Heteropoma pyramis was created in 1894.
Heteropoma quadrasi was created in 1894.
Heteropoma fulva was created in 1894.
Heteropoma tuberculatum was created in 1894.
Heteropoma turritum was created in 1894.
Heteropoma glabratum was created in 1894.
Pyramis was created in 1959.
Pyramis's population is 300.
He got it from the old Greek play Pyramis and Thysbe.
4, 3 at the base and 1 at the top
You can't get a three dimensional triangle - but you can have a triangular prism. Its also known as a triangular based pyramis - or to be really precise, a tetrahydron.
A pyramid with an n-sided base will have n + 1 vertices, n + 1 faces, and 2n edges. 8 edges
A square pyramid has 5 faces. The four side faces are triangles, and the base is in the form of a square. This pyramid has 5 vertices and 8 edges.