《the crinoidea flexibilia》求取 ⇩

INTRODUCTION1

Preparation and Scope1

Collections2

Collectors13

Illustrations15

Acknowledgments16

TERMINOLOGY19

Explanation of Terms20

MORPHOLOGY24

A. The Primary Plates27

Ⅰ. Abactinal System27

a. The Column27

b. Infrabasals and Basals31

c. Radials and Brachials41

d. The Arms451

Ⅱ The Actinal System48

a. The Tegmen48

B. The Supplementary Plates52

a. Interradials and Interbrachials52

b. The Anal Structures56

INTERRELATIONSHIPS OF THE FLEXIBILIA60

NEW RESEARCHES79

On the Ontogeny of Some Recent Crinoids bearing upon the Phylogeny of the Flexibilia79

PHYLOGENETIC RELATIONS88

DISTRIBUTION93

Ⅰ. Biologic by Families93

Ⅱ. Geologic by Families93

Ⅲ. Geographic and Geologic by Genera94

Ⅳ. Geologic by Species99

CLASSIFICATION100

Primary Divisions of the Crinoidea105

Order FLEXIBILIA112

The Families of the Flexibilia120

List of the Genera121

SYSTEMATIC PART122

LECANOCRINIDAE122

Analysis of the Genera122

Geological and Geographical Distribution124

Lecanocrinus125

Homalocrinus144

Calpiocrinus145

Anisocrinus160

Hormocrinus166

Cholocrinus170

Asaphocrinus174

Pycnosaccus180

Mespilocrinus190

Nipterocrinus201

SAGENOCRINIDAE205

Analysis of the Genera205

Geological and Geographical Distribution206

Temnocrinus207

Meristocrinus211

Sagenocrinus215

Lithocrinus222

Forbesiocrinus225

ICHTHYOCRINIDAE261

Analysis of the Genera261

Geological and Geographical Distribution263

Ichthyocrinus264

Cleistocrinus292

Clidochirus294

Synaptocrinus301

Dactylocrinus304

Euryocrinus314

Metichthyocrinus320

Wachsmuthicrinus326

Synerocrinus334

Amphicrinus337

TAXOCRINIDAE342

Analysis of the Genera342

Geological and Geographical Distribution344

Protaxocrinus345

Gnorimocrinus353

Eutaxocrinus357

Taxocrinus373

Parichthyocrinus410

Onychocrinus417

INSERTAE SEDIS441

Cleiocrinus441

Caleidocrinus442

Edriocrinus443

Rhopalocrinus453

Cydonocrinus and Sycocrinus454

BIBLIOGRAPHY455

INDEX OF SYNONYMY467

GENERAL INDEX472