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

Tetrasporidium fottiiA. Couté & B. Tracanna Cryptogamie: Algologie 2: 212, pls. XXV-XXVIII in Fott, Novakova & Kalina, Preslia 37, 1965 1982
Tetrasporidium javanicumMöbius Ber. Deutsch Bot. Ges. 11{2}: 122, pl. 8: figs. 6a-g 1893
Tetrasporidium lundiiR.S. Pandey, Tiwari, & D.C. Pandey image
Tetrasporidium sarawakense_('sarawaknensis')Y. Yamagishi Plankton algae of Southeast Asia: 115, pl. 50: figs. 5-8 2010