HAMILTONELLA [Leperditia punctulifera Hall 1860,p.92] 
Stewart 1936,p.756 [Bairdiidae by Stewart; 
Cytherellidae by Agnew 1942,p.758] Devonian, New 
York [Stewart has previously identified this 
species as Cytherella (?) bispinulatus Stewart 
1927 ,pe60,pl.5,f-18,19, which was made the geno- 
type of Ponderodictya Coryell and Malkin 1936, 
earlier in the same year. = Ponderodictya.] 
HANAITES [Halliella (Hanaites) givetiana] Pokorny 1950, 
pe 537,599 [Hollinidae, and subgenus of Halliella 
by Pokorny] Devonian of Czechoslovakia. 
HAPLOCYTHERIDEA [Cytheridea montgomeryensis Howe and Chambers 
19395 3pel7 yplelsf clspleelsfol=3; 749s tpleOytel 7, ved 
Stephenson 1936,p.e700 [as subgenus of Cytheridea 
by Stephenson; as genus by Stephenson 196; 
Cytheridae-Cytherideinae by Goerlich 1953,p.138] 
Eocene of Louisiana. 
HAPLOPRIMITIA [Primitia minutissima Ulrich 1894,p.651,pl.45, 
f.31] Ulrich and Bassler 1923,p.297 [Primitiidae 
by UGB; Primitiidae-Primitiinae by Boufek 1936, 
pe43; Eurychilinidae-?Euprimitiinae by Henningsmoen 
1953,pe229,268J Ordovician of Minnesota. 
EHARDINIA [H. concava] Coryell and Rosanski 1942,p.1h6 
[?Youngiellidae by C&R] Mississippian of Illinois. 
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