DONELLINA Egerov [1950?.],p.?, discussed by Polenova 1952, 
p-l106 under Kloedenellidae-Cavellinac. 
DREPANELLIDAE Swartz 1936,p.552, a family to include the 
following genera: Drepanella,[sic. = Depranella,] 
Scofieldia, Jonesella, Bollia, and ?Ulrichia, 
?Polyzygia. [= Depranellidae]. 
DREPANELLINAE Ulrich and Bassler 1923,p.308, as a subfamily 
of Zygobolbidae, for the genera: Drepanella 
[sic. = Depranella], Drepanellina, Scofieldia, 
Mesomphalus. [#=Depranellinae]. 
DREPANELLA Ulrich 1894,p.e670 (Ulrich indicates = Depranella, 
an error; but under the Rules this change is not 
permissable, as the error is not an obvious error 
of transcription; 5 species having been described 
with the same spelling, see Ulrich 1890,p.117, 
176. "For full discussion’ of the Rules governing 
this case see Moore, Weller and Knight 192). 
[= Depranella Ulrich 1890]. 
DREPANELLINA [D. clarki] Ulrich and Bassler 1923,p.308 
[Zygobolbidae-Drepanellinae by U&B; Beyrichiidae-- 
Beyrichiinae by Henningsmoen 1953,p.232,236,238, 
269] Silurian, Maryland, Pennsylvania. 
DRIESCHIA [D. mammillata] Brehm 1923,p.339 [near Centrocypris 
and Stenocypris by Brehm] Recent, China. 
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