Acestra, ii. [444]

Acestura, ii. [108]

Achalinus, ii. [375]

Acharnes, ii. [434]

Achatina, ii. [515]

Achatinella, ii. [514]

Acherontia, ii. [483]

Achilognathus, ii. [452]

Achænodon, N. American Tertiary, i. 138

Acicula, ii. [519]