276 ECHIKODERMATA. 



CLASS ECHIISrODERMATA. 



ORDER CRINOIDEA. 



FAMILY ACROCRINID^.— Acrocrinus. 



FAMILY ACTINOCRINIDJE.— Actinocrinus, Agaricocrinus, Alloprosallocrinus, Am- 

 phoracrinus, Batocrinus, Coelocrinus, Dorycrinus, Eretmocrinus, Gennseocrinus, 

 Megistocrinus, Physetocrinus, Saccocrinus, Steganocrinus, StereocrinuB, Stroto- 

 crinus, Teleiocrinus. 

 FAMILY ALLAGECRIN'ID^.— Allagecrinus. 

 FAMILY AISTCYROCRINID^.— Ancyrocrinus. 

 FAMILY BELEMNOCRINID^.— Belemnocrinus. 

 FAMILY CALCEOCRINID^.— Calceocrinus, Eucheirocrinns. 

 FAMILY CALYPTOCRINID^.— Eucalyptocrinus, Hypanthocrinus. \ 

 FAMILY CUPRESSOCRINID^.— Aspidocrinns, Edriocrinus, Synbathocrinus. 

 FAMILY CYATHOCRINIDJE.— Ampheristocrinus, Arachnocrinus, Barycrinus, Cara- 

 bocrinus, Cyathocrinus, Kipterocrinus, Pachyocrinus, Palaebcrinus, Vasocrinus. 

 FAMILY DIMEKOCRIISriD^.— Cytocrinus, Dolatocrinus, Macrostylocrinus. 

 FAMILY GASTEROCOMID^.— Myrtillocrinus. 

 FAMILY GLYPTOCRIISriD^.— Archseocrinus, Cupulocrinus, Glyptaster, Glypto- 



crinus, Lampterocrinus, Retiocrinus, Xenocrinus. 

 FAMILY HAPLOCRINID^.— Coccocrinns, Haplocrinus. 



FAMILY HETEROCRINID^.— Erisocrinus, Graphiocrinus, Heterocrinus, locrinus. 

 FAMILY HYBOCRINID^.— Anomalocrinus, Hybocrinus. 

 FAMILY ICHTHYOORIISriDJC.— Cleiocrinus, Homalocrinus, Ichthyocrinus, Lecm- 



ocrinus, Mespilocrinus. 

 FAMILY MELOCRINID^.— Ctenocrinus, Mariacrinus, Melocrinus, Technocrinus. 

 FAMILY PISOCRIKID^.— Catillocrinus, Pisocrinus. 

 FAMILY PLATYCRINID^.— Cordylocrinus, Cotyledonocrinus, Dichocrinus, Euclad- 



ocrinus, Marsupiocrinus, Platycrinus, Pterotocrinus, Talarocrinus. 

 FAMILY POTERIOCRIIS'ID^.— Agassizocrinus, Bursacrinus, Coeliocrinus, Cromyo- 

 crinus, Decadocrinus, Dendrocrijius, Eupachycrinus, Homocrinus, Hydreiono- 

 crinus, Pachylocrinus, Parisocrinus, Porocrinus, Poteriocrinus, Scaphiocriniis, 

 Scytalocrinus, Zeacrinus. 

 FAMILY RHODOCRIN^ID^.— Goniasteroidocrinus, Hadrocrinus, Lyriocrinus, Rho- 



docrinus, Thysanocrinus. 

 FAMILY STELIDOCRINID^.— Schizocrinus. 



FAMILY TAXOCRINID^.— Forbesiocrinus, Onychocrinus, Taxocrinus. 

 FAMILY AFFINITY UNCERTAIN.— Brachiocrinus, Closterocrinus, Cystocrinus, 

 Dictyocrinus, Syringocrinus. 



ORDER CYSTOIDEA. 



FAMILY AMYGDALOCYSTID^.— Amygdalocystites, Malocystites, Palneocystites. 

 FAMILY ANOMALOCYSTID^.— Anomalocystites, Ateleocystites. 

 FAMILY CARYOCRINID^.— Caryocriiius, Heterocystites. 

 FAMILY COMAROCYSTID^.— Comarocystites. 

 FAMILY ECHINOCYSTID^.— Echinocystites. 



