SILURIAN OSTRACODA FROM THE OSLO REGION, NORWAY. Norsk 
Geologisk Tidsskrift, Bd. 34,h.l1,p.15-71,pls.1-8 [15 nespe, 
5 nesubgen., 2 negene, 1 ne subfam. ] 
CORNIKLOEDENIA [Drepanellina ventralis Ulrich and Bassler 
1923, pe650, pl.56,f.5,6] Henningsmoen 195k, 
pe3l [Beyrichiidae-Kloedeniinae] Silurian, 
Norway. 
EOBEYRICHIA [Beyrichia (Eobeyrichia) zygophora] 
Henningsmoen 1954,p.22 [as subgenus of Beyrichia 
by Henningsmoen} Silurian, Norway. 
MITROBEYRICHIA [Beyrichia jonesii Boll 1856, p.322, figs. 
1,2) Henningsmoen 1954,p.27 [as subgenus of 
Beyrichia] Silurian, Germany. 
NEOBEYRICHIA [Beyrichia buchiana Jones 1855a,p.86, pl. 
5,f.1-3}) Henningsmoen 1954,p.25 [as subgenus 
of Beyrichia}] Silurian, north Europe. 
NODIBEYRICHIA [Beyrichia bronni Reuter 1885,p.638,pl.25, 
f.6A,B] Henningsmoen 1954,p.26 [subgenus of 
Beyrichia] Silurian drift, Germany. 
SIGNETOPSIS [S. quadrilobata] Henningsmoen 1954,p.61 
[Primitiopsiidae by Henningsmoen} Silurian, 
Norwaye 
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