Conodonta - Coleodontidae

Synonym: Youngquistina mitteni Miller 1969

Full reference: J. S. Cullison. 1938. Dutchtown fauna of southeastern Missouri. Journal of Paleontology 12(3):219-228

Belongs to Archeognathus according to H. P. Liu et al. 2017

See also Cullison 1938 and Miller 1969

Sister taxon: Archeognathus carinatus

Type specimens:

• Archeognathus primus: Missouris School of Mines and Metallurgy No. 7119. Its type locality is MSM 101.1. Diversion Channel 0.8 km west of Ancell (Scott City), which is in a Cassinian carbonate limestone in the Dutchtown Formation of Missouri.
• Youngquistina mitteni: FHSM 11796 (old number) VP-2211 (new number) , a set of teeth.

Ecology: nektonic carnivore

Distribution: found only at MSM 101.1. Diversion Channel 0.8 km west of Ancell (Scott City)

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Specimen images are retrieved through the ePANDDA API.