Description
Spherical , polyhedral, or ovate shells , some with porcellanous quality.
Type species
Figures
No linked figures.
Raw text
Spherical , polyhedral, or ovate shells , some with porcellanous quality.
Spherical , polyhedral, or ovate shells , some with porcellanous quality.
No linked figures.
Spherical , polyhedral, or ovate shells , some with porcellanous quality.