Volume 3 



Arkell, W. J. 



1946 Standard of the European Jurassic 1 



1946 A revision of the Upper Qxfordian 



ammonites of Trept (I sere), figured 



by do Riaz 2 



1948 Oxford Clay and Kellavays Beds, 

 We/mouth 3 



1949 Jurassic ammonites in 1949 4 



1950 Two early-named valid species of 

 English Upper Jurassic ammonites 5 



1951 On the generic names Schlotheinla 

 Bayle, 1878, and Scamnoceraa Lange, 

 1924t proposed use of the plenary 

 powers to validate the name Arrnon- 

 j.tea ongulatua Schlotheim, 1820 

 (Class Cepalopoda, Order Ammonoidea) 

 (Jurassic) 6 



1951 On the relative status of the names 

 Arieticeraa Seguenza, 1885, and 

 Seguenziceras Levi, 1896 (Class Ceph- 

 alopoda, Order Ammonoidea). 7 



1951 Proposed validation of the name 



Arisphinctea Buckman, 1924 f by the 

 suppression under the plenary powers 

 of the name Toxosphinctes Buckman, 

 1923 (Class Cephalopoda, Order Ammon- 

 oidea) (Jurassic). 8 



