ARCHICYTHEREIS [Cythereis yazooensis Howe & Chambers 1934, 
p.38,pl.1,f.6; pl.6,f.29,30] Howe, in Howe & Law, 
1936,pe51. [juvenile of some Cytherid]. 
ARCYZONA [Amphissites diadematus Van Pelt 1933,p.339,pl.39, 
f.11,14,15] Kesling 1952a,p.30,31 [Kirkbyidae by 
Kesling] Devonian, Michigan. 
ARDMOREA [A. symmetrica] Bradfield 1935,p.138 [Leperditellidae 
by Agnew 1942,p.757; Drepanellidae-Aechmininae by 
Henningsmoen 1953,p.e269] Pennsylvanian, Oklahoma. 
ARGILLAECIA Brady 1870, Fonds, vol.1I,p.198, an error for 
Argilloecia Sars 1866 
ARGILLOECIA [A. cylindrica] Sars 1866,p.17 [Cypridae-Ponto- 
cyprinae by Sars 1923,p.53] Recent, Norway. 
ARISTOZOE Barrande 1872,p.e47h4-476,plse22-24,27. "Silurian" 
Bohemia [A genus belonging to the Phyllocardia by 
Kummerow 1931.] Species reported from America 
under this generic name have been peteseedivs ene 
Conchostraca, genus Aluta by Ulrich & Bassler 1931. 
The name Aristozoe Barrande with 3 species was 
reported by Bigsby 1868,p.200. 
ARTIFACTELLA [A. tomahawki] Coryell & Booth 1933,p.269 
[Bairdiidae by Bassler & Kellett 1934,p.163] 
Pennsylvanian, Texas. 
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