Elliptical galaxies are sometime called dwarf galaxies.
You can have dwarf elliptical galaxies.
They are simply called "galaxies which are part of a cluster".
This may refer to the so-called "flocculent galaxies". Perhaps it's the "multiple arm galaxies", which are sometimes put in with the flocculent type.
The name of the irregular galaxies lying near the South celestial poles is called the Magellanic Clouds. The large Magellanic Cloud is called the Nubecula Major and the smaller one is called the Nubecula Minor.
They are called elliptical galaxies.
irregular galaxies
A group of galaxies is called a cluster.
They are elliptical galaxies.
A diagram that is smaller than the actual size is sometimes called a reduction.
They are called Spiral Galaxies or Barred Galaxies.
before shokes
Under a mathematical transformation which is sometimes called rescaling.