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By far the most diverse species we see is the XindiXindi from Enterprise, who all share biological origins but come in  :

  • reptilian
  • insectoid
  • primate
  • amphibian
  • arboreal
  • avian (extinct)

The relevant Memory Alpha page says:

The different Xindi species were extremely similar in their functionally important DNA, sharing over 99.5% despite the apparent physical differences. (ENT: "The Xindi") All the Xindi species shared distinctive ridges on their cheekbones and foreheads. - https://memory-alpha.fandom.com/wiki/Xindi

At least with the primates, you also see variations on skin tone.

Also from Enterprise are the standard blue Andorians, but also their albino subspecies.

By far the most diverse species we see is the Xindi from Enterprise, who all share biological origins but come in  

  • reptilian
  • insectoid
  • primate
  • amphibian
  • arboreal
  • avian (extinct)

The different Xindi species were extremely similar in their functionally important DNA, sharing over 99.5% despite the apparent physical differences. (ENT: "The Xindi") All the Xindi species shared distinctive ridges on their cheekbones and foreheads. - https://memory-alpha.fandom.com/wiki/Xindi

At least with the primates, you also see variations on skin tone.

Also from Enterprise are the standard blue Andorians but also their albino subspecies.

By far the most diverse species we see is the Xindi from Enterprise, who all share biological origins but come in:

  • reptilian
  • insectoid
  • primate
  • amphibian
  • arboreal
  • avian (extinct)

The relevant Memory Alpha page says:

The different Xindi species were extremely similar in their functionally important DNA, sharing over 99.5% despite the apparent physical differences. (ENT: "The Xindi") All the Xindi species shared distinctive ridges on their cheekbones and foreheads.

At least with the primates, you also see variations on skin tone.

Also from Enterprise are the standard blue Andorians, but also their albino subspecies.

1
source | link

By far the most diverse species we see is the Xindi from Enterprise, who all share biological origins but come in

  • reptilian
  • insectoid
  • primate
  • amphibian
  • arboreal
  • avian (extinct)

The different Xindi species were extremely similar in their functionally important DNA, sharing over 99.5% despite the apparent physical differences. (ENT: "The Xindi") All the Xindi species shared distinctive ridges on their cheekbones and foreheads. - https://memory-alpha.fandom.com/wiki/Xindi

At least with the primates, you also see variations on skin tone.

Also from Enterprise are the standard blue Andorians but also their albino subspecies.