Grouped by Shape or Type
(or display shapes listed with definitions or in a table, ordered alphabetically)
| Triangular Shapes | |||
) donaciform |
) trigonal |
) subtrigonal |
) trigonally suboval |
| Rounded Shapes | |||
) orbicular |
) suborbicular |
) oval |
) suboval |
| Rectangular Shapes | Relative Sizes of Paired Valves | ||
) quadrate |
) subquadrate |
) equivalve |
) inequivalve |
| Elongate Shapes | |||
) elliptical |
) subelliptical |
) elongate elliptical |
) elongate |
) fan shaped |
) mytiliform |
) nuculaniform |
) rostrate |
| Miscellaneous Shapes | |||
) cordiform |
) pectinate |
) pteriiform |
) terediniform |