CRIBROCONCHA [C. costata] Cooper 1941,p.29 [Bairdiidae by 
Cooper; ?Healdiidae by Henningsmoen 1953,p.260] 
Mississippian of Illinois. 
CROSSOPHORUS [C. imperator] Brady 1880,p.157 [Cypridinidae 
by Brady] Recent, near New Zealand. [Not Crosso- 
phorus Hemprich and Ehrenberg 1828, a nematode = 
Azygocypridina Sylvester-Bradley 1950,p.364, new 
name e 
CRYPTOCANDONA [C. vavrai] Kaufmann 1900c,p.132 [Cypridae-- 
Candoninae by Muller 1912,p.148] Recent, Switzer- 
land. 
CRYPTOCARIS [8 species, one of which C? rhomboidea,p.46h, 

has been made genotype of Rhomboentomozoe] Barrande 
1872,p.459 [Described as a genus of Phyllopoda by 
Barrande]. 
CRYPTOPHYLLUS [C. sulcatus] Levinson 1951,p.558 [Beyrichiaceae-- 
Primitiidae by Levinson; ?Leperditellidae-- 
?Eridoconchinae by Henningsmoen 1953,p.e256,275] 
Ordovician, Indiana. 
CTENENTOMINAE Schmidt 1941,p.34, subfamily of Hollinidae to 
include Ctenentoma, Winchellatia, Parabolbina, 
Acromotella, ?Hippa, and ?Eoconchoecia. {Henningsmoen 
1953,p.e22h,225,267 indicates this subfamily is 
38 
