APPENDIX II. 



RANGE IN GEOLOGICAL TIME OF THE BRITISH CRETACEOUS 



ECHINOIDEA. 



o 



o. La 



O 



o 



a 



ECHINOIDEA EXDOCYCLICA. 



Tamily I. Cidaeid.t, Wright. 



Genus 1. Cidaris 



„ II. Diademad.t:, Wright. 



Genus 2. Pseudodiadema, i)e«on ... 



,, 3. Pedinopsis, Co</ea?« 



„ 4. Eehinocyphus, Cotteau ... 

 „ 5. Glyphocyphus, Haime ... 



„ 6. Cyphoaoma, Agassiz 



„ III. SALENIADiE, Wright. 



Genus 7. Peltastes, Agassiz 



,, 8. Goniophorus, Agassiz 



,, 0. Salenia, Qray 



„ 10. Cottaldia, Desor 



„ IV. EcHiNOTHrEiD.i;, Wyv . Thomson. 



Genus 11. Echinothuria, Woodward 



ECHINOIDEA EXOCTCLICA. 



Y. ECHINOCONID.-E, Wright. 



Genus 12. Discoidea, Klein 



„ 13. Echiuoconus, jBr^yniws ,. 



„ 14. Holectypus, Desor 



YI. EcniNONiD.T), Wright. 



Genus 15. Vyrvii9.,Desmoulins 



VII. EcHiNOBEissiD.!;, Wright. 



Genus 16. CaXo^ijgus, Agassiz .' 



„ 17. Clypeopygus, A. d'Orbigng . 



„ 18. Echinobrissus, ^reyn«<s 



„ 19. Trematopygus, A. d'Orhigny. 



„ 20. C&Ta.tom\i%, Agassiz 



VIII. EcniIfOLAMPiD.E, Wright. 



Genus 21. Pygurus, (fOriiyny 



IX. Spatanoidje, (VOrligny. 



Genus 22. Hemiaster, Z>e«or , 



„ 23. 'Ei^imicr, d'Orhigny 



„ 24. 'M\cT&%teT, Agassiz 



„ 25. Echinospatagus, 5reywJMs 



„ 26. 'EniiW&stev, (TOrhigny 



X. ECHINOCOEID.^, Wright. 



Genus 27. Cardiaster, jFories 



„ 28. Infulaster, ro» J/ayenoitf 



„ 29. Yi6\&iteT, Agassiz 



„ 30. Echinocorys, Breynius 



X 

 .. X 



