RHINOCYPRIS [R. scabra]} Anderson 1940,p.378 [Closely related 
to Scabriculocypris and through it to Metacypris 
by Anderson] Jurassic, England. 
RHOMBINA [R. hibernica Jones and Kirkby 1874,pe44,pl.2, 
£.33; ple5,f.13, designated by Bassler and Kellett 
1934,pe45] Jones 1873b,pe411 [Cypridinidae by 
Jones; Rhombinidae by Sylvester-Bradley 195la, 
pe209] Carboniferous, Ireland. [Sylvester-Bradley 
195la restudied, refigured and reoriented Jones and 
Kirkby's material, and redefined the genus 
Rhombina, and corrected his designation (1951b)]. 
RHOMBINIDAE Sylvester-Bradley 195la,p.209, a family of 
Myodocopa for the genera Rhombina and Palaeophilo- 
medese 
RHOMBOENTOMOZOE [Cryptocaris? rhomboidea Barrande 1872, 
peh64,pl.31,fe14,15] Pribyl 1951,p.111 [Entomozoa- 
cea-Entomozoidae-Entomozoinae by Pribyl] Silurian, 
Bohemia. 
RICHINA [R. truncata] Coryell and Malkin 1936,p.3 [Bey- 
richiidae by C&M; Tetradellidae by Agnew 19kh2, 
pe760; Drepanellidae-?Bolliinae by Henningsmoen 
1953,pe234,268] Devonian, Ontario. 
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