Top
ヘッダー

(Upload on October 11 2018) [ 日本語 | English ]

Invertebrates (無脊椎動物)






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Invertebrate (無脊椎動物)

The taxon is not established
Phylum
Protozoan (原生動物)
Porifera (海綿動物)
Coelenterata (腔腸動物)
Ctenophora (有櫛動物)
Platyhelminthes (扁形動物)
Nemertinea (紐形動物)
Kamptozoa (曲形動物)
Aschelminthes (袋形動物)
Mollusca (軟体動物)
Annelida (環形動物)
Onychophora (有爪動物)
Tardigrada (緩歩動物)
Pentastomida (舌形動物)
Arthropoda (節足動物)
Sipunculoidea (星口動物)
Tentaculata (触手動物)
Chaetognatha (毛顎動物)
Pogonophora (有鬚動物)
Hemichodata (半索動物)
Echinodermata (棘皮動物)
索引

Phylum Aschelminthes (袋形動物)


Order Rhabditida (ラブディティス)
Ascarididae (回虫)
Parascaris ウマノカイチュウ: P. equorum (Goeze 1782) Yorke et Maplestone 1926, 2n = 2 → observe chromosome diminution firstly (Boveri 1887)

Phylum Mollusca (軟体動物門)


mollusk
Fig. Semidiagrammatic cross section of shell and mantle. CM, circular muscle; IC, inner crystalline layer; IF, inner mantle fold; IME, inner mantle epithelium; MF, middle mantle fold; OC, outer crystalline layer; OF, outer mantle fold; OME, outer mantle epithelium; P, periostracum; PG, periostracal groove (溝); PL, pallial line; PM, pallial muscle.

Class Gastropoda 腹足綱

Lehmannia valentiana

Order Stylommatophora (柄眼)
terrestrial
Lehmannia L. valentiana (チャコウラナメクジ)
Helicidae (マイマイ)
Cepaea Held, 1838:
C. nemoralis Linnaeus, 1758 (モリマイマイ brown-lipped snail), C. hortensis Möller,1774 (ニワノオウシュウマイマイ white-lipped snail)

Euhadra brandtii sapporo

Bradybaenidae (オナジマイマイ, 同蝸牛)
Bradybaena Beck,1837 (オナジマイマイ): B. pellucida Kuroda et Habe in Habe,1953 (コハクオナジマイマイ, endemic to Japan)
Euhadra Pilsbry,1890 (マイマイ): E. peliomphala (Pfeiffer, 1850) (ミスジマイマイ), south to Kanto District, E. brandtii (Kobelt, 1875), Kanto and Tohoku District, sapporo (Ijima, 1891) (サッポロマイマイ), southwestern Hokkaido (NT)

snail
The anatomy of land snail. 1. shell, 2. liver, 3. lung, 4. anus, 5. respiratory pore, 6. eye, 7. tentacle, 8. cerebral ganglia, 9. salivary duct, 10. mouth, 11. crop, 12. salivary gland, 13. genital pore, 14. penis, 15. vagina, 16. mucous gland, 17. oviduct, 18. dart sac, 19. foot, 20. stomach, 21. kidney, 22. mantle, 23. heart, 24. vas deferens

Articulata (体節動物)


= annelida + pararthropoda + euarthropoda

Phylum Annelida (環形動物門), annelids


Class Polychaeta (多毛)

Subclass Canalipalpata

Order Sabellida (ケヤリムシ)
= formerly phyla Pogonophora + Vestimentifera (∴ syn. Pogonophora and Vestimentifera)
Oweniidae
Sabellariida
Sabellidae
Serpulidae
Siboglinidae シボグリヌム
Osedax
Frenulata group
Sclerolinum
Vestimentifera group

Alaysia, Arcovesia, Escarpia, Lamellibrachia (ハオリムシ, tube worm), Oasisia, Ridgeia, Riftia, Tevnia

tube
Fig. Morphology of a tube worm hosting
sulphide-oxidizing symbionts (bacteria)

Phylum Arthropoda (節足動物)


Class Insecta (= Hexapoda), 昆虫 insects

Class Arachnida (クモ)

Order Pseudoscorpiones (= Chelonethi) カニムシ
book-scorpions, false scorpions
Order Scorpiones サソリ
scorpions
Order Thelyphonida (≈ Pedipalpi) サソリモドキ
scorpion-spiders
Typopeltis サソリモドキ
Order Schizomida ヤイトムシ
Schizomus ヤイトムシ
Order Amblypygi ウデムシ(カニムシモドキ)
treated as suborder Amblypygi under Pedipalpi
Order Palpigradi コヨリムシ
micro-whip-scorpions, or microscorpions
Order Ricinulei クツコムシ
Order Solifugae ヒヨケムシ
false spiders, sun spiders or wind scorpions
Order Opiliones (= Phalangida) ザトウムシ
After Devonian, 4000 species in the present world
Order Araneae クモ(真正クモ)
spider
Suborder Mesothelae 中疣類
Liphistiidae ハラフシグモ: Heptahela キムラグモ
Suborder Opisthothelae 後疣
Araneidae コガネグモ: Araneus = Epeira オニグモ: A. ventricosus オニグモ
Theraphosidae オオツチグモ: Avicularia (= Mygale) オオツチグモ(トリトリグモ) bird-spider Fornicephalae トタテグモ: Latocuhia (= Kishinouyeus トタテグモ tradoor-spider, Atypidae ジグモ: Latouchia ジグモ purse-web spider
Chiracanthiidae (コマチグモ): Chiracanthium japonicum Boesenberg et Strand カバキコマチグモ: ススキ草原
Order Acari Leach 1817 ダニ
Vermin (害虫): Ticks inhabit forests, woodlands and grasslands where large mammmals are sensely distributed. Pain and swelling keep feeling for a few days during they suck blood.
Eriophyidae Nalepa 1898 (フシダニ, gall mite): > 200 species. ⇒ galls on Alnus hirsta leaves

Phylum Pogonophora (有鬚動物, beard worms)


Revision
= former phyla Pogonophora (giant tube worms) + Vestimentifera
Classical classification (内田 1965)

Class Pogonophora (有髭)

Order Athecanephria (無鞘腎)
Oligobrachia, Siboglinum
Order Thecanephria (有鞘腎)
Heptabrachia, Lamellisabella, Spirobrachia
フッター