NPCs composing that spawngroup :

Burynai_Excavator (100%)

NPCs spawning around that spawngroup :
(Max range : 100)

kurn_9, range=88 (-228,15,-23)

scalebone_skeleton (100%)

kurn_11, range=28 (-172,-30,4)

greater_scalebone (50%)
greater_skeleton (50%)

kurn_18, range=90 (-70,30,-39)

Burynai_excavator (100%)

kurn_21, range=78 (-160,-95,-119)

kurn_72, range=70 (-83,-48,-107)

Burynai_excavator (100%)

kurn_90, range=89 (-75,-73,-30)

kurn_113, range=32 (-114,-19,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_125, range=43 (-186,0,-23)

kurn_129, range=91 (-228,-60,-23)

Burynai_Excavator (100%)

kurn_135, range=37 (-138,19,-39)

kurn_136, range=71 (-84,-53,-30)

kurn_149, range=87 (-63,9,-30)

kurn_150, range=97 (-111,72,-39)

Burynai_excavator (100%)

kurn_151, range=53 (-106,18,-39)

kurn_152, range=58 (-88,-11,-30)

kurn_153, range=84 (-62,-10,-30)

kurn_154, range=22 (-164,-32,-23)

Burynai_Excavator (50%)
Burynai_excavator (50%)

kurn_158, range=63 (-184,-69,-23)

kurn_159, range=69 (-164,-85,-23)

kurn_160, range=95 (-53,1,9)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_179, range=54 (-170,31,4)

kurn_183, range=96 (-62,-65,129)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_186, range=88 (-58,-30,104)