Icon-ryusoger.pngThis article is about a/an mecha in Kishiryu Sentai Ryusoulger.

―Ryusoul Red summoning Pterardon.[src]

Kishiryu Pterardon (騎士竜プテラードン Kishiryū Puterādon) is an auxiliary Kishiryu in Kishiryu Sentai Ryusoulger. It is modeled after the Pteranodon.


A giant Kishiryu based on the Pteranodon, Pterardon grants the abilities of the HieHie Armor, which allows the user to use ice-based attacks and fly at super speed. In combat, it has ice-based abilities, can fire a sub-zero ice beam from its beak, achieve space flight, fire energy beams from its arms, and wields the Pterardon Head (プテラードンヘッド Puterādon Heddo), the Knight Edge (ナイトエッジ Naito Eiji) wings and the HieHie Claw (ヒエヒエクロー Hiehie Kurō) on its short tail. After breaking its seal, Pterardon can convert from its Pit Mode to its Kishiryu form at will.

Pit Mode, called Pi-Tan (ピーたん Pītan) by Oto and Asuna, is Kishiryu Pterardon's sealed form that resembles an egg and a penguin. In this form, Pterardon loses access to its abilities and flight, but in exchange is a lot more durable and can fit through smaller spaces, being able to withstand the intense heat of DimeVolcano's flames and Pachygaroo's punch strikes. Despite this, it can still feel pain. Eventually, it develops limited flight.

Much like the vast majority of the Kishiryu, Pterardon is capable of speaking human language, and in complete sentences. In Pit Mode, its voice becomes higher in pitch and more child-like.

Kishiryu Pterardon: Ryusoulger Episodes 31-32, 34-37, 39-40, 43-44, 46-48
Pit Mode: Ryusoulger Episodes 29-32, 37, 39, 43-44, 46


After flying into space to avoid being sealed by Seto 65 million years ago, Pterardon ran into Pricious, who trapped it in its pit mode, robbing it of its true abilities and sending the sky Kishiryu falling back down to Earth in the ocean. On MosaRex's order in the present, Oto retrieved Pterardon and brought it to the Ryusoulgers, which lead to reawakening the sky Kishiryu as Tyramigo attempted to eat Pterardon after mistaking it for an egg.

Ryusoul Gattai YokuRyuOh

―Announcement after completing transformation.[src]

Ryusoul Gattai YokuRyuOh (竜装合体ヨクリュウオー Ryūsō Gattai Yokuryūō) is Kishiryu Pterardon's humanoid form with the HieHieSoul as its head which it changes into when Koh takes command. YokuRyuOh is the fastest Mecha the Ryusoulgers possess, capable of flight and can temporarily freeze the surrounding area for its own advantage. It wields the HieHie Claw on its right arm, which can be used for both offensive and defensive capability, and can attack with the YokuRyuOh Blizzard Storm (ヨクリュウオーブリザードストーム Yokuryuuō Burizādo Sutōmu), a freezing mist blast from the Pterardon Head. Its finisher is the YokuRyuOh Blizzard Claw Strike (ヨクリュウオーブリザードクローストライク Yokuryūō Burizādo Kurō Sutoraiku), where YokuRyuOh encases the HieHie Claw in solid ice and flies at superspeed before using it to pierce and destroy the Minosaur.

YokuRyuOh wielding the Knight Lance and the left Knight Mace.

In the final battle with Eras, YokuRyuOh fused with Kishiryu TigerLance and MilNeedle, allowing it to wield the Knight Lance (ナイトランス Naito Ransu) and the left Knight Mace (ナイトメイス Naito Meisu).

Appearances: Ryusoulger Episodes 31, 34, 44, 48

Additional Formations

Kishiryu Ptyramigo

Kishiryu Ptyramigo (騎士竜プティラミーゴ Kishiryū Putiramīgo) is a giant Kishiryu formed from Kishiryu Pterardon and Kishiryu Tyramigo, resembling a dragon. It's formed with Tyramigo in its Kishiryu form, both of its turrets are placed on the side of each leg, Pterardon's back and the Knight Edge wings (minus the legs) replaces Tyramigo's back and Knight Cannons (ナイトキャノン Naito Kyanon) (with Tyramigo's drills on each side), and the HieHie Claw is placed between Tyramigo's head and body. In combat, Ptyramigo can fire energy beams from Pterardon's arms, perform slashes with the Knight Edge wings, execute kicks, and perform a spiral slash attack with the Knight Edges, Tyramigo's Tail Whip (テイルウィップ Teiru Wippu) and fire energy shots.

