Order: Endothyrida    Family: Tetrataxidae
Tetrataxis concava Galloway & Ryniker, 1930
WFD AphiaID: 898892
     Morphological Attributes:
Wallmaterial: microgranular
Overall appearance:
Coiling:
Chamberform:
Aperture Position:
Aperture Form: , , ,
Sutures: , ,
Ornamentation: , , ,



type specimen
holotype
Carboniferous
Pennsylvanian
Lower Pennsylvanian
American South
unknown
FEU-1008519
type specimen
paratype
Carboniferous
Pennsylvanian
Lower Pennsylvanian
American South
unknown
FEU-1008522