Scheme of the Classification Adopted in This Volume

The names of extinct groups are printed in italics.

CRUSTACEA (p. ).

ENTOMOSTRACA (p. ).

Divisions. Orders. Sub-Orders. Tribes. Families.

Branchiopoda (p. ) Phyllopoda (pp. , ) Branchipodidae (pp. , ).

Apodidae (pp. , ).

Limnadiidae (pp. , ).

Cladocera (p. ) Calyptomera (pp. , ) Ctenopoda (p. ) Sididae (p. ).

Holopediidae (p. ).

Anomopoda (p. ) Daphniidae (p. ).

Bosminidae (p. ).

Lyncodaphniidae (p. ).

Lynceidae = Chydoridae (p. ).

Gymnomera (pp. , ) Polyphemidae (p. ).

Leptodoridae (p. ).

Divisions. Orders. Sub-Orders. Tribes. Families.

Copepoda (p. ) Eucopepoda (p. ) Gymnoplea (p. ) Amphascandria (p. ) Calanidae (p. ).

Heterarthrandria (p. ) Centropagidae (p. ).

Candacidae (p. ).

Pontellidae (p. ).

Podoplea (p. ) Ampharthrandria (p. ) Cyclopidae (pp. , ).

Harpacticidae (pp. , ).

Peltiidae (p. ).

Monstrillidae (p. ).

Ascidicolidae (p. ).

Asterocheridae (p. ).

Dichelestiidae (p. ).

Isokerandria (p. ) Oncaeidae (p. ).

Corycaeidae (p. ).

Lichomolgidae (p. ).

Ergasilidae (p. ).

Bomolochidae (p. ).

Chondracanthidae (p. ).

Philichthyidae (p. ).

Nereicolidae (p. ).

Hersiliidae (p. ).

Caligidae (p. ).

Lernaeidae (p. ).

Lernaeopodidae (p. ).

Choniostomatidae (p. ).

Branchiura (P. ) Argulidae (p. ).

Cirripedia (p. ) Pedunculata (p. ) Polyaspidae (p. ).

Pentaspidae (p. ).

Tetraspidae (p. ).

Anaspidae (p. ).

Operculata (p. ) Verrucidae (p. ).

Octomeridae (p. ).

Hexameridae (p. ).

Tetrameridae (p. ).

Acrothoracica (p. ).

Ascothoracica (p. ).

Apoda (p. ).

Rhizocephala (p. ).

Ostracoda (p. ) Cypridae (p. ).

Cytheridae (p. ).

Halocypridae (p. ).

Cypridinidae (p. ).

Polycopidae (p. ).

Cytherellidae (p. ).

MALACOSTRACA (p. ).

LEPTOSTRACA (p. )

Phyllocarida (p. ).

Divisions. Orders. Sub-Orders. Tribes Families.

EUMALACOSTRACA (p. ).

Syncarida (p. ) Anaspidacea (p. ) Anaspididae (p. ).

Koonungidae (p. ).

Peracarida (p. ) Mysidacea (p. ) Eucopiidae (p. ).

Lophogastridae (p. ).

Mysidae (p. ).

Cumacea (p. ) Cumidae (p. ).

Lampropidae (p. ).

Leuconidae (p. ).

Diastylidae (p. ).

Pseudocumidae (p. ).

Isopoda (p. ) Chelifera (p. ) Apseudidae (p. ).

Tanaidae (p. ).

Flabellifera (p. ) Anthuridae (p. ).

Gnathiidae (p. ).

Cymothoidae (p. ).

Cirolanidae (p. ).

Serolidae (p. ).

Sphaeromidae (p. ).

Valvifera (p. ) Idotheidae (p. ).

Arcturidae (p. ).

Asellota (p. ) Asellidae (p. ).

Munnopsidae (p. ).

Oniscoida (p. ).

Epicarida (p. ) Cryptoniscina (pp. , ) Microniscidae (p. ).

Cryptoniscidae (p. ).

Liriopsidae (p. ).

Hemioniscidae (p. ).

Cabiropsidae (p. ).

Podasconidae (p. ).

Asconiscidae (p. ).

Bopyrina (pp. , , ) Dajidae (p. ).

Phryxidae (p. ).

Bopyridae (pp. , ).

Entoniscidae (pp. , ).

Phreatoicidea (p. ) Phreatoicidae (p. )

Amphipoda (p. ) Crevettina (p. ) Lysianassidae (p. ).

Haustoriidae (p. ).

Gammaridae (p. ).

Talitridae (p. ).

Corophiidae (p. ).

Laemodipoda (p. ) Caprellidae (p. ).

Cyamidae (p. ).

Hyperina (p. ).

