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Mar 6, 2023 at 16:32 vote accept Ichthys King
Feb 21, 2023 at 21:43 comment added Robbie Goodwin Why might they not be?
Feb 21, 2023 at 20:07 comment added David Do they really need to be exactly humanoid legs? Therapod dinosaurs like Tyrannosaurus Rex and Velociraptor were bipedal and had (presumably reptilian) tails.
Feb 21, 2023 at 16:29 history edited Daron CC BY-SA 4.0
edited title
Feb 21, 2023 at 16:05 comment added user458 If you're fussy about the biology, upright creatures don't have tails. But readers don't usually care. There's about a dozen questions in the form "Can my biped have a tail?" For this specific version, the lizard pelvis is categorically different than the mammal pelvis. That's probably why there's no upright lizards.
Feb 21, 2023 at 10:39 comment added Ian Kemp It doesn't matter. You're building your world, you get to make the rules. That means if you want humanoids with lizard tails, go ahead and make them. The physics of how this works is detail irrelevant to your world.
Feb 21, 2023 at 4:24 history edited Victor Stafusa CC BY-SA 4.0
Typos.
Feb 21, 2023 at 1:03 answer added John timeline score: 12
Feb 21, 2023 at 0:17 history became hot network question
Feb 20, 2023 at 17:10 answer added Daron timeline score: 19
Feb 20, 2023 at 17:09 comment added JBH The presence of a tail is believable (see human vestigial tails). However, when you ask, "is there an alternative muscular structure?" there obviously isn't one in Real Life. That means developing a fictional skeletal structure and developing ligaments and musculature. Are you asking us to do that for you, or are you stopped in your worldbuilding efforts with a specific problem? This Q might be too broad (and the title Q is misleading, it should be "How to design human musculature to allow a reptilian tail").
Feb 20, 2023 at 16:15 history asked Ichthys King CC BY-SA 4.0