NPCs composing that spawngroup :

a_skeletal_cook (25%)

thick_boned_skeleton (75%)

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

kurn_1, range=71 (48,-113,134)

greater_skeleton (100%)

kurn_4, range=65 (15,-58,127)

an_odd_mole (100%)

kurn_8, range=60 (99,9,4)

kurn_34, range=89 (156,-98,-103)

lesser_charbone_skeleton (100%)

kurn_39, range=64 (76,-113,-105)

kurn_40, range=76 (153,-74,-104)

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

greater_scalebone (100%)

kurn_63, range=44 (43,-73,-108)

Burynai_excavator (100%)

kurn_68, range=67 (22,-17,-118)

kurn_86, range=80 (10,-87,-106)

kurn_88, range=82 (155,-83,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_92, range=70 (11,-57,-39)

kurn_93, range=51 (29,-50,-39)

Burynai_excavator (100%)

kurn_94, range=33 (67,-19,-39)

kurn_96, range=88 (11,-104,-40)

Burynai_Excavator (50%)
greater_skeleton (50%)

kurn_97, range=47 (128,-51,-49)

kurn_98, range=23 (104,-44,-49)

kurn_99, range=55 (124,-14,-49)

kurn_107, range=45 (121,-71,-24)

kurn_109, range=85 (143,-108,-24)

kurn_114, range=91 (162,-92,-24)

kurn_146, range=74 (60,-120,-40)

kurn_160, range=54 (66,3,9)

greater_skeleton (100%)

kurn_170, range=59 (22,-46,131)

kurn_174, range=51 (45,-86,130)

kurn_182, range=56 (137,-42,9)

scalebone_skeleton (100%)

kurn_183, range=65 (41,-101,6)

greater_skeleton (100%)

kurn_186, range=85 (29,19,104)

kurn_187, range=76 (13,-13,104)

kurn_189, range=97 (93,48,104)