Dryolestes und HaldanodonLife reconstruction of two coexisting species from the Late Jurassic period in Portugal, showing aspects of their life history. - 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.https://www.paleontology.uni-bonn.de/en/news-from-paleontology/fruehe-saeugetiere-lebten-laenger/dryolestes-and-haldanodon_james-brown.jpg/viewhttps://www.paleontology.uni-bonn.de/en/news-from-paleontology/fruehe-saeugetiere-lebten-laenger/dryolestes-and-haldanodon_james-brown.jpg/@@images/image-1200-85d5e29057764829bd875a124edf1c2c.jpeg
Dryolestes und Haldanodon
Life reconstruction of two coexisting species from the Late Jurassic period in Portugal, showing aspects of their life history. - 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.