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 adriatica | Kützing | Phyc. germ.: | 115 | 1845 |
| Amphitetras nobilis | Greville | Trans. Micr. Soc. London, Ser. 2, | 13: 105, pl. IX: fig. 27 | 1865 |
| Amphitetras antediluviana | Ehrenberg | Abh. K. Akad. Wiss. Berlin | 1839: 142 | 1840 |
| Amphitetras parallela | Ehrenberg | Ber. K. Akad. Wiss. Berlin | 1840: 205 | 1840 |
| 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 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 zonatulata | (Greville) De Toni | Syll. Alg. | 2: 900 | 1894 |
| Amphitetras canalifera | (Brun) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras lata | (Greville) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras margaritifera | (Cleve) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras quadricornis | (Greville) De Toni | Syll. Alg. | 2: 901 | 1894 |
| Amphitetras balearica | (Cleve & Grunow) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras bicornis | (Cleve) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras ingloria | (Greville) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras pulvillus | (Castracane) De Toni | Syll. Alg. | 2: 902 | 1894 |
| Amphitetras conciliata | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras lanceolata | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras pethoei | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras sturtii | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras tetragona | (Pantocsek) De Toni | Syll. Alg. | 2: 903 | 1894 |
| Amphitetras acutangula | (Greville) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras conciliata var. validior | (Pantocsek) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras quadrangularis | (Greville) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras unguiculata | (Greville) De Toni | Syll. Alg. | 2: 904 | 1894 |
| Amphitetras blandita | (Greville) De Toni | Syll. Alg. | 2: 905 | 1894 |
| Amphitetras inconspicua | (R.K. Greville) De Toni | Syll. Alg. | 2: 905 | 1894 |
| Amphitetras anderssonii_(`andersonii') | (Cleve) De Toni | Syll. Alg. | 2: 906 | 1894 |
| Amphitetras atlantica | (Castracane) De Toni | Syll. Alg. | 2: 906 | 1894 |
| Amphitetras kusnetzkiana | (Pantocsek) De Toni | Syll. Alg. | 2: 906 | 1894 |
| Amphitetras cornuta | (Greville) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras dutertrei | (Pantocsek & Tempère) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras oculata | (Greville) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras perryana | (Truan & Witt) De Toni | Syll. Alg. | 2: 907 | 1894 |
| Amphitetras intermedia | (Grove & Sturt) De Toni | Syll. Alg. | 2: 908 | 1894 |
| Amphitetras rectangularis | (Grove & Sturt) De Toni | Syll. Alg. | 2: 908 | 1894 |
| Amphitetras coerulescens | (Pantocsek) De Toni | Syll. Alg. | 2: 909 | 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 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 alternans_(`altemans') | H.L. Smith in T. Christian | Microscope [Ann Arbor] | 7: 67, fig. [1] | 1887 |
| 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 | ||
| Amphitetras minuta | Greville | Trans. Microscop. Soc. London | ser. 2, 9: 77, pl. IX: fig. 11 | 1861 |
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