Life reconstruction of two coexisting species from the Late Jurassic period in Portugal, showing aspects of their life history (IMAGE)
Caption
On the left is a parent of the early mammal Dryolestes which raises a brood after reaching sexual maturity at age four. On the right is a Haldanodon, a member of the family of mammal-like docodonts, before fully reaching the mammalian evolutionary level; the creature's lifespan was eleven to fourteen years.
Credit
© Image: James Brown/©Pam Gill.
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The image may be used together with this press release.
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Original content