ZYGOPSIDA Daday 1900, p. 124,125,207,209, 304,305, a subtribe 
of Cypridae, used by Daday under the subfamily 
Cyprinae for Centrocypris, and under the subfamily 
Candoninae for Notodromas. 
ZYGOSELLA [Z. vallata] Ulrich and Bassler 1923a,p.305 
[Zygobolbidae-Zygobolbinae by U&B] Silurian, West 
Virginia. 
197 