Appearances: Ryusoulger Episodes 32, 43

Ryusoul Gattai KishiRyuOh Jet

"KishiRyuOh Jet!"
―Announcement after completing transformation.[src]

Ryusoul Gattai KishiRyuOh Jet (竜装合体キシリュウオージェット Ryūsō Gattai Kishiryūō Jetto) is the combined form of Kishiryu Tyramigo, Pterardon, Pachygaroo and Chibigaroo. It consists of Kishiryu Tyramigo's head, lower body and legs (with Tyramigo's drills on the knees), and the Red RyuSoul as its head, Pterardon's upper body, arms, the Knight Edge wings and the HieHie Claw placed as a chest plate, Pachygaroo's body splits in two to form the Knight Gloves (ナイトグローブ Naito Gurōbu): Pachygaroo's upper section, with the Knight Thruster (ナイトスラスター Naito Surasutā) on the right arm, and its lower section on the left arm, and Chibigaroo attaches itself to Pachygaroo's head as a visor.

In this form, KishiRyuOh gains ice and earth-based abilities, boxing skills, the ability of flight and increased stamina to compensate for Pachygaroo's weakness. Alongside its punches, KishiRyuOh Jet can perform kicks and knee thrusts with Tyramigo's drills. Its finisher is the KishiRyuOh Blizzard Inferno (キシリュウオーブリザードインフェルノ Kishiryuuō Burizādo Inferuno), where KishiryuOh Jet freezes the right Knight Glove and ignites the left Knight Glove with fire and performs a series of ice and fire jabs, followed by Chibigaroo executing a couple of jabs before KishiRyuOh Jet pierces the Minosaur, destroying it.

Appearances: Ryusoulger Episode 32, 34, 39, 43

Ryusoul Gattai King KishiRyuOh

"King KishiRyuOh!"
―Announcement after completing transformation.[src]

Ryusoul Gattai King KishiRyuOh (竜装合体キングキシリュウオー Ryūsō Gattai Kingu KishiRyūō) is the combination between Kishiryu Pterardon, Kishiryu Tyramigo and Kishiryu MosaRex. It consists of Kishiryu Tyramigo's lower body and legs, its RyuSoul is placed as its head, Pterardon's upper body, arms and the Knight Edge wings combines with Tyramigo's lower half, the HieHie Claw is placed on the chest (with a section of it forming the crown and visor) with the Pterardon Head, MosaRex's tail (minus the KnighTrident) splits to form the Knight Boarder (ナイトボーダー Naito Bōdā) pads for the feet, its missile launchers are placed on KishiRyuOh's knee connectors, the Tyramigo Head (ティラミーゴヘッド Tiramīgo Heddo) is attached to the left arm with both drills and one of its turrets as its spine, and the the MosaRex Head (モサレックスヘッド Mosarekkusu Heddo) is attached to the right arm with the second turret.

In this form, King KishiRyuOh is the cornerstone of the Ryusoulgers' mecha, granting it mastery of the land, sea, and sky. It possesses the ability to move at lightspeed, achieve spaceflight, immense strength to fling giant enemies off the ground and deliver powerful blows, generate a lightning kick with the Knight Boarder, and can generate and fire three elemental beams from each head: a water beam from the MosaRex Head, an ice beam from the Perardon Head, and a fire beam from the Tyramigo Head, the force being strong enough to force a giant enemy into space. Its finisher is the King KishiRyuOh Big Bang Evolution (キングキシリュウオービッグバンエボリューション Kingu Kishiryuuō Bigguban Eboryūshon), where King KishiRyuOh generates manifestations of Kishiryu Tyramigo, Triken, Ankyloze, TigerLance, MilNeedle, DimeVolcano, MosaRex (with the AmmoKnuckles), CosmoRaptor, Pachygaroo & Chibigaroo, and Pterardon. Each Kishiryu is placed in an evolution-style line before firing a decet of energy beams (consisting a red, three blue, pink, two green, yellow, orange, and light-blue), slamming the monster against the side of the moon and obliterating it.

