68 BRITISH PALEOZOIC ASTEROZOA. 



Class STELLEROIDEA. 



Sub-class Asteroidea. 



PHANEROZONIA, Sladen. 



Supei-familj Prouiopalseasteracea, Schucliert. 



Family Hudsonasteridse, Schucliert. Genera : Hudsoii aster, Stiirlz (sju. Protopaloeaster, 



Hudson), Silur aster, Jaekel. 

 Family Palseasteridge, Gregory. Genera: Palieaster, Hall, AudraJaster, Sclmehert. 

 Family Promopalseasteridse, Schucliert. 



Sub-family Mesopalseasterinse, Schuchert. Genera: Mesopalseaster, Schucliert (? syn. 

 Argaster, Hall), Spaviaster, Schondorf (syn. Coelaster, Sandberger), Miomaster, 

 Schondorf, Devonaster, Schuchert. 

 Sub-family Promopalseasterinse, Schuchert. Genus : Promopalseaster, Schuchert. 

 Sub-family Anorthasterinse, Schuchert. Genus : Aaortliader, Schuchert. 

 • Family Xenasteridse, Schondorf. Genera : Xeiiaster, Sinionovitsch (syn. Arclneasterias, 

 '^\\\\er) , Agalmaster ^ Schondorf, i?/ienas<er, Schondorf, ii/(/e/as<er, Schondorf, Trimeraster, 

 Schondorf. 

 Family Neopalseasteridse, Schuchert. Genus : Neopalseaster, Schuchert. 

 Super-family Palasterinacea, Schuchert. 



Family Palasterinidse, Gregory. Genus : Petraster, Billings, Lindstrumaster, Gregory (syn. 

 Hisingeraster, Stiirtz), Palasterina, Salter, JJranaster, Gregory, Paheostella, Stiirtz 

 (syn. Paleenectria, Stiirtz), Pseudopalasterina, Stiirtz. 

 Super-family Lepidasteracea, Schuchert. 



Family Lepidasteridse, Gregory. Genera : Lepidaster, Forbes, Helianthaster, Eoemer, 

 Lepidasterella, Schuchert. 



Relationship unknown. 

 Ataxaster, Jaekel. 



CETPTOZONIA, Sladen. 



Super-family Stenasteracea, Schuchert. 



Family Stenasteridse, Schuchert. Genera : Stenaster, Billings, Tetraster, Nicholson and 



Etheridge. 

 Family Monasteridae, Schuchert. Genus: ilf owasfer, Etheridge (syn. Etheridgaster, Gregory). 

 Super-family Urasterellacea, Schuchert. 



Family TJrasterellidae, Schuchert. Genus : Urasterella, McCoy (syn. Rcemeraster, Protastera- 



canthion and Salteraster, Stiirtz). 

 Family Calliasterellidse, Schuchert. Genus : CalUasterella, Schuchert (syn. Calliaster, 



Trautschold) . 

 Family Compsasteridse, Schuchert. Genera : Jaekelaster, Stiirtz, Compsaster, Worthen and 

 Miller. 

 Super-family Schuchertiacea, Schuchert. 



Family Schuchertiidse, Schuchert. Genus : Schuchertia, Gregory (syn. Trentonaster, Stiirtz). 

 Family Palasteriscidse, Gregory. Genera : Palasteriscus, Stiirtz, Echinasterella, Stiirtz, 



Loriolaster, Sturtz, Cheiropter aster, Stiirtz. 

 Family Schoenasteridse, Schuchert. Genus : Schcenaster, Meek and Worthen. 



