''Scaliognathus'' is an extinct genus of conodonts.Taxonomy and phylogeny of Scaliognathus Branson & Mehl, 1941 (Conodonta, Lower Carboniferous). HR Lane and W Ziegler, Senckenbergiana lethaea, 1983 The

Tournaisian The Tournaisian is in the ICS geologic timescale the lowest stage or oldest age of the Mississippian, the oldest subsystem of the Carboniferous. The Tournaisian age lasted from Ma to Ma. It is preceded by the Famennian (the uppermost stag ...

, the oldest age of the

Mississippian Mississippian may refer to: * Mississippian (geology), a subperiod of the Carboniferous period in the geologic timescale, roughly 360 to 325 million years ago *Mississippian culture, a culture of Native American mound-builders from 900 to 1500 AD ...

contains eight conodont biozones, one of which is the zone of ''

Gnathodus ''Gnathodus'' is an extinct conodont genus in the family Idiognathodontidae. Use in stratigraphy The Tournaisian, the oldest age of the Mississippian (also known as Lower Carboniferous), contains eight conodont biozones, 3 of which are defin ...

pseudosemiglaber'' and ''Scaliognathus anchoralis''.

References

External links

* * Mississippian conodonts Ozarkodinida genera Fossil taxa described in 1941 {{conodont-stub