| 門 |
涵義 |
名稱 |
分類特徵 |
種類 |
| 棘頭動物門 |
Thorny headed worms |
Thorny-headed worms |
Reversible spiny proboscis |
&&&&&&&&&&&&&756.&&&&&0756 |
| 无腔動物門 |
Without gut |
Acoels |
No mouth or alimentary canal (alimentary canal = digestive tract in digestive system) |
|
| 環節動物門 |
Little ring |
Segmented worms |
Multiple circular segment |
&&&&&&&&&&&17000.&&&&&017,000+ extant |
| 節肢動物門 |
Jointed foot |
Arthropods |
甲殼素外骨骼 |
&&&&&&&&&1134000.&&&&&01,134,000+ |
| 腕足動物門 |
Arm foot |
Lamp shells |
Lophophore,有肉莖 |
&&&&&&&&&&&&&300.&&&&&0300-500 extant |
| 外肛動物門 |
Moss animals |
Moss animals, sea mats |
Lophophore,沒有肉莖,ciliated tentacles |
&&&&&&&&&&&&5000.&&&&&05,000 extant |
| 毛顎動物門 |
Longhair jaw |
Arrow worms |
在頭和鰭的兩邊均有幾丁質組成的尖刺 |
&&&&&&&&&&&&&100.&&&&&0100 extant |
| 脊索动物门 |
Cord |
Chordates |
Hollow dorsal nerve cord, notochord, pharyngeal slits, endostyle, post-anal tail |
&&&&&&&&&&100000.&&&&&0100,000+ |
| 刺胞動物門 |
Stinging nettle |
Coelenterates |
Nematocysts (stinging cells) |
&&&&&&&&&&&11000.&&&&&011,000 |
| 櫛水母動物門 |
Comb bearer |
Comb jellies |
Eight "comb rows" of fused cilia |
&&&&&&&&&&&&&100.&&&&&0100 extant |
| 環口動物門 |
Wheel carrying |
Symbion |
Circular mouth surrounded by small cilia |
&&&&&&&&&&&&&&&3.&&&&&03+ |
| 棘皮動物門 |
Spiny skin |
Echinoderms |
Fivefold radial symmetry in living forms, mesodermal calcified spines |
&&&&&&&&&&&&7000.&&&&&07,000 extant; approx. 13,000 extinct |
| 內肛動物門 |
Inside anus |
Goblet worm |
Anus inside ring of cilia |
&&&&&&&&&&&&&150.&&&&&0150 |
| 腹毛動物門 |
Hair stomach |
Meiofauna |
Two terminal adhesive tubes |
&&&&&&&&&&&&&690.&&&&&0690 |
| 顎胃動物門 |
Jaw orifice |
Jaw worms |
|
&&&&&&&&&&&&&100.&&&&&0100 |
| 半索動物門 |
Half cord |
Acorn worms, pterobranchs |
Stomochord in collar, pharyngeal slits |
&&&&&&&&&&&&&100.&&&&&0100 extant |
| 动吻動物門 |
Motion snout |
Mud dragons |
Eleven segments, each with a dorsal plate |
&&&&&&&&&&&&&150.&&&&&0150 |
| 鎧甲動物門 |
Corset bearer |
Brush heads |
Umbrella-like scales at each end |
&&&&&&&&&&&&&122.&&&&&0122 |
| 微顎動物門 |
Tiny jaw animals |
— |
Accordion like extensible thorax |
&&&&&&&&&&&&&&&1.&&&&&01 |
| 軟體動物門 |
Soft |
Mollusks / molluscs |
Muscular foot and mantle round shell |
&&&&&&&&&&112000.&&&&&0112,000[2] |
| 線蟲動物門 |
Thread like |
Round worms |
Round cross section, keratin cuticle |
&&&&&&&&&&&80000.&&&&&080,000–1,000,000 |
| 線形動物門 |
Thread form |
Horsehair worms |
|
&&&&&&&&&&&&&320.&&&&&0320 |
| 紐形動物門 |
A sea nymph |
Ribbon worms |
|
&&&&&&&&&&&&1200.&&&&&01,200 |
| 有爪動物門 |
Claw bearer |
Velvet worms |
Legs tipped by chitinous claws |
&&&&&&&&&&&&&200.&&&&&0200 extant |
| 直泳蟲門 |
Straight swim |
|
Single layer of ciliated cells surrounding a mass of sex cells |
&&&&&&&&&&&&&&20.&&&&&020 |
| 帚蟲動物門 |
Zeus's mistress |
Horseshoe worms |
U-shaped gut |
&&&&&&&&&&&&&&20.&&&&&020 |
| 扁盤動物門 |
Plate animals |
|
|
&&&&&&&&&&&&&&&1.&&&&&01 |
| 扁形動物門 |
Flat worms |
Flat worms |
|
&&&&&&&&&&&25000.&&&&&025,000[3] |
| 多孔動物門* |
Pore bearer |
Sponges |
Perforated interior wall |
&&&&&&&&&&&&5000.&&&&&05,000+ extant |
| 鰓曳動物門 |
Little Priapus |
|
|
&&&&&&&&&&&&&&16.&&&&&016 |
| 菱形蟲門 |
Lozenge animal |
— |
Single axial cell surrounded by ciliated cells |
&&&&&&&&&&&&&&75.&&&&&075 |
| 輪形動物門 |
Wheel bearer |
Rotifers |
Anterior crown of cilia |
&&&&&&&&&&&&2000.&&&&&02,000 |
| 星蟲動物門 |
Small tube |
Peanut worms |
Mouth surrounded by invertible tentacles |
&&&&&&&&&&&&&144.&&&&&0144–320 |
| 緩步動物門 |
Slow step |
Water bears |
Four segmented body and head |
&&&&&&&&&&&&1000.&&&&&01,000+ |
| 异涡動物門 |
Strange flatworm |
— |
Ciliated deuterostome |
&&&&&&&&&&&&&&&2.&&&&&02 |
| Total: 35 |
|
|
|
2,000,000- |