Ozarkodinida

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Ozarkodinida
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: †Conodonta
Clade: †Prioniodontida
Order: †Ozarkodinida
Dzik 1976
Families
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]

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. PMC 1692076
    .

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