''Utahconus'' is an extinct genus of

conodonts 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, whic ...

. ''Utahconus purmamarcensis'', ''U. scandodiformis'' and ''U. tortibasis'' are from the Late Cambrian (late

Furongian The Furongian is the fourth and final epoch and series of the Cambrian. It lasted from to million years ago. It succeeds the Miaolingian series of the Cambrian and precedes the Lower Ordovician Tremadocian Stage. It is subdivided into thre ...

) or early Ordovician (

Tremadocian The Tremadocian is the lowest stage of Ordovician. Together with the later Floian Stage it forms the Lower Ordovician Epoch. The Tremadocian lasted from to million years ago. The base of the Tremadocian is defined as the first appearance of the ...

) of the

Santa Rosita Formation Santa Claus, also known as Father Christmas, Saint Nicholas, Saint Nick, Kris Kringle, or simply Santa, is a legendary figure originating in Western Christian culture who is said to bring children gifts during the late evening and overnigh ...

in the

Tilcara San Francisco de Tilcara (usually referred to as Tilcara) is a city in the province of Jujuy, Argentina, and the head town of the Tilcara Department. It had 6,249 inhabitants at the . Traces of human habitation in the area date back more than 10,0 ...

Range, Cordillera Oriental of Jujuy in Argentina. According to J. John Sepkoski, Jr., it's in the order Conodontophoria in the class Conodonta.

References

External links

* * Conodont genera Cambrian conodonts Ordovician conodonts Furongian first appearances Early Ordovician extinctions Tremadocian {{conodont-stub