Ozarkodinida

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

Ozarkodinida
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: †Conodonta
Clade: †Prioniodontida
Order: †Ozarkodinida
Dzik 1976
Families
Synonyms

Polygnathida Barskov, 1995

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
  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.


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