NPCs composing that spawngroup :

Burynai_Excavator (50%)

Burynai_excavator (50%)

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

kurn_9, range=79 (-228,15,-23)

scalebone_skeleton (100%)

kurn_11, range=8 (-172,-30,4)

greater_scalebone (50%)
greater_skeleton (50%)

kurn_21, range=63 (-160,-95,-119)

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

Burynai_excavator (100%)

kurn_90, range=97 (-75,-73,-30)

kurn_111, range=23 (-146,-18,-23)

Burynai_Excavator (100%)

kurn_112, range=88 (-248,-5,-23)

kurn_113, range=51 (-114,-19,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_118, range=86 (-250,-21,-23)

kurn_125, range=38 (-186,0,-23)

kurn_129, range=69 (-228,-60,-23)

Burynai_Excavator (100%)

kurn_135, range=57 (-138,19,-39)

kurn_136, range=82 (-84,-53,-30)

kurn_151, range=76 (-106,18,-39)

kurn_152, range=78 (-88,-11,-30)

kurn_158, range=41 (-184,-69,-23)

kurn_159, range=52 (-164,-85,-23)

kurn_160, range=19 (-183,-38,6)

greater_skeleton (100%)

kurn_179, range=63 (-170,31,4)

kurn_183, range=45 (-126,-57,48)

greater_skeleton (100%)