''Diplognathodus'' is an extinct genus of
conodont
Conodonts (Greek ''kōnos'', "cone", + ''odont'', "tooth") are an extinct group of agnathan (jawless) vertebrates resembling eels, classified in the class Conodonta. For many years, they were known only from their tooth-like oral elements, which ...
s in the family
Anchignathodontidae
Anchignathodontidae is an extinct conodont family.
Genera
Genera are,
* †'' Anchignathodus''
* †''Diplognathodus''
* †''Hindeodus''
* †'' Pseudohindeodus''
References
External links
Anchignathodontidaeat fossilworks
Fossilworks ...
. Specimens are found in Carboniferous and Permian formations.
The genus ''Sweetognathus'' originated in the earliest
Permian
The Permian ( ) is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.9 Mya. It is the last period of the Paleoz ...
as ''
S. expansus'' from ''Diplognathodus edentulus''.
[Evolution and distribution of the conodonts Sweetognathus and Iranognathus and related genera during the Permian, and their implications for climate change. S Mei, CM Henderson, BR Wardlaw - Palaeogeography, Palaeoclimatology, 2002]
''Diplognathodus ellesmerensis'' has been proposed as a marker of the
Moscovian, in the Pennsylvanian age of the Carboniferous.
References
* Hindeodus, Diplognathodus, and Ellisonia Revisited—An Identity Crisis in Permian Conodonts. PH Von Bitter and GK Merrill, Geologica et Palaeontologica, 1985
* Effects of variation on the speciation and phylogeny of Diplognathodus. PH Von Bitter and GK Merrill, Cour. Forsch.-Inst. Senckenberg, 1990
External links
*
*
Ozarkodinida genera
Carboniferous conodonts
Permian conodonts
Permian genus extinctions
Permian extinctions
Fossil taxa described in 1975
{{Conodont-stub