This table shows all vessels of the class which were carried on the books of the Royal Navy in the period 1840-1880. The total number of vessels in the class may have been higher (vessels disposed of before 1840 or acquired after 1880).
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|Cerberus||1868.12.02||1924||I||S||Breastwork monitor||3340||4||1918=Platypus II d.s.|
|Magdala||1870.03.02||1904||I||S||Breastwork monitor||3340||4||Coastal defence ship for the harbour of Bombay (now Mumbai)|