Maiacetus - Wikipedia
Maiacetus ("mother whale") is a genus of early cetacean from the Habib Rahi Formation of Pakistan.
Fossil foetus shows that early whales gave birth on land
2009年2月3日 · The newly discovered Maiacetus was a protocetid – several changes away from its original hooved ancestors, but not as thoroughly adapted of ocean life as Basilosaurus. Gingerich believes that...
Earliest whales gave birth on land - Science News
2009年2月3日 · The researchers dubbed the creature Maiacetus inuus — Maiacetus means “mother whale” in Greek, and Inuus was a Roman fertility god — in part because one of the fossils includes what the...
Fossil Spotlight: Meet Maiacetus, the Mother Whale!
Why is Maiacetus interpreted as a whale? At first glance, Maiacetus appears wolf-like. Close inspection of the bone shape, however, reveals that this species is an artiodactyl. Its detailed anatomy is much closer to modern whales and modern hippos than to wolves.
Early Whale with Webbed Feet | Smithsonian Ocean
An ancestor of the right whale, Maiacetus lived 49-40 million years ago. It had flipper-like limbs and webbed feet, like modern seals. But it also had ankle bones - clues that although Maiacetus swam, its ancestors walked. As later whales evolved to become more aquatic, the telltale anklebone disappeared. Find more about ancient ocean predators ...
Maiacetus, the good mother whale - ScienceBlogs
2009年2月3日 · Just announced in the journal PLoS One, Maiacetus was a member of the Protocetidae, an extinct group of early whales that beautifully illustrate an important phase of whale evolution.
Protocetidae - Wikipedia
Their supposed amphibious nature is supported by the discovery of a pregnant Maiacetus, [2] in which the fossilised fetus was positioned for a head-first delivery, suggesting that Maiacetus gave birth on land.
Early Whales Gave Birth on Land - NSF - National Science …
2009年2月3日 · It is the first discovery of a fetal skeleton of an extinct whale in the group known as Archaeoceti, and the find represents a new species dubbed Maiacetus inuus. ( Maiacetus means "mother whale," and Inuus was a Roman fertility god.)
A WHALE OF A FETUS | Science - AAAS
2009年2月13日 · Eight years ago in northeastern Pakistan, paleontologist Philip Gingerich of the University of Michigan, Ann Arbor, and colleagues discovered the fossilized remains of an ancestral whale they dubbed Maiacetus inuus in slabs of …
New Protocetid Whale from the Middle Eocene of Pakistan: Birth …
2009年2月4日 · Two adult skeletons of a new 2.6 meter long protocetid, Maiacetus inuus, are described from the early middle Eocene Habib Rahi Formation of Pakistan. M. inuus differs from contemporary archaic whales in having a fused mandibular symphysis, distinctive astragalus bones in the ankle, and a less hind-limb dominated postcranial skeleton.