Atriphtaloid

An atriphtaloid, also called an atriphtothlassic curve, is type of sextic plane curve. It is given by the equation

x^4(x^2%2By^2)-(ax^2-b)^2=0 \,

where a, and b are positive numbers.

References

Weisstein, Eric W., "Atriphtaloid" from MathWorld.