Hoplocarida (p. ) Stomatopoda (p. ) Squillidae (p. ).

Eucarida (p. ) Euphausiacea (p. ) Euphausiidae (p. ).

Decapoda (p. ) Macrura (p. ) Nephropsidea (p. ) Nephropsidae (p. ).

Astacidae (p. ).

Parastacidae (p. ).

Eryonidea (p. ) Eryonidae (p. ).

Peneidea (pp. , ) Peneidae (p. ).

Sergestidae (p. ).

Stenopodidae (p. ).

Caridea (pp. , ) Pasiphaeidae (p. ).

Acanthephyridae (p. ).

Atyidae (p. ).

Alpheidae (p. ).

Psalidopodidae (p.164).

Pandalidae (p. ).

Hippolytidae (p. ).

Palaemonidae (p. ).

Glyphocrangonidae (p. ).

Crangonidae (p. ).

Loricata (p. ) Palinuridae (p. ).

Scyllaridae (p. ).

Thalassinidea (p. ) Callianassidae (p. ).

Anomura (p. ) Galatheidea (p. ) Aegleidae (p. ).

Galatheidae (p. ).

Porcellanidae (p. ).

Hippidea (p. ) Albuneidae (p. ).

Hippidae (p. ).

Paguridea (p. ) Pylochelidae (p. ).

Paguridae (p. ).

Eupagurinae (p. ).

Pagurinae (p. ).

Coenobitidae (p. ).

Lithodidae (p. ).

Hapalogastorinae (p. ).

Lithodinae (p. ).

Brachyura (p. ) Dromiacea (p. ) Dromiidae (p. ).

Dynomenidae (p. ).

Homolidae (p. ).

Oxystomata (p. ) Calappidae (p. ).

Leucosiidae (p. ).

Dorippidae (p. ).

Raninidae (p. ).

Cyclometopa (p. ) Corystidae (p. ).

Atelecyclidae (p. ).

Cancridae (p. ).

Portunidae (p. ).

Xanthidae (p. ).

Thelphusidae = Potamonidae (p. ).

Oxyrhyncha (p. ) Maiidae (p. ).

Parthenopidae (p. ).

Hymenosomatidae (p. ).

Catometopa (p. ) Carcinoplacidae (p. ).

Gonoplacidae (p. ).

Pinnotheridae (p. ).

Grapsidae (p. ).

Gecarcinidae (p. ).

Ocypodidae (p. ).

TRILOBITA (p. ).

Families
Agnostidae (p. ).
Shumardiidae (p. ).
Trinucleidae (p. ).
Harpedidae (p. ).
Paradoxidae (p. ).
Conocephalidae = Conocoryphidae (p. ).
Olenidae (p. ).
Calymenidae (p. ).
Asaphidae (p. ).
Bronteidae (p. ).
Phacopidae (p. ).
Cheiruridae (p. ).
Proëtidae (p. ).
Encrinuridae (p. ).
Acidaspidae (p. ).
Lichadidae (p. ).

ARACHNIDA (p. ).

DELOBRANCHIATA = MEROSTOMATA (pp. , ).

Orders. Sub-Orders. Families. Sub-Families.

Xiphosura (pp. , , ) Xiphosuridae (p. ) Xiphosurinae (p. ).

Tachypleinae (p. ).

Eurypterida = Gigantostraca (pp. , ) Eurypteridae (p. ).

EMBOLOBRANCHIATA (pp. , ).

Scorpionidea (pp. , ) Buthidae (p. ) Buthinae (p. ).

Centrurinae (p. ).

Scorpionidae (p. ) Diplocentrinae (p. ).

Urodacinae (p. ).

Scorpioninae (p. ).

Hemiscorpioninae (p. ).

Ischnurinae (p. ).

Chaerilidae (p. ).

Chactidae (p. ) Megacorminae (p. ).

Euscorpiinae (p. ).

Chactinae (p. ).

Vejovidae (p. ).

Bothriuridae (p. ).

Pedipalpi (pp. , ) Thelyphonidae (p. ).

Schizonotidae = Tartaridae (p. ).

Tarantulidae = Phrynidae (p. ) Tarantulinae (p. ).

Phrynichinae (p. ).

Charontinae (p. ).

Araneae (pp. , ) Liphistiidae (p. ).

Aviculariidae = Mygalidae (p. ) Paratropidinae (p. ).

Actinopodinae (p. ).

Miginae (p. ).

Ctenizinae (p. ).

Barychelinae (p. ).

Aviculariinae (p. ).

Diplurinae (p. ).

Atypidae (p. ).

Filistatidae (p. ).

Oecobiidae = Urocteidae (p. ).

Sicariidae = Scytodidae (p. ).

Hypochilidae (p. ).

