NPCs composing that spawngroup :

greater_skeleton (100%)

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

kurn_2, range=14 (124,-191,-23)

Burynai_Excavator (50%)
Burynai_excavator (50%)

kurn_5, range=38 (103,-223,-102)

greater_scalebone (100%)

kurn_7, range=18 (129,-217,-22)

kurn_8, range=51 (108,-244,4)

kurn_10, range=51 (87,-218,-102)

kurn_17, range=95 (60,-259,-99)

Burynai_excavator (50%)
lesser_charbone_skeleton (50%)

kurn_30, range=81 (201,-152,-22)

kurn_31, range=91 (202,-137,-22)

kurn_32, range=49 (128,-151,-23)

Burynai_Excavator (100%)

kurn_33, range=44 (172,-225,-102)

Burynai_sapper (100%)

kurn_35, range=94 (80,-278,-99)

kurn_36, range=71 (199,-232,-102)

kurn_37, range=54 (146,-147,-104)

kurn_38, range=73 (172,-137,-104)

kurn_43, range=49 (89,-183,-102)

kurn_81, range=89 (174,-280,-23)

kurn_87, range=64 (71,-211,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_89, range=19 (151,-190,-25)

kurn_96, range=99 (192,-281,-22)

Burynai_Excavator (50%)
greater_skeleton (50%)

kurn_109, range=92 (143,-108,-24)

kurn_144, range=61 (75,-187,-23)

kurn_145, range=99 (46,-156,-40)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_156, range=68 (66,-197,-104)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_165, range=29 (106,-200,124)

kurn_175, range=90 (52,-163,124)

kurn_176, range=87 (63,-250,124)

kurn_178, range=31 (116,-175,124)