门 (生物)

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生物分类学
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非细胞生物
细胞生物

(英文:动物界的门为Phylum植物界的门为Division[1])是生物分类法中的一级,位于之间,有时在门下也分亚门。目前动物界拥有35个门,植物界则拥有12个门,许多门种类繁多,例如蜕皮动物与有胚植物

目录

动物门


涵义 名称 分类特征 种类
棘头动物门 Thorny headed worms Thorny-headed worms Reversible spiny proboscis approx. 756
无腔动物门 Without gut Acoels No mouth or alimentary canal (alimentary canal = digestive tract in digestive system)
环节动物门 Little ring Segmented worms 生物体柔软,分节 17,000+ extant
节肢动物门 Jointed foot Arthropods 甲壳素外骨骼 1,134,000+
腕足动物门 Arm foot Lamp shells Lophophore,有肉茎 300-500 extant
外肛动物门 Moss animals Moss animals, sea mats Lophophore,没有肉茎,ciliated tentacles 5,000 extant
毛颚动物门 Longhair jaw Arrow worms 在头和鳍的两边均有几丁质组成的尖刺 approx. 100 extant
脊索动物门 Cord Chordates Hollow dorsal nerve cord, 脊索, pharyngeal slits, endostyle, 肛门 approx. 100,000+
刺胞动物门 Stinging nettle Coelenterates Nematocysts (stinging cells) approx. 11,000
栉水母动物门 Comb bearer Comb jellies Eight "comb rows" of fused cilia approx. 100 extant
环口动物门 Wheel carrying Symbion Circular mouth surrounded by small cilia 3+
棘皮动物门 Spiny skin Echinoderms Fivefold radial symmetry in living forms, mesodermal calcified spines approx. 7,000 extant; approx. 13,000 extinct
内肛动物门 Inside anus Goblet worm Anus inside ring of cilia approx. 150
腹毛动物门 Hair stomach Meiofauna Two terminal adhesive tubes approx. 690
颚胃动物门 Jaw orifice Jaw worms approx. 100
半索动物门 Half cord Acorn worms, pterobranchs Stomochord in collar, pharyngeal slits approx. 100 extant
动吻动物门 Motion snout Mud dragons Eleven segments, each with a dorsal plate approx. 150
铠甲动物门 Corset bearer Brush heads Umbrella-like scales at each end approx. 122
微颚动物门 Tiny jaw animals Accordion like extensible thorax 1
软件动物门 Soft Mollusks / molluscs Muscular foot and mantle round shell 112,000[2]
线虫动物门 Thread like Round worms Round cross section, keratin cuticle 80,000–1,000,000
线形动物门 Thread form Horsehair worms approx. 320
纽形动物门 A sea nymph Ribbon worms approx. 1,200
有爪动物门 Claw bearer Velvet worms Legs tipped by chitinous claws approx. 200 extant
直泳虫门 Straight swim Single layer of ciliated cells surrounding a mass of sex cells approx. 20
帚虫动物门 Zeus's mistress Horseshoe worms U-shaped gut 20
扁盘动物门 Plate animals 1
扁形动物门 Flat worms Flat worms approx. 25,000[3]
多孔动物门* Pore bearer Sponges Perforated interior wall 5,000+ extant
鳃曳动物门 Little Priapus 16
菱形虫门 Lozenge animal Single axial cell surrounded by ciliated cells 75
轮形动物门 Wheel bearer Rotifers Anterior crown of cilia approx. 2,000
星虫动物门 Small tube Peanut worms Mouth surrounded by invertible tentacles 144–320
缓步动物门 Slow step Water bears Four segmented body and head 1,000+
异涡动物门 Strange flatworm Ciliated deuterostome 2
Total: 35 2,000,000-
原口动物 两侧对称动物
后口动物
存有争议
其他

植物门

涵义 名称 特征
角苔门 Flower-horn plants Hornworts 喇叭状的孢子体,无维管束系统
苔藓植物门 苔藓植物 Mosses 长寿的不分枝孢子体,无维管束系统
地钱门 Marchantia plants Liverworts 短暂的不分枝孢子体,无维管束系统
石松门 Wolf foot plants Clubmosses & Spikemosses 小型叶,具维管束系统
蕨类植物门 蕨类植物 Ferns & Horsetails Prothallus gametophytes, 具维管束系统
种子蕨门 有种子的蕨 Seed ferns 只从化石得知,多从泥盆纪,有争议[4]
松柏门 Sap/pitch plants Conifers Cones containing seeds and wood composed of tracheids
苏铁门 Cycads Seeds, crown of compound leaves
银杏门 银杏 Ginkgo, Maidenhair Seeds not protected by fruit (single species)
买麻藤门 Gnetophytes Seeds and woody vascular system with vessels
被子植物门 开花植物 Flowering plants Flowers and fruit, vascular system with vessels

参考资料

  1. Life sciences. The American Heritage New Dictionary of Cultural Literacy. third. Houghton Mifflin Company. 2005 [2008-10-04]. "Phyla in the plant kingdom are frequently called divisions." 
  2. Feldkamp, S. (2002) Modern Biology. Holt, Rinehart, and Winston, USA. (pp. 725)
  3. Species Register. Flatworms — Phylum Platyhelminthes. Marine Discovery Centres [2007-04-09]. 
  4. "Kingdom Plantae Tree of Life". 

外部连结

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