TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
PLESIOSAURIA [4 records]
Record 1 - internal organization data 1980-08-19
Record 1, English
Record 1, Subject field(s)
- Paleontology
Record 1, Main entry term, English
- plesiosauria 1, record 1, English, plesiosauria
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, French
Record 1, Domaine(s)
- Paléontologie
Record 1, Main entry term, French
- Plésiosauriens 1, record 1, French, Pl%C3%A9siosauriens
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1978-08-15
Record 2, English
Record 2, Subject field(s)
- Paleontology
Record 2, Main entry term, English
- Plesiosauria
1, record 2, English, Plesiosauria
correct, plural
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
A suborder of Sauropterygia comprising Mesozoic marine reptiles with dorsoventrally flattened bodies and limbs modified into paddles. 1, record 2, English, - Plesiosauria
Record 2, French
Record 2, Domaine(s)
- Paléontologie
Record 2, Main entry term, French
- plésiosauridés
1, record 2, French, pl%C3%A9siosaurid%C3%A9s
correct, plural
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
Famille de reptiles sauroptérygiens, ayant vécu dans les mers secondaires, depuis le Lias jusqu'au Crétacé (...) 1, record 2, French, - pl%C3%A9siosaurid%C3%A9s
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1978-06-29
Record 3, English
Record 3, Subject field(s)
- Paleontology
Record 3, Main entry term, English
- Eretmosaurus
1, record 3, English, Eretmosaurus
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 OBS
Class Reptilia. Subclass Synaptosauria. Order Sauropterygia. Suborder Plesiosauria. Infraorder Plesiosauroidea. F. Plesiosauridae, Eretmosaurus(...) L. Jur. Eu.(...) 1, record 3, English, - Eretmosaurus
Record number: 3, Textual support number: 2 OBS
L. = lower; Jur. = Jurassic; Eu. = Europe 2, record 3, English, - Eretmosaurus
Record 3, French
Record 3, Domaine(s)
- Paléontologie
Record 3, Main entry term, French
- eretmosaurus
1, record 3, French, eretmosaurus
correct
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
Reptile saurien nageur, voisin du plesiosaurus. (fossile dans le Lias d'Angleterre). 1, record 3, French, - eretmosaurus
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1978-01-24
Record 4, English
Record 4, Subject field(s)
- Paleontology
Record 4, Main entry term, English
- plesiosaur
1, record 4, English, plesiosaur
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- plesiosauria 2, record 4, English, plesiosauria
Latin
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
Amphibious or marine reptiles of the Triassic Period and later, having a long neck and two pairs of five-toed paddles with many phalanges. 2, record 4, English, - plesiosaur
Record number: 4, Textual support number: 1 CONT
[...] any of an extinct order(Plesiosauria) of large water reptiles of the Mesozoic Era, characterized by a small head, long neck, short tail, and four paddlelike limbs. 1, record 4, English, - plesiosaur
Record number: 4, Textual support number: 1 OBS
Most were purely aquatic but a few with more elongated limbs could probably also move on land. 2, record 4, English, - plesiosaur
Record 4, French
Record 4, Domaine(s)
- Paléontologie
Record 4, Main entry term, French
- plésiosaure
1, record 4, French, pl%C3%A9siosaure
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- plesiosauria 2, record 4, French, plesiosauria
Latin
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Le second type de reptiles nageurs est représenté par les plésiosaures (de «plêsios», voisin; «sauros», lézard) [...] Leur corps a la forme d'un tonnelet que limitent des côtes robustes et que prolongent un long cou et une longue queue. La tête est petite. [...] Les ceintures des membres forment bouclier sur la face ventrale et portent des nageoires égales, allongées et toujours à cinq doigts [...] 1, record 4, French, - pl%C3%A9siosaure
Record 4, Spanish
Record 4, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: