The Sailbacked Lizard is a fan-derived term for the commonly seen form of lizard, which have been seen in the Mysterious Beyond, the Great Valley, and even the forest of the Hidden Runner. They also appear in the song Grandma's Lullaby.
- The Land Before Time: A brown lizard, known as a Hylonomus here, appears in the first film, shortly before the birth of Littlefoot.
- The Land Before Time IV: Journey through the Mists - A Sailbacked Lizard appears in the opening, where it is chased by a Sharptooth in The Land of Mists. Two individuals also appear in the song Grandma's Lullaby.
- The Land Before Time XI: Invasion of the Tinysauruses - One appears in the song Creepy Crawlies, during the part in which the kids sing.
- The Land Before Time XIII: The Wisdom of Friends - One was scared by and was nearly found and killed by a sharptooth in a stampede of a large group of fast biters.
- The Land Before Time TV series: The green type appears in various episodes, such as The Mysterious Tooth Crisis and The Spooky Nighttime Adventure.
- The Land Before Time XIV: Journey of the Brave - One appears during the song Better Off Alone.