Not exactly, though I have noticed that there’s a Federation frigate missing (Gazelle I think, have to check when I’m back at my desktop where I have the game installed).
EDIT: It is indeed the Gazelle frigate from the Federation fleet that is missing in this gorgeous display of 3D wow-ness.
The Alliance are all insectoids. Thus the Python does not have a spinal mount, it clearly has a proboscis for drawing the succulent nectar from giant spaceborne plants.