Descriptor : Cup shapes

Descriptor type : categorical

Cup: Calcareous archaeocyathan skeleton.

../images/schema_complet2.png

Cup shapes

Cylindrical-conical

Cylindrical: Conical cup nearly cylinder.

Conical: Cup in form of inverted cone.

../images/1MURAILLEI.png

Cylindrical-conical

../images/2muraillesI.png

Cylindrical-conical

../images/thalamideI.png

Cylindrical-conical

../images/orbicyathus_mongolicus2I.png

Cylindrical-conical

Subspherical

Subspherical: Cup nearly spherical.

../images/1chambreI.png

Subspherical

Domal

Domal: Cup in vault.

Discoid

Discoid: Flat.

../images/okulitchicyathus_disciformisI.png

Discoid

../images/okulitchicyathus_discoformis2I.png

Discoid

Belongs to the groups