Class: Spirillinata    Subclass: Ammodiscana    Order: Ammodiscida    Family: Ammodiscidae
Ammodiscus cheradospirus Loeblich and Tappan, 1950
     Morphological Attributes:
Wallmaterial: agglutinated
Overall appearance: round and flat
Coiling: tubular enrolled
Chamberform: tubular
Aperture Position: terminal
Aperture Form: round oval reniform, no tooth, no neck, no lip
Sutures: depressed, curved, --
Ornamentation: --, --, --, --



type specimen
holotype
Jurassic
Middle Jurassic
Callovian
Midwestern USA
unknown locality
FEU-1006847