276 ECHINODERMATA. 



CLASS ECHINODERMATA. 



ORDER CRINOIDEA. 



FAMILY ACROCRINID^.— Acrocrinus. 



FAMILY ACTINOCRINID^E.— Actinocrinus, Agaricocrinus, Alloprosallocrinus, Am- 



phoraerinus, Batocrinus, Ctelocrinus, Dorycrinus, Eretmocrinus, Gennseocrinus, 



Megistocrinus, Physetocrinus, Saccocrinus, Steganocrinus, Stereocrinus, Stroto- 



crinus, Teleiocrinus. 

 FAMILY ALLAGECRINID^E.— Allagecrinus. 

 FAMILY ANCYROCRINID^E.— Ancyrocrinus. 

 FAMILY BELEMNOCRINID^.-Belemnocrinus. 

 FAMILY CALCEOCRINLTLE.— Calceocrinus, Eucheirocrinus. 

 FAMILY CALYPTOCRINID^E.— Eucalyptocrinus, Hypanthocrinus. 

 FAMILY CUPRESSOCRINID^E.— Aspidocrinus, Edriocrinue, Synbathocrinus. 

 FAMILY CYATHOCRINID^E.— Ampheristocrinus, Arachnocrinus, Barycrinus, Cara- 



bocrinus, Cyathocrinus, Mpterocrinus, Pachyocrinus, Palfeocrinus, Vasocrinus. 

 FAMILY DIMEROCRINID^E.— Cytocrinus, Dolatocrinus, Macrostylocrinus. 

 FAMILY GASTEROCOMID^E.— Myrtillocrinus. 

 FAMILY GLYPTOCRINID.E.— Archadocrinus, Cupulocrinns, Glyptaster, Glypto- 



crinus, Lampterocrinus, Retiocrinus, Xenocrinus. 

 FAMILY HAPLOCRINID^.— Coccocrinus, Haplocrinus. 



FAMILY HETEROCRLNTD^E.— Erisocrinus, Graphiocrinus, Hetei*ocrinus, Iocrinus. 

 FAMILY HYBOCRLSriDJE.— Anomalocrinus, Hybocrinus. 

 FAMILY ICHTHYOORINID^E.— Cleiocrinus, Homalocrinus, Ichthyocrinus, Lecan- 



ocrinus, Mespilocrinus. 

 FAMILY MELOCRINTD^E. — Ctenocrinus, Mariacrinus, Melocrinus, Technocrinus. 

 FAMILY PISOCRINID^E.— Catillocrinus, Pisocrinus. 

 FAMILY PLATYCRINID./E.— Cordylocrinus, Cotyledonocrinus, Dichocrinus, Euclad- 



ocrinus, Marsupiocrinus, Platycrinus, Pterotocrinus, Talarocrirms. 

 FAMILY POTERIOCRINIDJE— Agassizocrinus, Bursacrinus, Coeliocrinus, Cromyo- 



crinus, Decadocrinus, Dendrocrinus, Eupachycrinus, Homocrinue, Hydreiono- 



crinus, Pachy Iocrinus, Parisocrinus, Porocrinus, Poteriocrinus, Scaphiocrinus, 



Scytalocrinus, Zeacrinus. 

 FAMILY RHODOCRINIDiE. — Goniasteroidocrinus, Hadrocrinus, Lyriocrirms, Rho- 



docrinus, Thysanocrinus. 

 FAMILY STELIDOCRINID^.— Schizocrinus. 



FAMILY TAXOCRINID^E.— Forbesiocrinus, Onychocrinus, Taxocrinus. 

 FAMILY AFFINITY UNCERTAIN.— Brachiocrinus, Closterocrinus, Cystocrinus, 



Dictyocrinus, Syringocrinus. 



ORDER CYSTOIDEA. 



FAMILY AMYGDALOCYSTID^E.— Amygdalocystites, Malocystites, Palseocystites. 

 FAMILY ANOMALOCYSTID^E.— Anomalocystites, Ateleocystites. 

 FAMILY CARYOCRINID^E.— Caryocrinus, Heterocystites. 

 FAMILY COMAROCYSTIDJE.— Comarocystites. 

 FAMILY ECHINOCYSTID^E.— Echinocystites. 



