It was the sole member of its genus,Thylacinus cynocephalus.
But Colossal is also working on the genomes of extant species, like that of the northern quoll.
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A thylacine in the Washington Zoo in 1904.Photo: H.F. Osborn / Wikimedia Commons
A colony of fat-tailed dunnart stem cells. Image: Colossal Biosciences