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Description

From very late in the Paleocene (66-56 mya) as I had been thinking a bit too Eocene-ish (56-33.9 mya). An attempt at an entry into Hyrotrioskjan 's Atlantis Bestiary - Phase 1 with a squirrel-like multituberculate ptilodont surprising a feeding plesiadapiform. It was quite the surprise as they evolved on different islands on the fictional Atlantis archipelago .

Multituberculates were a highly successful group of rodent-like mammals that lasted from the Middle Jurassic (some 168 mya), past the extinction of non-avian dinosaurs, before dying out in the late Eocene/early Oligocene. Ptilodonts were multis adapted for life in the trees like squirrels, with feet that could rotate around, allowing them to climb down trees headfirst. Multis gave birth similarly to marsupials, with larval young that would then likely finish developing in a pouch on the mother.

Plesiadapiforms are essentially proto-primates, ancestors to all of today's crown primates, including humans. They first appeared post-K-T impact (that nasty extinction that wiped out all those dinosaurs and a lot of life forms on Earth some 66 mya).

Both groups existed in North America during the Paleocene and would have rafted to Hyrotrioskjan's Atlantis on vegetation that had been knocked out to sea by storms and other disasters.

Art © 2021 Marvin E. Fuller

#AtlantisBestiary

(Sigh. There's always a screw-up to fix no matter how hard I try.)

Description

From very late in the Paleocene (66-56 mya) as I had been thinking a bit too Eocene-ish (56-33.9 mya). An attempt at an entry into Hyrotrioskjan 's Atlantis Bestiary - Phase 1 with a squirrel-like multituberculate ptilodont surprising a feeding plesiadapiform. It was quite the surprise as they evolved on different islands on the fictional Atlantis archipelago .

Multituberculates were a highly successful group of rodent-like mammals that lasted from the Middle Jurassic (some 168 mya), past the extinction of non-avian dinosaurs, before dying out in the late Eocene/early Oligocene. Ptilodonts were multis adapted for life in the trees like squirrels, with feet that could rotate around, allowing them to climb down trees headfirst. Multis gave birth similarly to marsupials, with larval young that would then likely finish developing in a pouch on the mother.

Plesiadapiforms are essentially proto-primates, ancestors to all of today's crown primates, including humans. They first appeared post-K-T impact (that nasty extinction that wiped out all those dinosaurs and a lot of life forms on Earth some 66 mya).

Both groups existed in North America during the Paleocene and would have rafted to Hyrotrioskjan's Atlantis on vegetation that had been knocked out to sea by storms and other disasters.

Art © 2021 Marvin E. Fuller

#AtlantisBestiary

(Sigh. There's always a screw-up to fix no matter how hard I try.)