sciences. 352 (1361): 1545–1564. doi:10.1098/rstb.1997.0141. PMC 1692076.