TRACHYLEBERIS [Cythere scabrocuneata Brady 1880 (not all 
figures)] Brady 1898b,p.444 [Cytheridae by Brady; 
= Cythereis by G. W. Miller 1912, p.336; 
Trachyleberidae by Sylvester-Bradley 1948d,p.793; 
Cytheridae-Trachyleberinae by Hornibrook 1942, 
pe32] Recent, Inland Sea of Japan. One should 
consult Harding and Sylvester-Bradley 1953 for 
their revision of this genus. 
TREPOSELLA [Beyrichia lyoni Ulrich 1891,p.190,pl.14,f.2a-c, 
3] Ulrich and Bassler 1908,p.314 [Beyrichiidae 
by Bassler and Kellett 1934,p.487; Beyrichiidae-- 
Beyrichiinae by Henningsmoen 1953,p.238,269] 
Devonian, Kentucky. 
TRIBOLBINA [T. carnegei] Latham 1932,p.358 [Beyrichiidae by 
Latham] Carboniferous, Scotland. 
TRICERATINA [T. wrefordensis] Upson 1933,p.29 [Primitiidae 
by Upson; = Monoceratina by Bassler and Kellett 
1934,pe488; re-established by Cooper 1941,p.23 
and placed in Acronotellidae] Permian of Nebraska. 
TRICORNINA [T. navicula] Bouéek 1936,p.50 [Primitiidae-- 
Primitiinae by Bouéek; ?Acronotellidae by Agnew 
1942, Alanellidae by Henningsmoen 1953,p.235,2h7, 
273] Silurian, Bohemia. 
187 
