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

FRUSTULIA subg. SPHENELLAKützing Linnaea 8: 556 1834
GOMPHONEMA sectionSPHENELLA J.-J. Brun image
SPHENELLA(Kützing) L. Agassiz Nomencl. Zool., Polygastrica: 11 1843
SPHENELLAKützing Linnaea 8: 556 1834
SPHENELLAKützing image
SPHENELLAKützing image
Sphenella angustataKützing image
Sphenella appendiculataPerty image
Sphenella elongata(Kützing) Rabenhorst image
Sphenella glacialisKützing image
Sphenella italica(Kützing) Kützing Sp. alg.: 63 1849
Sphenella italica(Kützing) Kützing image
Sphenella italicaRabenhorst image
Sphenella italicaRabenhorst Süssw.-Diat.: 58, pl. VIII: Sphenella: fig. 8 1853
Sphenella lenormandii_('lenormandi')Kützing image
Sphenella obtusataKützing image
Sphenella olivacea 'Kützing' image
Sphenella parvulaKützing Kieselschal. Bacill.: 83, pl. 30: fig. 63 1844
Sphenella parvulaKützing image
Sphenella rostellataKützing image
Sphenella rostellata var. elongataKützing image
Sphenella vulgarisKützing image