Class: Spirillinata    Subclass: Spirillinana    Order: Spirillinida    Family: Spirillinidae
Spirillina concavoconvexa Galloway and Ryniker, 1930
     Morphological Attributes:
Wallmaterial:
Overall appearance:
Coiling:
Chamberform:
Aperture Position:
Aperture Form: , , ,
Sutures: , ,
Ornamentation: , , ,



type specimen
holotype
Carboniferous
Pennsylvanian
Lower Pennsylvanian
American South
unknown
FEU-1008513
type specimen
paratype
Carboniferous
Pennsylvanian
Lower Pennsylvanian
American South
unknown
FEU-1008521