This is good for a laugh. Although there was always some clearly defined lines between stuff like techstep and jump up, I can't say I've heard of drumstep, darkstep or the intriguingly named 'spunk jazz': https://en.wikipedia.org/wiki/Drum_and_bass#Subgenres
On the whole nomenclature convo, anyone heard of the anthem period?!
The majority of their material was released between 1999 and 2002; a period which carried the Anthem status in the Drum and Bass music scene.
https://en.wikipedia.org/wiki/Konflict
This is good for a laugh. Although there was always some clearly defined lines between stuff like techstep and jump up, I can't say I've heard of drumstep, darkstep or the intriguingly named 'spunk jazz': https://en.wikipedia.org/wiki/Drum_and_bass#Subgenres