DELOIA [D. serrata) Croneis and Thurman 1938,p.307 
[Kloedenellidae by C&T; Kloedenellidae-Beyrichi- 
opsiinae by Henningsmoen 1953,pe272. 
DENISONELLA [Denisonia cincta Croneis and Bristol 1939, 
pa 70, plely,f.13]) Croneis and Bristol ,p./777, mew 
name for Denisonia Croneis and Bristol 1939,p.76, 
(not Krefft). [Kloedenellidae by C&B; Kloede- 
nellidae-Beyrichiopsiinae by Henningsmoen 1953, 
pe272] Mississippian of Illinois. 
DENISONIA [D. cincta] Croneis and Bristol 1939,p.76 (non 
Krefft, 1869) = Denisonella Croneis and Bristol 
1942,p.-777, new name. 
DEPRANELLA LD. crassinoda, orig. designation] Ulrich 1890, 
pell7,118 [Note this description was accompanied 
by description also of Depranella nitida, n.sp., 
Depranella macer, nespe, Depranella ampla,nesp., 
and Depranella elongata, nesp. - all using the 
same spelling of Depranella. Ulrich, 1894,p.670, 
however changed the spelling to Drepanella, and 
subsequent workers have followed the latter 
spelling. It would appear that Ulrich in 1890 
had made no obvious typographical error, or lapsus 
calami, and that under the Rules he was not per- 
mitted to change the name. For a discussion of 
60 
