about the Vanquished Creatures shown in the morgue file

[Sphara]

I've always been under the impression that creatures slain are showed in the order of experience given.

  Code:

5 alligators
  * A wolf spider zombie (Geh:2)
  9 anacondas
  2 stone giant zombies
  An iron dragon zombie (Dis:4)
  A fire giant zombie (D:22)
  2 frost giant zombies
  2 deep elf high priests
  3 shadow dragon skeletons
  A thrashing horror (Abyss:2)
  A chaos butterfly (Abyss:2)
  Urug (Orc:3)
  Nergalle (D:17)
  8 orc high priests
  31 deep trolls
  14 centaur warriors
  A sphinx skeleton (Crypt:5)
  18 soul eaters
  8 very ugly things
  A hell hog (Abyss:2)
  2 iron golems (Hell)
  A dire elephant zombie (Crypt:5)
  9 ice devils
  5 shadow wraiths
  12 stone giant skeletons
  3 death drakes (shapeshifter)
  2 fire giant skeletons
  3 frost giant skeletons
  10 sun demons
  A vapour (Vaults:4)
  4 giant orange brains
  6 large abominations
  2 alligator snapping turtle zombies
  A deep dwarf death knight (D:26)
  5 hell knights
  A black draconian zombie (Crypt:3)
  An unseen horror (shapeshifter) (Vaults:1)
  2 unseen horrors
  79 skeletal warriors
  2 grey draconian zombies
  12 cherubim (Pan)
  2 lindwurms (shapeshifter)
  A dire elephant skeleton (Pan)
  6 iron trolls
  Erolcha (Orc:1)
  2 wizards (Pan)
  2 hill giants (shapeshifter)
  16 paladins (Pan)
  17 naga warriors
  5 shadow demons
  A red draconian zombie (Crypt:5)
  9 sea snakes (Snake:5)
  8 flayed ghosts
  A harpy (shapeshifter) (D:16)
  A redback zombie (Crypt:5)
  A deep elf knight (Vaults:5)
  5 harpies (Vaults:5)
  12 swamp dragons
  An ice statue (Hell)
  An alligator snapping turtle skeleton (Crypt:2)
  8 hill giants
  2 grey draconian skeletons
  A mottled draconian zombie (Dis:4)
  30 orc knights
  2 sea snake zombies
  Pikel (D:4)
  2 black draconian skeletons
  5 purple draconian skeletons
  5 orc sorcerers
  2 flaming corpses
  17 giant amoebae
  2 vampire magi
  A guardian serpent (shapeshifter) (D:16)
  9 guardian serpents
  2 red draconian skeletons
  Joseph (D:10)
  A deep dwarf berserker (D:26)
  2 red wasps (shapeshifter) (Vaults:3)
  4 pale draconian skeletons
  A mottled draconian skeleton (Pan)
  10 hellions
  2 hydra zombies
  * 6 wolf spiders

Why is a wolf spider zombie way higher on the list than a regular wolf spider?

Anyone willing to create some hostile shadow imps in Spider branch?