57 Arthropoda 



Class Subcl Order 

 SYMPHYLA 



Cephalostigmata 

 DIPLOPODA ^^ 



Pselaphognatha {Penicillata) 

 Ancyrotricha 

 Lophotricha 

 Chilognatha ^°° 



Limacomorpha 



Oniscomorpha (Armadillomorpha) 

 Ascospermophora 

 Colobognatha ( Platydesmijormia ) 

 Nematophora (Merochaeta) 

 Proterospermophora 

 Opisthospermophora 

 Protosyngnatha 



Protosyngnatha 

 Archipolypoda 



Palaeocoxopleura (Macrosterni) 

 CHILOPODA (Syngnatha) 



Pleurostigmophora "^ (Pleurosdgma) 



Geophilomorpha (Geophylomorpha) 

 Scolopendromorpha 

 Lithobiomorpha 

 Craterostigma 

 Notostigmophora (Notostigma) 

 Scutigeromorpha 

 INSECT A ^°2 (Hexapoda) 



Apterygota (Synaptera, Apterygogenea, Aptera) 



Protura {Myrientomata, Mirientomata, Frothy sanura, 



Panprotura, Ellipura, Anamerentoma) 

 Thy sanura {Ectotrophi, Ectognatha) 

 Entotrophi (Entognatha, Diplura, Campodeoidea, Ho- mio-rec 

 lomerentoma, Panthy sanura, Dicellura) 

 ^^ Includes: Eurysterna, Paleomorpha. 



'^^° Includes: Opisthandria, Proterandria, Eugnatha, Polydesmoidea, Juliformia. 

 ^°^ Anamorpha = craterostigma + lithobiomorpha. Epimorpha = geophil- 

 omorpha + scolopendromorpha. 



^°^ Includes extinct orders: Sypharopteroidea, Archodonata, Perielytrodea, 

 Protephemerida, Eubleptidodea, Syntonopteroidea, Permoneurodia. Pterygota 

 (Pterygogenea) = exopterygota + endopterygota. Palaeoptera = palaeo- 



DICTYOPTERA + MEGASECOPTERA + PROTOHEMIPTERA + PROTODONATA + ODONATA 

 + EPHEMERIDA. Neoptcra = EXOPTERYGOTA (eXCCpt PALAEOPTERA) + ENDOPTERY- 

 GOTA. Euentomata = diplura + ectotrophi + pterygota. 



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