Appearances: Ryusoulger Episodes 35-37, 39-40, 47



HieHieSoul (Knight Mode)

"Sub-Zero Wings! Pterardon! (絶対零度の翼!プテラードン! Zettaireido no Tsubasa! Puterādon!)"
―Insertion announcement in the Ryusoul Calibur[src]

The HieHieSoul (ヒエヒエソウル HiehieSōru, lit. Freezing Soul) is the personal RyuSoul for Pterardon. It enables access to the HieHie Armor, granting the user ice-based abilities and the power of flight.

Behind the Scenes


Kishiryu Pterardon (Pi-tan) is voiced by Takeshi Kusao (草尾 毅 Kusao Takeshi) who previously voiced Smoky the Magical Cat in Mahou Sentai Magiranger and Coco in Yes! Pretty Cure 5. Pterardon's voice is also at a higher pitch than normal while in Pit Mode.


  • Pterardon's name is a mix of Pteranodon and blizzard.
  • KishiRyuOh's alternate forms involving Pterardon as one of the pieces is the first time where KishiRyuOh's upper body and arms are replaced in the combination.
  • YokuRyuOh is the only Ryusoulger Giant Robo to have a non-Ryusoulger as a pilot.


See Also


Icon-ryusoger.png Kishiryu Sentai Ryusoulger
Koh - Melto - Asuna - Towa - Bamba - Canalo - Nada - Seto / Naohisa Tatsui
Ryusoul Changer - Mosa Changer - Gaisoul Ken - Max Ryusoul Changer - Ryusoul Calibur - RyuSouls - Ryusoul Ken - Mosa Blade - Mosa Breaker
Ui Tatsui - Naohisa Tatsui - Elder of the Ryusoul Tribe - Oto
The Masters
Master Red - Master Blue - Master Pink - Master Green - Master Black
Mecha and Robos
Kishiryu Tyramigo - Kishiryu Triken - Kishiryu Ankyloze - Kishiryu TigerLance - Kishiryu MilNeedle - Kishiryu MosaRex
Kishiryu DimeVolcano - Kishiryu Dinomigo - Kishiryu Cobrago - Kishiryu ShineRaptor - Kishiryu ShadowRaptor - Kishiryu Pachygaroo - Kishiryu Chibigaroo - Kishiryu Pterardon
Ryusoul Gattai KishiRyuOh - Ryusoul Gattai KishiRyuNeptune - Kishiryu SpinoThunder - Ryusoul Gattai Gigant KishiRyuOh - Ryusoul Gattai Kishiryuzin - Kishiryu CosmoRaptor - Ryusoul Gattai KishiRyuOh CosmoRaptor - Kishiryu Ptyramigo - Ryusoul Gattai YokuRyuOh - Ryusoul Gattai KishiRyuOh Jet - Ryusoul Gattai King KishiRyuOh - Ryusoul Gattai KishiRyuOh Five Knights Blue - Ryusoul Gattai KishiRyuOh Five Knights Black
Warfare Tribe Druidon
Leader: Eras
Generals: Tankjoh - Wiserue - Gachireus - Uden - Pricious - Saden (Master Black) - Gunjoji - Yabasword
Others: Kleon
Minosaurs: Minosaur Complete Body/Dragon Minosaur - Unicorn Minosaur - Medusa Minosaur - Kraken Minosaur - Cerberus Minosaur (Elder Brother) - Cockatrice Minosaur - Mimic Minosaur - Troll Minosaur - Shen Minosaur - Mummy Minosaur - Basilisk Minosaur - Kelpie Minosaur - Primogenitor Minosaur - Pan Minosaur - Ghost Ship Minosaur - Golem Minosaur - Arachne Minosaur - Grimoire Minosaur - Necromancer Minosaur - Dwarf Minosaur - Grim Reaper Minosaur - Dodomeki Minosaur - Beelzebub Minosaur - Poltergeist Minosaur - Dullahan Minosaur - Fairy Minosaur - Jack-o'-lantern Minosaur - Sylph Minosaur - Gnome Minosaur - Charybdis Minosaur - Wizard Minosaur - Satan Minosaur - Phantom Minosaur - Griffon Minosaur - Director Minosaur - Maiko Minosaur
Footsoldiers: Drunn Soldiers
Allies: Gaisoulg (Valma, Rita, Nada) - Space Dragon - Ganima Noshiagalda