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
| Name | Author | Source | Citation | Year |
|---|---|---|---|---|
| Amphitetras antediluviana | Ehrenberg | Abh. K. Akad. Wiss. Berlin | 1839: 142 | 1840 |
| Amphitetras parallela | Ehrenberg | Ber. K. Akad. Wiss. Berlin | 1840: 205 | 1840 |
| Amphitetras adriatica | Kützing | Phyc. germ.: | 115 | 1845 |
| Amphitetras favosa | Harvey & Bailey | Proc. Acad. Nat. Sci. Philad. | 6: 430, no fig. | 1853 |
| Amphitetras wilkesii | Harvey & Bailey | Proc. Acad. Nat. Sci. Philad. | 6: 430, no fig. | 1853 |
| Amphitetras minuta | Greville | Trans. Microscop. Soc. London | ser. 2, 9: 77, pl. IX: fig. 11 | 1861 |
| Amphitetras parvula | Greville | Edinburgh New Philos. J., ser. 2, | 18: 37, pl. I: fig. 12; Trans. Bot. Soc. [Edinburgh] 7: 537, pl. XIII: fig. 12 | 1863 |
| Amphitetras nobilis | Greville | Trans. Micr. Soc. London, Ser. 2, | 13: 105, pl. IX: fig. 27 | 1865 |
| Amphitetras graeffeana_('Gräffeiana') | O. Witt | J. Mus. Godeffroy [Hamburg] | 1: 69, pl. 8: fig. 2 | 1873 |
| Staurosira harrisonii var. amphitetras | Grunow | Beitr. Paläontol. Österr.-Ung. | 2: 139, pl. XXIX: fig. 18 | 1882 |
| Amphitetras alternans_(`altemans') | H.L. Smith in T. Christian | Microscope [Ann Arbor] | 7: 67, fig. [1] | 1887 |
| Amphitetras acutangula | (Greville) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras anderssonii_(`andersonii') | (Cleve) De Toni | Syll. Alg. | 2: 906 | 1894 |
| Amphitetras atlantica | (Castracane) De Toni | Syll. Alg. | 2: 906 | 1894 |
| Amphitetras balearica | (Cleve & Grunow) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras bicornis | (Cleve) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras blandita | (Greville) De Toni | Syll. Alg. | 2: 905 | 1894 |
| Amphitetras canalifera | (Brun) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras coerulescens | (Pantocsek) De Toni | Syll. Alg. | 2: 909 | 1894 |
| Amphitetras conciliata | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras conciliata var. validior | (Pantocsek) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras cornuta | (Greville) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras dutertrei | (Pantocsek & Tempère) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras inconspicua | (R.K. Greville) De Toni | Syll. Alg. | 2: 905 | 1894 |
| Amphitetras ingloria | (Greville) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras intermedia | (Grove & Sturt) De Toni | Syll. Alg. | 2: 908 | 1894 |
| Amphitetras kusnetzkiana | (Pantocsek) De Toni | Syll. Alg. | 2: 906 | 1894 |
| Amphitetras lanceolata | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras lata | (Greville) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras margaritifera | (Cleve) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras oculata | (Greville) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras perryana | (Truan & Witt) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras pethoei | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras pulvillus | (Castracane) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras quadrangularis | (Greville) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras quadricornis | (Greville) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras rectangularis | (Grove & Sturt) De Toni | Syll. Alg. | 2: 908 | 1894 |
| Amphitetras sturtii | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras tetragona | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras unguiculata | (Greville) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras zonatulata | (Greville) De Toni | Syll. Alg. | 2: 900 | 1894 |
| Fragilaria leptostauron var. amphitetras | (Grunow) H.P. Gandhi | Fresh-water Diatoms Central Gujarat: | 301 | 1998 |
| Amphitetras quadrinotatum | (A. Schmidt) P. Prema in Prema & Desikachary | Phykos | 42: 65 | 2012 |
| AMPHITETRAS | (Ehr.) Schütt | image | ||
| AMPHITETRAS | Ehrenberg | image | ||
| Amphitetras adriatica | Kützing | image | ||
| Amphitetras adriatica | Kützing | image | ||
| Amphitetras alternans_('altemans') | H.L. Smith | image | ||
| Amphitetras anderssonii_('andersonii') | (Cleve) De Toni | image | ||
| Amphitetras antediluviana | Brightwell | image | ||
| Amphitetras arisata | Shadbolt | image | ||
| Amphitetras cruciata | Janisch & Rabenhorst | image | ||
| Amphitetras crucifera | Kitton | image | ||
| Amphitetras crux | Brightwell | image | ||
| Amphitetras cuspidata | Bailey | image | ||
| Amphitetras dutertrei | (Pantocsek & Tempère) De Toni | image | ||
| Amphitetras elegans | Greville | image | ||
| Amphitetras excavata | W. Smith ms. | image | ||
| Amphitetras gemmata | Ehrenberg | image | ||
| Amphitetras graeffeiana_('Gräffeiana') | Witt | image | ||
| Amphitetras grevillei | De Toni | image | ||
| Amphitetras inconspicua | (Greville) De Toni | image | ||
| Amphitetras lamprodictya | Ehrenberg | image | ||
| Amphitetras leptotis | Ehrenberg | image | ||
| Amphitetras leptotis | Ehrenberg | image | ||
| Amphitetras mammillaris | Ehrenberg | image | ||
| Amphitetras mammillaris | Ehrenberg | image | ||
| Amphitetras ornata | Shadbolt | image | ||
| Amphitetras parvula | Janisch & Rabenhorst | image | ||
| Amphitetras producta | Greville | image | ||
| Amphitetras pulvilla_('pulvillus') | (Castracane) De Toni | image | ||
| Amphitetras punctata | Greville | image | ||
| Amphitetras radiata | Greville | image | ||
| Amphitetras subrotundata | Janisch | image | ||
| Amphitetras tessellata | Shadbolt | image | ||
| AMPHITETRASEAE | Trevisan | image | ||
| Fragilaria harrisonii var. amphitetras | (A. Grunow) F. Hustedt | image | ||
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