頭索動物亞門 (亞門) Cephalochordata(subphylum)
範圍註 ：
狀似魚的小型海生無脊椎動物，頭索動物可能是脊椎動物最近的現存親緣種。特徵為縱貫全身的脊索，由頂端延伸至神經索，腹面有口；身體某些部分發育完全，但頭部發展不全，亦無成對的鰭。
詞彙 ：
頭索動物亞門 (亞門) (P,,U,繁體中文-偏好,D,U,U)
t'ou so tung wu ya men(P,,U,韋氏拼音-偏好,UF,U,U)
tóu suǒ dòng wù yǎ mén(P,,U,漢語拼音-偏好,UF,U,U)
tou suo dong wu ya men(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
Cephalochordata(subphylum) (P,,U,英文-偏好,D,U,N)
Cephalochordata(subphylum) (P,,U,拉丁語-偏好,D,U,N)
lancelet(,U,英文-非偏好,AD,U,N)
lancelets(,U,英文-非偏好,AD,U,N)
cephalochordates(,U,英文-非偏好,UF,U,N)
cephalochorda(,U,英文-非偏好,UF,U,N)
Leptocardia(,U,英文-非偏好,UF,U,N)
Leptocardii(,U,英文-非偏好,UF,U,N)
Acrania(,U,英文-非偏好,UF,U,N)
Cirrostomi(,U,英文-非偏好,UF,U,N)
amphioxi(,U,英文-非偏好,AD,U,N)
amphioxus(,U,英文-非偏好,AD,U,N)
amphioxuses(,U,英文-非偏好,UF,U,N)
t'ou so tung wu ya men(P,,U,韋氏拼音-偏好,UF,U,U)
tóu suǒ dòng wù yǎ mén(P,,U,漢語拼音-偏好,UF,U,U)
tou suo dong wu ya men(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
Cephalochordata(subphylum) (P,,U,英文-偏好,D,U,N)
Cephalochordata(subphylum) (P,,U,拉丁語-偏好,D,U,N)
lancelet(,U,英文-非偏好,AD,U,N)
lancelets(,U,英文-非偏好,AD,U,N)
cephalochordates(,U,英文-非偏好,UF,U,N)
cephalochorda(,U,英文-非偏好,UF,U,N)
Leptocardia(,U,英文-非偏好,UF,U,N)
Leptocardii(,U,英文-非偏好,UF,U,N)
Acrania(,U,英文-非偏好,UF,U,N)
Cirrostomi(,U,英文-非偏好,UF,U,N)
amphioxi(,U,英文-非偏好,AD,U,N)
amphioxus(,U,英文-非偏好,AD,U,N)
amphioxuses(,U,英文-非偏好,UF,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)
........................頭索動物亞門 (亞門)
其他範圍註 ：
| 英文.... | Small, fishlike marine invertebrates that are probably the closest living relatives of the vertebrates. Their distinguishing characteristics include a notochord that extends the entire body length, with tip anterior to nerve cord; an atrium that is a single cavity with single ventral opening, but no heard; segments that are well developed; a head poorly developed; and no paired fins. |
來源與貢獻者：
| 頭索動物亞門 (亞門)............ | [AS-Academia Sinica] |
| ................. | 國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 August 24, 2011 |
| ................. | 智慧藏百科全書網 August 24, 2011 |
| ................. | 大英百科全書線上繁體中文版 August 24, 2011 |
| ................. | 脊椎動物學（上） 20 |
| Cephalochordata(subphylum)............ | [VP] |
| ................. | Encyclopedia Americana (1985) 1:872 |
| ................. | CDMARC Subjects: LCSH (1988-) |
| ................. | Webster's Third New International Dictionary (1961) |
| ................. | Random House Unabridged Dictionary (1993) |
| lancelet............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| lancelets............ | [VP] |
| ................. | Collier's Encyclopedia (1950) illustration, Vol. 2, 253 |
| ................. | CDMARC Subjects: LCSH (1988-) |
| ................. | Oxford English Dictionary (1989) |
| ................. | Judge and Toyne, Oxford Illustrated Encyclopedia (1985) Vol. 2, 182 |
| ................. | Webster's Third New International Dictionary (1961) |
| ................. | Random House Unabridged Dictionary (1993) |
| ................. | Animal Diversity Web (1995-) "lancelet." accessed 15 May 2007 |
| cephalochordates............ | [VP] |
| ................. | Collier's Encyclopedia (1950) illustration, Vol. 2, 253 |
| cephalochorda............ | [VP] |
| ................. | Webster's Third New International Dictionary (1986) |
| Leptocardia............ | [VP] |
| ................. | CDMARC Subjects: LCSH (1988-) |
| ................. | Webster's Third New International Dictionary (1961) |
| Leptocardii............ | [VP] |
| ................. | Webster's Third New International Dictionary (1961) |
| Acrania............ | [VP] |
| ................. | Encyclopedia Britannica Online (2002-) "Cephalochorda." accessed 15 May 2007 |
| Cirrostomi............ | [VP] |
| ................. | CDMARC Subjects: LCSH (1988-) |
| ................. | Webster's Third New International Dictionary (1961) |
| amphioxi............ | [VP] |
| ................. | Encyclopedia Britannica Online (2002-) "amphioxus." accessed 15 May 2007 |
| amphioxus............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| amphioxuses............ | [VP] |
| ................. | Encyclopedia Britannica Online (2002-) "amphioxus." accessed 15 May 2007 |
| Subject:............ | [VP] |
| ................. | Webster's New Geographical Dictionary (1988) |
| ................. | Random House Dictionary of the English Language (1987) |
| ................. | Animal Diversity Web (1995-) "lancelet," accessed 15 May 2007 |
| ................. | Encyclopedia Britannica Online (2002-) "amphioxus," accessed 15 May 2007 |
外部連結：
Getty AAT: 300266512
Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300266512
聯合目錄： 頭索動物亞門 、t'ou so tung wu ya men 、tóu suǒ dòng wù yǎ mén 、tou suo dong wu ya men 、Cephalochordata 、lancelet 、lancelets 、cephalochordates 、cephalochorda 、Leptocardia 、Leptocardii 、Acrania 、Cirrostomi 、amphioxi 、amphioxus 、amphioxuses 、Cephalochordata
聯合目錄： 頭索動物亞門 、t'ou so tung wu ya men 、tóu suǒ dòng wù yǎ mén 、tou suo dong wu ya men 、Cephalochordata 、lancelet 、lancelets 、cephalochordates 、cephalochorda 、Leptocardia 、Leptocardii 、Acrania 、Cirrostomi 、amphioxi 、amphioxus 、amphioxuses 、Cephalochordata
引用：
[頭索動物亞門 (亞門) Cephalochordata(subphylum)(編號300266512)]。《藝術與建築索引典》。http://aat.teldap.tw/AATFullDisplay/300266512（2025/11/16瀏覽）。