Theriodontia
plural nounThe·ri·odon·tia | \ ˌthirēəˈdänch(ē)ə \
Definition of Theriodontia
(Entry 1 of 2)
: a group of extinct reptiles usually considered a suborder of Therapsida but sometimes classified as a separate order that are characterized by teeth which are differentiated into incisors, prominent canines, and molars with numerous cusps and that are known mostly from skulls found in the Permian and Triassic formations of southern Africa
Theriodontia
\ " \
variants:
or Theriodonta \ ˌthirēəˈdäntə \
Definition of Theriodontia (Entry 2 of 2)
taxonomic synonym of pelycosauria
Keep scrolling for more
Comments on Theriodontia
What made you want to look up Theriodontia? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Namesakes Word Quiz
- Which of the following is a fruit named after a Moroccan seaport?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Namesakes Word Quiz
When names become words and then we ask you about...
Take the quiz - Farm Idioms Quiz
Not your children's farm quiz.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Add Diction
Build a chain of words by adding one letter at a ...
Play the game
Share Theriodontia