BIOLOGICAL CLASSIFICATION. 1425 



Order Proparia. 



Family Encrinured.e Angelin. 



Cybeloides Slocom, Encrinurus Emmrich. 



Family Calymenid^e Milne-Edwards. 



Calymene Brongniart, Calymenella Bergeron, Frammia Holtedahl, Ilomalonotua 

 Koenig, Synhomalonotua Pompeckj, Trimerus Green. 



Family Cheirurid/E Salter. 



Anacheirurua Reed, Ceraurinua Barton, Ceraurus Green, Cheirurus Beyrich, Deiphon 

 Barrande, Heliomera Raymond, Nieszkowskia Schmidt, Pliomerops Raymond, 

 Pseudosphaerexoclnis Schmidt, Sphaerexochua Beyrich, Sphaerocoryphe Angelin, 

 Staurocephalus Barrande. 



Family Phacoph>,e Corda. 



Chasmops McCoy, Dalmanitea Barrande, Phacopidclla Reed, Phacopa Emmrich 

 Pterygometopus Schmidt. 



unplaced genera. 



Anomocare Angelin, Anomocarella Walcott, Arionellus Barrande, Clelandia < 

 man, Dolichometopus Angelin, Endymionia Billings, Goniurua Raymond, IIolo- 

 metopus Angelin, Hungaia Walcott, Leiostegium Raymond, Lisania Walcott 

 Leviaia Walcott, Leptoplastus Angelin, Lloydia Vogdes, Menocephalua Owen 

 Pagodia Walcott, Ptychaspis Hall, Telephus Barrande, Thysanopyge Kayser. 



Class EUCRUSTACEA. 



Superorder BRANCHIOPODA. 



Order NoTOSTRACA. 



Eopteria Billings, Euchasma Billings, Iachyrinia Hillings, Ribeirolla Shubert and 

 Waagen, Ribeiria Sharpe, Tfechnophorua Miller. 



Superorder OSTRACODA. 



Family LeperditiiD/E Jones. 



Aparchites Jones, Isochilina Ulrich, Leperditella Qlrich, Leperditia Roualt, Schmidt- 

 ella Ulrich. 



Family Beyrichiid^e Jones. 



Aechmina Jones and IIoll, Beyrichia McCoy, Bollia Jones and IToll, Ceratopsis Ulrich, 

 Ctenobolbina Ulrich, Dicranella Ulrich, Dilobella 1 Inch, Drepanella Ulrich, 

 Eurychilina Ulrich, Halliella Ulrich, Jonesella Ulrich, Kloedenella Qlrich i 

 Bassler, Kloedenia Jones and IIoll, Macronotella Ulrich, Mesomphalus Ulrich and 

 Bassler, Moorca Jones and Kirkby, Placentula Jones and IIoll, Primitia Jon< 

 Holl, Primitiella Ulrich, Scofieldia I Irich and Bassler, Strepula Jones and IIoll, 

 Tetradella Ulrich, Ulrichia Jones. , 



Family Thlipsurid^e Jones. 



Octonaria Jones, Thlipsura Jones and IIoll. 



Family Cyprid.e Zenker. 



Bairdia Bosquet, Bythocypris Brady, Cytheropsis McCoy, Erausella Ulrich, Macro- 

 cypris Brady, Pontocypris Sara. 



Family Cytherellid/E Sars. 



Cytherella Jones, Cytherellina Jones and Holl, Pachydomella Ulrich. 



