Morganucodon: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

An illustration of Morganucodon, an extinct small mammal genus, showing a shrew-like animal with gray-brown fur, a pointed snout, large eyes, and a long tail, next to a scale bar for size reference.

A simplified phylogenetic tree diagram showing the evolutionary relationships among major mammal groups, including Tritylodontidae, Morganucodon, Triconodon, Monotremata, Metatheria (marsupials), and Eutheria (placentals), with Mammaliaformes and Mammalia as ancestral branches and living mammals indicated at the top.

See All Images →

Topics

fossil Tiktaalik roseae dinosaur Australopithecus Homo erectus Neanderthal Ardipithecus Homo habilis megalodon Australopithecus sediba feathered dinosaur

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names

The bearded vulture (Gypaetus barbatus) is seen in Switzerland on December 2024

Animal Factoids

Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)

Wild Words from the Animal Kingdom Vocabulary Quiz

Lion (panthera leo)

Deadliest Animals Quiz