Order: Spirillinida    Family: Ammodiscidae
Ammodiscus semiconstrictus regularis Waters, 1927
WFD AphiaID: 930908
     Morphological Attributes:
Wallmaterial:
Overall appearance:
Coiling:
Chamberform:
Aperture Position:
Aperture Form: , , ,
Sutures: , ,
Ornamentation: , , ,



type specimen
holotype
Carboniferous
Pennsylvanian


unknown
FEU-1020052