Definition of Prototheria in English:

Prototheria

plural noun ˌprəʊtə(ʊ)ˈθɪərɪəˌprōdəˈTHirēə

Zoology

A group of mammals that comprises the monotremes and their extinct relatives.
〔动〕原兽亚纲哺乳动物。比较THERIA
Subclass Prototheria, class Mammalia
Compare with Theria
Example sentencesExamples
- As noted, recognition of skull resemblances to monotremes and triconodonts led to later referral to ‘Prototheria,’ within a monophyletic Mammalia.
- They are often placed in a separate subclass from other mammals, Prototheria.
- Triconodonta were viewed as broadly ancestral to the extinct Docodonta and to living monotremes, collectively grouped (often with Multituberculata) as Prototheria.
- Later cladistic studies, beginning with that of Kemp, called into question the integrity of a broadly conceived ‘Prototheria.’

Origin

Modern Latin (plural), from proto- 'first, original' + Greek thēr 'wild beast'.

Definition of Prototheria in US English:

Prototheria

plural nounˌprōdəˈTHirēə

Zoology

A group of mammals that comprises the monotremes and their extinct relatives.
〔动〕原兽亚纲哺乳动物。比较THERIA
Subclass Prototheria, class Mammalia
Compare with Theria
Example sentencesExamples
- Triconodonta were viewed as broadly ancestral to the extinct Docodonta and to living monotremes, collectively grouped (often with Multituberculata) as Prototheria.
- They are often placed in a separate subclass from other mammals, Prototheria.
- As noted, recognition of skull resemblances to monotremes and triconodonts led to later referral to ‘Prototheria,’ within a monophyletic Mammalia.
- Later cladistic studies, beginning with that of Kemp, called into question the integrity of a broadly conceived ‘Prototheria.’

Origin

Modern Latin (plural), from proto- ‘first, original’ + Greek thēr ‘wild beast’.

单词	Prototheria
释义	Definition of Prototheria in English: Prototheria plural noun ˌprəʊtə(ʊ)ˈθɪərɪəˌprōdəˈTHirēə Zoology A group of mammals that comprises the monotremes and their extinct relatives. 〔动〕原兽亚纲哺乳动物。比较THERIA Subclass Prototheria, class Mammalia Compare with Theria Example sentencesExamples As noted, recognition of skull resemblances to monotremes and triconodonts led to later referral to ‘Prototheria,’ within a monophyletic Mammalia. They are often placed in a separate subclass from other mammals, Prototheria. Triconodonta were viewed as broadly ancestral to the extinct Docodonta and to living monotremes, collectively grouped (often with Multituberculata) as Prototheria. Later cladistic studies, beginning with that of Kemp, called into question the integrity of a broadly conceived ‘Prototheria.’ Origin Modern Latin (plural), from proto- 'first, original' + Greek thēr 'wild beast'. Definition of Prototheria in US English: Prototheria plural nounˌprōdəˈTHirēə Zoology A group of mammals that comprises the monotremes and their extinct relatives. 〔动〕原兽亚纲哺乳动物。比较THERIA Subclass Prototheria, class Mammalia Compare with Theria Example sentencesExamples Triconodonta were viewed as broadly ancestral to the extinct Docodonta and to living monotremes, collectively grouped (often with Multituberculata) as Prototheria. They are often placed in a separate subclass from other mammals, Prototheria. As noted, recognition of skull resemblances to monotremes and triconodonts led to later referral to ‘Prototheria,’ within a monophyletic Mammalia. Later cladistic studies, beginning with that of Kemp, called into question the integrity of a broadly conceived ‘Prototheria.’ Origin Modern Latin (plural), from proto- ‘first, original’ + Greek thēr ‘wild beast’.
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