Leptonetidae (p. ).

Oonopidae (p. ).

Hadrotarsidae (p. ).

Dysderidae (p. ) Dysderinae (p. ).

Segestriinae (p. ).

Caponiidae (p. ).

Prodidomidae (p. ).

Drassidae (p. ) Drassinae (p. ).

Clubioninae (p. ).

Liocraninae (p. ).

Micariinae (p. ).

Palpimanidae (p. ).

Eresidae (p. ).

Dictynidae (p. ).

Psechridae (p. ).

Zodariidae = Enyoidae (p. ).

Hersiliidae (p. ).

Pholcidae (p. ).

Theridiidae (p. ) Argyrodinae (p. ).

Episininae (p. ).

Theridioninae (p. ).

Phoroncidiinae (p. ).

Erigoninae (p. ).

Formicinae (p. ).

Linyphiinae (p. ).

Epeiridae (p. ) Theridiosomatinae (p. ).

Tetragnathinae (p. ).

Argiopinae (p. ).

Nephilinae (p. ).

Epeirinae (p. ).

Gasteracanthinae (p. ).

Poltyinae (p. ).

Arcyinae (p. ).

Uloboridae (p. ) Dinopinae (p. ).

Uloborinae (p. ).

Miagrammopinae (p. ).

Archeidae (p. ).

Mimetidae (p. ).

Thomisidae (p. ) Thomisinae = Misumeninae (p. ).

Philodrominae (p. ).

Sparassinae (p. ).

Aphantochilinae (p. ).

Stephanopsinae (p. ).

Selenopinae (p. ).

Zoropsidae (p. ).

Platoridae (p. ).

Agelenidae (p. ) Cybaeinae (p. ).

Ageleninae (p. ).

Hahniinae (p. ).

Nicodaminae (p. ).

Pisauridae (p.416).

Lycosidae (p. ).

Ctenidae (p. ).

Senoculidae (p. ).

Oxyopidae (p. ).

Attidae = Salticidae (p. ).

Palpigradi (pp. , ).

Solifugae = Solpugae (pp. , ) Galeodidae (p. ).

Solpugidae (p. ) Rhagodinae (p. ).

Solpuginae (p. ).

Daesiinae (p. ).

Eremobatinae (p. ).

Karshiinae (p. ).

Hexisopodidae (p. ).

Chernetidea = Chernetes = Pseudoscorpiones (pp. , ) Cheliferinae (p. ). Cheliferidae (p. )

Garypinae (pp. , ).

Obisiinae (pp. , ).

Podogona = Ricinulei (pp. , ) Cryptosteinmatidae (p.440).

Phalangidea = Opiliones (pp. , ) Cyphophthalmi (p. ) Sironidae (p. ).

Mecostethi = Laniatores (p. ) Phalangodidae (p. ).

Cosmetidae (p. ).

Gonyleptidae (p. ).

Plagiostethi = Palpatores (p. ) Phalangiidae (p. ) Sclerosomatinac (p.449).

Phalangiinae (p. ).

Ischyropsalidae (p. ).

Nemastomatidae (p. ).

Trogulidae (p. ).

Acarina = Acari = Acaridea (pp. , ) Vermiformia (p. ) Eriophyidae = Phytoptidae (p. ).

Demodicidae (p. ).

Astigmata (p. ) Sarcoptidae (p. ) Sarcoptinae (p. ).

Analgesinae (p. ).

Tyroglyphinae (p. ).

Metastigmata (p. ) Oribatidae (p. ).

Ixodoidea (p. ) Argasidae (p. ).

Ixodidae (p. ).

Gamasidae (p. ) Gamasinae (p. ).

Dermanyssinae (p. ).

Heterostigmata (p. ) Tarsonemidae (p. ).

Prostigmata (p. ) Bdellidae (p. ).

Halacaridae (p. ).

Hydrachnidae (p. ).

Trombidiidae (p. ) Limnocharinae (p. ).

Caeculinae (p. ).

Tetranychinae (p. ).

Cheyletinae (p. ).

Erythraeinae (p. ).

Trombidiinae (p. ).

Notostigmata (p. ) Opilioacaridae (p. ).

Orders.

TARDIGRADA (pp. , ).
PENTASTOMIDA (pp. , ).

PYCNOGONIDA = PODOSOMATA = PANTOPODA (p. ).

Families.

Decolopodidae (p. ).
Colossendeidae = Pasithoidae (p. ).
Eurycididae = Ascorhynchidae (p. ).
Ammotheidae (p. ).
Rhynchothoracidae (p. )
Nymphonidae (p. ).
Pallenidae (p. ).
Phoxichilidiidae (p. ).
Phoxichilidae (p. ).
Pycnogonidae (p. ).