— 163 — 



*7 Actinoptychus 



8 = trivolva Brun. var. 



9 = excellens Schum. 

 10 * pellucidus Grün. 



*11 Actinoptychus 



13. 1 Actinoptychus Heliopelta Grün. 



*2 Actinoptychus 



3 = Heliopelta Grün. 



*4 Actinoptychus 

 *5 Actinoptychus 

 *6 Actinoptychus 

 *7 Actinoptychus 

 *8 Actinoptychus 

 *9 Actinoptychus 

 *10 Actinoptychus 



Tafel 26. Thonschiefer von Oamaru, Neuseeland. 



1. 1—2 Triceratium Favus Ehr. 



3 * affine Grün. 



4 = Thumi A. Schm. 

 *5 Triceratium 



6 * secedens A. Schm. 



*7 Triceratium 

 8 — 12 = castellatum West. 



2. 1 Stictodiscus parallelus Grev. var. 



2 — 3 = = * var. gibbosa Gr. et St. 



4 * = * forma trigona. 



5 Triceratium brevinervum Grev. var. 

 6—7 * rugosum Gr. et St. et var. 



8 = *■ bimarginatum Gr. et St. 



9 — 10 = Barbadense Grev. 



11 * anastomosans Grove. 



12 * glandiferum Grün. 



13 = Oamaruense Gr. et St. 

 *14 Triceratium 



15 = Novae Seelandiae Gr. et St. 



16 * radians Temp. et Br. 



17 =* repletum Grev. 



18 = Peragalli Brun. 



11* 



