NPCs composing that spawngroup :

Burynai_excavator (34%)

lesser_charbone_skeleton (33%)

lesser_icebone_skeleton (33%)

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

kurn_1, range=55 (48,-113,134)

greater_skeleton (100%)

kurn_4, range=63 (15,-58,127)

an_odd_mole (100%)

kurn_5, range=42 (29,-139,106)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_8, range=66 (28,-61,4)

kurn_39, range=83 (76,-113,-105)

kurn_42, range=57 (1,-174,-109)

kurn_57, range=60 (19,-63,134)

greater_scalebone (100%)

kurn_63, range=67 (43,-73,-108)

Burynai_excavator (100%)
Burynai_excavator (100%)

kurn_70, range=75 (-72,-155,-105)

kurn_71, range=54 (-41,-75,-107)

kurn_86, range=34 (10,-87,-106)

kurn_90, range=80 (-75,-73,-30)

kurn_92, range=62 (11,-57,-39)

kurn_93, range=76 (29,-50,-39)

Burynai_excavator (100%)

kurn_96, range=22 (11,-104,-40)

Burynai_Excavator (50%)
greater_skeleton (50%)

kurn_117, range=40 (-31,-85,-30)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_139, range=68 (-41,-176,-23)

kurn_140, range=59 (-56,-151,-23)

Burynai_burrower (100%)

kurn_141, range=13 (1,-128,-23)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_142, range=91 (-20,-208,-23)

Burynai_burrower (50%)
greater_scalebone (50%)

kurn_143, range=63 (-27,-177,-23)

kurn_145, range=65 (46,-156,-40)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_146, range=67 (60,-120,-40)

kurn_157, range=43 (11,-157,-109)

kurn_162, range=41 (-48,-121,132)

kurn_166, range=53 (23,-161,132)

kurn_167, range=4 (-6,-121,132)

kurn_168, range=43 (0,-160,132)

kurn_170, range=76 (22,-46,131)

kurn_172, range=92 (-89,-159,88)

kurn_173, range=96 (-55,-201,88)

kurn_174, range=60 (45,-86,130)

kurn_175, range=74 (52,-163,124)

kurn_183, range=75 (-62,-65,129)

greater_skeleton (100%)
greater_skeleton (100%)