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Class: Spirillinata    Subclass: Ammodiscana    Order: Ammodiscida    Family: Ammodiscidae
Tolypammina frizzelli Conkin and Conkin, 1964
     Morphological Attributes:
Wallmaterial: agglutinated
Overall appearance: tubular
Coiling: irregular
Chamberform: tubular
Aperture Position: terminal
Aperture Form: round oval reniform, --, --, --
Sutures: depressed, curved, --
Ornamentation: --, --, --, --




type specimen   holotype
Carboniferous    Mississippian    Lower Mississippian
Midwestern USA    Northview FM

identified by scientist   
Carboniferous    Mississippian    Lower Mississippian
Midwestern USA    Northview FM

identified by scientist   
Carboniferous    Mississippian    Lower Mississippian
Midwestern USA    Hannibal FM

identified by scientist   
Carboniferous    Mississippian    Lower Mississippian
Midwestern USA    Chouteau Group