PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Idiognathodus biconvexus

Conodonta - Ozarkodinida - Idiognathodontidae

Taxonomy

Idiognathodus biconvexus was named by Gunnell (1933). It is not extant. Its type locality is Leeds Quarry, Galesburg shale, which is in a Kasimovian marine shale in the Galesburg shale Formation of Missouri.

Sister species lacking formal opinion data

I. attenuatus, I. biliratus, I. claviformis, I. delicatus, I. elegantulus, I. fusiformus, I. fustiformis, I. iowaensis, I. podolskiensis, I. simulator, I. wintersentensis

Year	Name and author
1933	Idiognathodus biconvexus Gunnell p. 273 figs. pl. 31, fig. 26