I don't know but I found one just like it; a bed bug or a carpet beetle?
It's called a Plaster bagworm
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mosses
Squamous cells are flat and circular shaped. These cells are found in many parts of the body such as the mouth, lips, cervix, and the middle layers of the skin.
a sphere is a ball shaped or globular body. Round is having a flat circular surface as in a disk
A barbat is an ancient Persian plucked lute with a pear-shaped body, a flat belly, an angled back, and a fretless neck.
mosses
The flat surface of a diamond is called the table if it is on the 'top' of a cut diamond. Otherwise, the flat surface is called a facet, some with specific names. Read more, below.
a "Flat circle thing that's flat" ;)
A table shaped hill with a flat top and steep sides is called a plateau.
One flat surface is a table. Many flat surfaces are facets.
A diamond facet is a surface on a diamond, generally cut by a diamond cutter. Facets are flat and their purpose is to reflect light.