120 E. J. CHAPMAN ON TEILOBITES. 



SUMMABY. 



Eetrospective view of the Sub-Orders, Sections and Families of the preceding classi- 

 fication. 



Order TIlII>OBITA. 



Sub-Order I.— PUS3LLIF0RMES. 

 Fam. 1, Aguostidee. 



Sub-Order IL— LATIFORMES. 



§ 1. Lev ATI. 



Fam. 2, Illfenidso- 

 Fam. 3, Asaphidœ. 



§ 2. SULCATI. 



Fam- 4, Basilicidio. 

 Fam. 5, Dikeloœplialidœ. 



§ 3. Palmati. 



Fam. 6, Lichasidœ. 

 Fam. 7, Bronteidje. 



§ 4. COLUMNATI. 



Fam. 8, Phaetonidso. 

 Fam. 9, Proetidœ. 



Sub-Order III.— CONIFRGNTES. 



§ 1. LONGICONI. 



Fam. 10, Homalonotidœ. 

 Fam. 11, Calymenid». 

 Fam. 12, Triartbridœ. 



§ 2. CUKTICONI. 



Fam. 13, Conoceiibalidw. 

 Fam. 14, Conocorypbidio. 



§ 3. VlTTATI. 



Fam. 15, Olenidœ. 

 Fam. 16, Aretbusinidœ. 

 Fam. 17, Harpesidœ. 



Sub-Order IV.— FRONTONES. 



§ 1. Annulati. 



Fam. 18, Pbacopsid;o 

 I'am. 19, EucrinnridiP. 

 Fam. 20, Cbeiniridic 



§ 2. Aemati. 



Fam. 21, Acidaspidnj. 

 i^a;?!. 22, Paradoxidse. 



§ 3. Globosi. 



Fam. 23, Trinucleidœ. 

 Fam. 24, Ampyxidœ. 

 Fam. 25, jEglinidœ. 



§ 4. OCULOSI. 



Fam. 26, Bohemillidse. 

 iî'am. 27, Remopleuridse. 



