NPCs composing that spawngroup :

greater_skeleton (33%)

greater_skeleton (33%)

scalebone_skeleton (34%)

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

kurn_3, range=78 (-73,-311,-23)

kurn_25, range=71 (-172,-340,-23)

kurn_83, range=87 (-58,-310,-23)

kurn_84, range=75 (-118,-304,-23)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_85, range=83 (-33,-353,-23)

kurn_113, range=24 (-133,-366,-22)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_137, range=69 (-103,-310,-22)

kurn_144, range=85 (-141,-299,-22)

kurn_145, range=96 (-17,-394,-22)

Burynai_Excavator (50%)
greater_scalebone (50%)