49 

 Class 



Gordiacea — Mollusca 



Subcl Order 



BRACHIOPODA'^ 



INARTICULATA (Ecardines, Lyopomata, Pleuropygia, Gastrocau- cam-rec 



lia, Tretenterata, Sarcobranchiata) 



Atremata cam-rec 



Neotremata cam-rec 



ARTICULATA (Testicardines, Arthropomata, Apygia, Pygocaulia, cam-rec 



Clistenterata) 



Palaeotremata {Paleotremata) CAM 



Protremata ^® cam-rec 



Telotremata " cam-rec 



MOLLUSCA ^« 



MONOPLACOPHORA ^^ {Protogastropoda, Amphigastropoda) cam-rec 



Tryblidioidea {Tryblidiacea) cam-rec 



Archinacelloidea cam-sil 



Cambridioidea cam 



AMPHINEURA ^° (Aculifera, Polyplacophora, Loricata, Crept- cam-rec 



poda, Polyplakiphora, Polyplaxiphora, Placophora, 



Polybranchiata, Lamellata, Lepidoglossa) 



Paleoloricata cam-cre 



Neoloricata car-rec 



APLACOPHORA {Solenogastres, Telobranchia, Scolecomorpha) rec 



Neomeniida (Neomeniomorpha) rec 



Chaetodermatida (Chaetodermomorpha) rec 



GASTROPODA*'^ {Anisopleura, Paracephalophora, Pselapho- cam-rec 



cephala) 



Prosobranchia (Streptoneura, Cochlides) cam-rec 



Archaeogastropoda ^^ cam-rec 



PHOPODA. Stenolaemata = amphineura + gastropoda + bivalvia + scaphopoda. 

 Prorhipidoglossomorpha = gastropoda + bivalvia + scaphopoda. Isopleura = 



MONOPLACOPHORA + AMPHINEURA + APLACOPHORA. 



^® Includes: Cynostraca, Cochliostraca. 



^^ Includes: Lepidopleurida, Chitonida, Eoplacophora, Isoplacophora, Meso- 

 placophora, Teleoplacophora. 



'^^ Also spelled: Gasteropoda, Gastraeopoda, Gasteropodophora, Gasterozoa. 

 Includes: Spironotia. Euthyneura (Androgyna, Platymalakia) = opisthobranchia 

 + pulmonata, 



'^'^ Includes: Scutibranchia, Aspidobranchiata, Diotocardia, Bellerophontacea, 

 Cyclobranchia, Zygobranchia, Docoglossa, Rhipidoglossa. 



