QUADRIJUGATIDAE Kesling and Hussey 1953,p.79, a family of 
Beyrichiacea for Quadrijugator, Ceratopsis, 
Glossopsis, Ogmoopsis, and a portion of "Tetradella". 
QUADRIJUGATOR [Bollia permarginata Foerste 1918, p.124-125, 
pl.6, f.33a-c] Kesling and Hussey 1953,p.82 
[Quadrijugatidae by K&H] Ordovician-Silurian of 
Michigan. 
QUASILLITES [Q. obliquus] Coryell and Malkin 1936,p.18 
[Quasillitidae by C&M; Graphiodactyllidae by Agnew 
1942, p.e760; Quasillitidae-Quasillitinae by 
Henningsmoen 1953,p.255,257,275}] Devonian, Ontario. 
QUASILLITIDAE Coryell and Malkin 1936,p.17, a family to 
include Quasillites, Janetina, Jenningsina. 

QUASILLITIDAE Henningsmoen 1953,p.256,261,275, a family of 
Podocopa to include the subfamilies Quasillitinae 
and Ropolonellinae. 
QUASILLITINAE Henningsmoen 1953,p.e257,275, a subfamily of 
Quasillitidae to include Graphiodactyllis, 
Quasillites, Spivonina, Janetina, Jenningsina, 
Bufina, Paragraphylus, and ?Augurites. 
R 
RAKVERELLA [R. spinosa] Opik 1937,p.109 [Beyrichiidae by 
Opik; Piretellidae by Agnew 1942,p.760; Hollinidae-- 
Ctenonotellinae by Schmidt 1941, pe 48; 
163 
