Actinocrinus, [594]

Actinodendron, [384];

A. arboreum, [384];

A. glomeratum, [366];

A. plumosum, [366], [384]

Actinoloba (= Metridium), [371], [372], [381];

A. dianthus, [379], [381];

A. marginata, [378]

Actinolophus, [70];

habitat of, [75]