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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 slug
Order Stylommatophora (柄眼)
terrestrial
Testacellidae (カサカムリナメクジ, shelled slug)
Testacella Cuvier 1800
Limacoidea (コウラナメクジ)
Limax: L. maximus L. 1758 (マダラコウラナメクジ)
Lehmannia: L. valentiana (syn. Ambigolimax valentianus, チャコウラナメクジ - exotic)
Deroceras: D. larvae (ノハラナメクジ - exotic)
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 (arthropod, 節足動物)


Subphylum Triopoda

Class Trilobita (三葉虫)

extinct

Subclass Chelicerata (鋏角亜門)

Class Arachnida (spiders and scorpions, 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 (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) (bird-spider, オオツチグモ/トリトリグモ)
Fornicephalae トタテグモ: Latocuhia = Kishinouyeus (tradoor-spider, トタテグモ)
Atypidae (ジグモ): Latouchia (purse-web spider, ジグモ)
Chiracanthiidae (コマチグモ): Chiracanthium japonicum Boesenberg et Strand (カバキコマチグモ): Miscanthus sinensis grassland
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 (gall mite, フシダニ): > 200 species. ⇒ galls on Alnus hirsta leaves

Class Merostomata (horseshoe crabs, 節口綱)

Class Pycnogonida (sea spiders, 海蜘蛛綱)

Subphylum Myriapoda (多足類)

Class Chilopoda (centipedes, 唇脚綱)

Order Scutigeromorpha (ゲジ)
Order Lithobiomorpha (イシムカデ)
Order Craterostigmomorpha (ナガズイシムカデ)
Order Scolopendromorpha (オオムカデ)
Order Geophilomorpha (ジムカデ)

Class Diplopoda (millipedes, 倍脚綱)

Class Pauropoda (少脚綱)

Class Symphyla (結合綱)

Subphylum Crustacea

Class Branchiopoda (brine shrimps)

Class Remipedia (bind crustaceans)

Class Cephalocarida (horseshoe shrimps)

Class Maxillopoda (barnacles)

Class Ostracoda (seed shrimps)

Class Malacostraca (robsters, crabs and shrimps, 軟甲)

*: extinct

Subclass Phyllocarida Packard 1879 (コノハエビ)

Order Archaeostraca Claus 1888*
Order Hoplostraca Schram 1973*
Order Leptostraca Claus 1880 (薄甲)

Subclass Hoplocarida Calman 1904 (棘蝦)

Order Aeschronectida Schram 1969*
Order Archaeostomatopoda Schram 1969*
Order Stomatopoda Latreille 1817

Subclass Eumalacostraca Grobben 1892 (真軟甲)

Superorder Syncarida Packard 1885
Order Palaeocaridacea Brooks 1979*
Order Bathynellacea Chappuis 1915
Order Anaspidacea Calman 1904
Superorder Peracarida Calman 1904 (フクロエビ)
Order Spelaeogriphacea Gordon 1957
Order Thermosbaenacea Monod 1927
Order Lophogastrida Sars 1870
Order Mysida Haworth 1825
Order Mictacea Bowman et al. 1985
Order Amphipoda Latreille 1816
sow bug
Order Isopoda Latreille, 1817 (ワラジムシ)
Porcellionidae (sow bug, ワラジムシ)
Porcellio scaber Latreille 1804 (ワラジムシ), south to Central Honshu
Order Tanaidacea Dana 1849
Order Cumacea Krøyer 1846
Superorder Eucarida Calman 1904 (ホンエビ)
Order Euphausiacea Dana 1852
Order Amphionidacea Williamson 1973
Order Decapoda Latreille 1802

Subphylum Hexapoda (六脚類)

Class Insecta (insects, 昆虫)

Class Entognatha (wingless insects, 内顎類)

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
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