Hemidiscus Wallich 1860 (diatom)

Bacillariophyceae - Hemidiscaceae

Full reference: G.C. Wallich. 1860. On the siliceous organisms found in the digestive cavities of the Salpae, and their relation to the Flint nodules of the Chalk Formation. Transactions of the Microscopical Society, New Series, London 8:36-55, pl. 2

Parent taxon: Hemidiscaceae according to G.R. Hasle and E.E. Syvertsen 1996

See also Wallich 1860

Sister taxa: Actinocyclus, Araniscus, Azpeitia, Charcotiella, Roperia

Subtaxa: none

Ecology: "photoautotroph"

Distribution:

• NN21 of Indian Ocean (3 collections), North Pacific (5)

• Quaternary of Indian Ocean (35), North Pacific (6), South Atlantic (3), South Pacific (2), Southern Ocean (1)

• NN16 of Indian Ocean (6), South Atlantic (1)

• Pliocene to Pleistocene of North Pacific (8)

• Pliocene of Indian Ocean (3), North Pacific (27), South Pacific (1), Southern Ocean (1)

• Miocene to Pliocene of North Pacific (2)

• Miocene of Indian Ocean (15), North Pacific (63), South Atlantic (1), Southern Ocean (3)

Total: 186 collections including 195 occurrences

Show more details


Specimen images are retrieved through the ePANDDA API.


Click image to enlarge. Click to access iDigBio record.