0 Mariana Islands species out of 7 reported
Cylichnidae species reported from the Mariana Islands by Carlson and Hoff (2003):
- Cylichna cf. crispula
- cylichnid sp. 2, rodded gizzard
- cylichnid sp. 3, golden brown, deep
- cylichnid sp. 5, slight fold
- cylichnid sp. 6, white, from Ga’an
- cylichnid sp. 7, tan, anterior striate
- cylichnid sp. 8, ventral red spot