North American Porcupine specimen (Erethizon dorsatum)
Erethizon dorsatum mummy from Yukon, about 3000 years old
Tasmanian tiger specimen (Thylacinus cynocephalus)
Thylacinus cynocephalus specimen from Stockholm
Tissue from the specimen
Master student hard at work
Scimitar-toothed cat specimen (Homotherium)
Homotherium cub from Lopatin et al., 2024
Tissue & hair from the cub