Spathognathodontidae

Spathognathodontidae is an extinct conodont family ranging from the Silurian to the Devonian.

Genera
Genera are:
 * †Flajsella
 * †Lanea
 * †Ozarkodina
 * †Spathognathodus
 * †Tortodus
 * †Wurmiella
 * †Zieglerodina