原獸亞綱(亞綱) Prototheria(subclass)
範圍註 ：
原始哺乳類動物的亞綱，包括單孔目動物以及其已滅絕的親屬。卵生，體有毛，具乳腺但無乳頭，具胸帶，且分離的輸卵管通至同為排泄管的泄殖腔。由白堊紀(Cretaceous)與新生代(Cenozoic)時期留存下來的化石得知，此一分類的大多數動物皆已滅絕，現今原獸亞綱的代表為單孔目動物、鴨嘴獸以及某些種類的針鼴。
詞彙 ：
原獸亞綱(亞綱) (P,,U,繁體中文-偏好,D,U,U)
yüan shou ya kang (P,,U,韋氏拼音-偏好,UF,U,U)
yuán shòu yǎ gāng (P,,U,漢語拼音-偏好,UF,U,U)
yuan shou ya gang (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
Prototheria(subclass) (P,,U,英文-偏好,D,L,N)
Prototheria(subclass) (P,,U,拉丁語-偏好,D,U,N)
prototherians(,U,英文-非偏好,AD,U,N)
prototherian(,U,英文-非偏好,AD,U,N)
yüan shou ya kang (P,,U,韋氏拼音-偏好,UF,U,U)
yuán shòu yǎ gāng (P,,U,漢語拼音-偏好,UF,U,U)
yuan shou ya gang (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
Prototheria(subclass) (P,,U,英文-偏好,D,L,N)
Prototheria(subclass) (P,,U,拉丁語-偏好,D,U,N)
prototherians(,U,英文-非偏好,AD,U,N)
prototherian(,U,英文-非偏好,AD,U,N)
層面/層級編碼： X
層級架構：
藝術與建築詞典根目錄 ....代理者層面........活體有機體............真核生物 (域)................動物界 (界)....................脊索動物門 (門)........................脊椎動物亞門 (亞門)............................哺乳綱 (綱)
................................原獸亞綱 (亞綱)
其他範圍註 ：
| 英文.... | Subclass of primitive mammal including monotremes and their extinct relatives, characterized by being egg-laying, having hair, mammary glands without nipples, a pectoral girdle, and separate oviducts that open into a cloacal chamber that is shared with excretory ducts. Most of the animals in this group are extinct, known from fossils of the Cretaceous and Cenozoic periods. They are represented today by the monotremes, platypus and several species of echidna. |
來源與貢獻者：
| 原獸亞綱(亞綱)............ | [AS-Academia Sinica] |
| ................. | 國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 December 11, 2012 |
| ................. | 智慧藏百科全書網 December 11, 2012 |
| ................. | 大英百科全書線上繁體中文版 December 11, 2012 |
| ................. | 脊椎動物學（上） 91 |
| ................. | 基礎生命科學 481 |
| Prototheria(subclass)............ | [VP] |
| ................. | Natural History Museum, London (2000-) |
| ................. | Biodiversity Heritage Library (2005-) |
| ................. | Encyclopedia Britannica Online (2002-) "Vertebrate: Annotated Classification," accessed 13 August 2008 |
| prototherians............ | [VP] |
| ................. | Natural History Museum, London (2000-) |
| prototherian............ | [VP] |
| ................. | Getty Vocabulary Program rules |
外部連結：
Getty AAT: 300310235
Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300310235
聯合目錄： 原獸亞綱 、yüan shou ya kang 、yuán shòu yǎ gāng 、yuan shou ya gang 、Prototheria 、prototherians 、prototherian 、Prototheria
聯合目錄： 原獸亞綱 、yüan shou ya kang 、yuán shòu yǎ gāng 、yuan shou ya gang 、Prototheria 、prototherians 、prototherian 、Prototheria
引用：
[原獸亞綱(亞綱) Prototheria(subclass)(編號300310235)]。《藝術與建築索引典》。http://aat.teldap.tw/AATFullDisplay/300310235（2025/04/03瀏覽）。