5o8 



FOSSIL BRACHIOPODA 



CHAP, 



Palaeozoic 



Mesozoic 



ECARDIXES 



Lingulidae 

 Obolidae 



Discinidae 



Craniidae 



Trimerellidae 



Lingula . . 

 Lingulella . 

 O bolus . . 

 (Jbolella . 

 Kutorgina . 

 Linnarssonia 

 Trematis . 

 Siphonotreta 

 Acrotreta 

 Discina . 

 Crania . 

 Trimerella 

 Dinobolus 



Testicardines 



Productidae 

 Strophomenidae 



Koninckinidae 

 Spiriferidae 



Atrypidae 

 Rhynchonellidae 



Terebratulidae 



Argiopidae 



Stringocephalidae 

 Thecidiidae 



Productus . 

 Chonetes . 

 Strophalosia 

 Orthis . . 

 Skenidium . 

 Clitambonites 

 Strophomena 

 Stropheodonta 

 Leptaena . 

 Orthothetes 

 Davidsonia 

 Koninckina 

 Koninckella 

 Spirifera . 

 Spiriferina . 

 Cyrtia . . 

 Syriugothyris 

 Uncites . . 

 Athyris . 

 Merista . . 

 Retzia . 

 Atrypa . . 

 Dayia . . 

 Coelospira . 

 Rhynchonella 

 Stenochisma 

 Stricklandia 

 Conchidium 

 Terebratula 

 Terebratulina 

 Waldheimia 

 Terebratella 

 Kingena 

 Magas . 

 Centronella 

 Argiope . . 

 Cistella . . 

 Stringocephalus 

 Thecidium . 

 Oldhamina 



