Silva Center for Phycological Documentation: Index Nominum Algarum

The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Results from INA database

ACROTYLUSJ. Agardh image
ACROTYLUSJ. Agardh image
Acrotylus australisJ. Agardh Öfvers. K. [Svenska] Vet.-Akad. Förh. 6: 87 1849
Acrotylus australis var. constrictaSonder image
Acrotylus clavatusHarvey image
Acrotylus cryptographicusG.T. Kraft & G.W. Saunders Australian Systematic Botany 34: 321, fig. 12A-H 2021
Acrotylus prismaticus(J. Agardh) J. Agardh Sp. Alg. 2: 193 1851