Hi all,
It all comes down to the definition of "Fusion" and "Standard".
While Fusion relates to a certain mix of music styles, Standard does not. I think there is not such a thing as a "Standard or Classic kit".
The "original" Fusion kit would be: 20" bass; 10", 12", and 14" toms, ALL rack toms.
The "original" Jazz kit would be 20" bass, 10", 12", rack toms, 14" Floor tom, or a "Bebop" kit, 20" bass, 12'' rack tom, 16" floor tom.
Through the endless variety of combinations of drum sizes that are available the style of kits have become myriad.
My kit is: 20" bass 10"snare/tom (rack) 12" tom (rack) the 10"inch snare/tom sits straight up from my 14"snare, directly adjacent (left) to my 12" rack tom and a 16" floor tom. What would you call that? (apart from naff, ha,ha,

)
I think most kits have become "hybrid", a common trend is is that Rock an Metal kits seem to go for 22" and/or 24" bass's, while some fusion kits even go "back" to an 18" bass.
As long as we all have fun
Cheers and Happy Drumming,
Harry