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Class: Astrorhizata    Subclass: Astrorhizana    Order: Astrorhizida    Family: Saccamminidae
Saccammina howei Conkin&Conkin&Canis, 1968
     Morphological Attributes:
Wallmaterial: agglutinated
Overall appearance: round and flat
Coiling: single chambered
Chamberform: round and flat
Aperture Position: terminal
Aperture Form: round oval reniform, --, neck, --
Sutures: --, --, --
Ornamentation: --, --, --, --

type specimen   holotype
Carboniferous    Mississippian    Lower Mississippian
Midwestern USA    Chouteau Group