Polinices Montfort, 1810 (Euspira) Agassiz, 1842 sp.

Remarks

• Collector:    Gerardo Perez Reveles
• Formation:  Tornillo Group, San Carlos Formation,
• Location:     Camino Presa el Granero, Municipio Aldama, Chihuahua, México.

General Info

Stratigraphic Occurrence

• This specimen appears to have been collected from the Late Campanian to Early Maastrichtian level in the San Carlos Formation.

Age

• Polinices Montfort is a living (extant) genus dating back to the Late Cretaceous.

Geographic Occurrence (not an all-inclusive list)

• Polinices is a relatively common gastropod in Late Cretaceous rocks worldwide.

Remarks

         The closest Cretaceous species is Euspira rectilabrum (Conrad) from the Navarro Grp of TX and Ripley Mrl of MS, see:

• Conrad, T. A.  1858.  Observations on a Group of Cretaceous Fossil Shells Found in Tippah County, Mississippi, with Descriptions of Fifty-Six New Species.  Journal of the Academy of Natural Sciences of Philadelphia, Second Series 3, 323–336.