placoderm: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	Placodermi

Photos

phyletic family tree for fishes

See All Images →

Topics

ptyctodont arthrodire antiarch Pterichthys Coccosteus Phyllolepis Bothriolepis Arctolepis Dinichthys Devonian Period dinosaur chondrichthyan Australopithecus agnathan megalodon pterosaur ichthyosaur chimaera plesiosaur trilobite

Dig Deeper: More Articles That Discuss This Topic

fish: Placodermi: plate-skin fishes

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

Animal Factoids

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

Lion (panthera leo)

Deadliest Animals Quiz

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

Wild Words from the Animal Kingdom Vocabulary 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