Mystery Bones of Infant Island ("Skeleturtle")

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Image gallery for Skeleturtle

Toho Company, Limited Monster
Skeleturtle in Mothra vs. Godzilla
Mystery Bones of Infant Island
Alternate Names Skeleturtle, Kame no Gaikotsu,
Infant Island's Kai Kotsu
Species Turtle
Created by Eiji Tsuburaya, Shinichi Sekizawa
Portrayed by Puppet
First Appearance Mothra vs. Godzilla

The Mystery Bones of Infant Island (インファント島の怪骨,   Infanto-tō no Kai Kotsu) is a turtle kaiju created by Toho that first appeared in the 1964 Godzilla film, Mothra vs. Godzilla.


"Mystery Bones of Infant Island" is a translation of the official Japanese name for the creature given on an officially licensed 2012 ornament of it produced by Cast.[1][2] Cast later released an ornament for the skeletons lying around Skeleturtle in Mothra vs. Godzilla, which referred to them as the "Other Mystery Bones of Infant Island" (インファント島の別の怪骨,   Infanto-tō no Betsu no Kai Kotsu). Officially licensed t-shirts featuring Skeleturtle that were sold in Japan refer to the creature in English as Infant Island's Kai Kotsu. "Skeleturtle" is a fanmade nickname, created by Chris Mirjahangir of Toho Kingdom,[3] before the official name was known. Another nickname for the creature, "Kame no Gaikotsu," was created by Miles Imhoff, also from Toho Kingdom.[3]


Skeleturtle is purely white and gray, with black eyes, and a bland, pale shell with no visible scutes. It has a fairly long neck, and very short limbs, which have tiny bone fragments visible. Upon first glance, the creature could be easily mistaken for a skeleton, but upon closer examination it can be seen moving its head and blinking, demonstrating that it is a living creature.


Within the context of Mothra vs. Godzilla, Skeleturtle's direct origins are unknown. It is possible that it was a species of turtle affected by the atomic radiation contaminating Infant Island.


Showa Series

Mothra vs. Godzilla

Skeleturtle made a very short appearance on Mothra vs. Godzilla, lasting only about 38 seconds on screen and in the background. It was found on Infant Island, which had a lot of radiation and lifeless skeletons lying around. None of the characters ever directly interact with or notice it.


Godzilla: Rulers of Earth

Skeleturtle can be seen on Infant Island running from the battle between Mothra and Battra in Godzilla: Rulers of Earth #19.


Main article: Skeleturtle/Gallery.


A turtle skeleton in Mondo cane, potentially the inspiration behind Skeleturtle
  • Skeleturtle's inclusion in Mothra vs. Godzilla may be a reference to a popular 1962 Italian documentary entitled Mondo Cane (It's a Dog's World). The film contains a large number of documented atrocities to nature and animals, including turtles on the radiation-contaminated Bikini Atoll beaches, many of which were dead or dying from the continued fallout from nuclear tests. The dried bones of the turtles move in the wind, which is reflected in Skeleturtle's movement in the film.
  • Skeleturtle appears in the officially-licensed Godzilla book Shinji Nishikawa: Drawing Book of Godzilla, in little sketches made by Shinji Nishikawa on the inner back cover and the last page of the book.[5]


Wikizilla: YouTube Kaiju Profile: Skeleturtle


This is a list of references for Skeleturtle. These citations are used to identify the reliable sources on which this article is based. These references appear inside articles in the form of superscript numbers, which look like this: [1]

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Mystery Bones of Infant Island


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