#007: Lythro
Lythro FFF


Neutral Medal Neutral






Mesozoic Cretaceous


39.4 ft./12 m.



Discovered (Real World):


Discovered (Park):


Lythro is a Neutral Element Vivosaur that was introduced in Fossil Fighters: Frontier.


Flavor Text: Lythro is weak when facing upward. Its skills are good against downward stances.

Vivosaur Description: A walking vivosaur weapon that never lets its prey escape. Its Attack is comparable to T-Rex Sue's, and its Critical rate is like that of an elite military sniper.

Dinosaur Description: A Tyrannosaurus relative that was only recently discovered. Notable for the hump on its head and its curved teeth, its name literally means "gore king."

Location Table

Location Head Body Arms Legs
Normal Starry Falls (Full Body Fossil) F11 F11 F11 F11
Rare Goldrush Canyon: Boneland Way (Full Body Fossil) Any Any Any Any

For normal fossils, those are coordinates on the bottom screen to find the fossil easier. For rare fossils, those are the radar levels you need equipped to find the fossil at the end of a route. Please note that occasionally a rare fossil is found in a dig site and not a challenge route. In this case, coordinates are provided instead.


Attribute Value
Ability Solo Power
Good Stance
Bad Stances Own-Up
LP 159
Attack 94
Defense 79
Speed 80
Critical 35


SKILLS Head Skill Normal Head Skill Rare Body Skill Normal Body Skill Rare Arm Skill Normal Arm Skill Rare Leg Skill Normal Leg Skill Rare Boost
Name Bladed Upper Head Shredder Shoulder Tackle Slice and Dice Hammer Down Hypno Tail Tail Bash Heavy Smash Killer Crush
FP 70 105 35 140 105 105 70 105 N/A
Boost 0 0 0 1 1 1 0 1 N/A
Power 40 46 29 56 44 46 44 42 55
Accuracy 120 120 100 100 100 120 90 100 100
Resultant Stance Own-UpFoe-Up Own-FrontFoe-Up Own-Front Own-FrontFoe-Down Own-DownFoe-Down Own-RearFoe-Rear Own-RearFoe-Rear Own-Down Own-FrontFoe-Rear
Affinity O Foe-UpFoe-Rear Foe-Up Foe-Rear Foe-UpFoe-Down Foe-Down Foe-DownFoe-Rear Foe-Down Foe-Down
Affinity X Foe-Down
Ailment None None None None None None None None None
Counter O O O O O O O X X
Spread X X X X X X X X X
Flying X O X X X X X X O

Names in other languages

  • Japanese: ライスロー Lythro
  • French: Lythro
  • German: Lythro
  • Spanish: Lythro
  • Italian: Lythro
  • Korean: 리트로낙스 Riteuronakseu


  • Lythro's genus name Lythronax is derived from the Greek words "lythron" (gore) and "anax" (king) - literally "gore king." This is likely the inspiration for its vicious and bloodied appearance.
  • Lythro has is tied at the highest Speed of all large carnivorous vivosaurs in the game, with Aero Yutie at 80.
  • Lythro is tied with Tarbo for the third highest Attack in the game.
  • Lythro is the strongest Solo Power vivosaur in the game. It's high Attack and Speed are taken to full advantage, use it to speedrun Challenge Routes!
  • The Fossil Fighters: Frontier manga provides a reasoning for Lythro's appearance. In this canon, it was a dinosaur that was going to be turned into an obscuresaurus, but the process failed, causing its appearance to become more vicious. [citation needed]


Tarbo L arrow Lythro R arrow Gorgo

Fossil Fighters
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