Amphiprora

Belongs within: Bacillariophycidae.

Amphiprora is a genus of diatoms found as single cells or short chains.

Characters (Crosby & Ferguson Wood 1959): Cells single or in ribbon-like chains of two or three cells; frustules lanceolate, acute, convex, twisted in longitudinal axis, constricted centrally; raphe confined within central keel which is twisted into an S, with central terminal nodules separated by line from other parts of valve; girdle zone complex with numerous longitudinal rows of transverse striae; valve surface punctate with transverse striae.

<==Amphiprora Ehrenberg 1843G75
    |--A. alata (Ehrenberg) Kützing 1844 [=Navicula alata Ehrenberg 1840]CFW59
    |    |--A. a. var. alataW61b
    |    `--A. a. var. pulchra (Bail.) Cleve 1894 [=A. pulchra Bail. 1850]W61b
    |--A. brebissoniana Grev. 1863CFW59
    |--A. clepsydra Grev. 1863CFW59
    |--A. complexaG64
    |--A. conspicuaG63
    |--A. corrugata Giffen 1963G63
    |--A. cornutaCFW59
    |--A. crenulataG63
    |--A. dusenii Cleve 1894G63
    |--A. elegansG64
    |--A. giganteaG63
    |    |--A. g. var. giganteaG63
    |    `--A. g. var. aequatorialis Cleve 1894G63
    |--A. hustedtii [=A. costata]G63
    |--A. hyperboreaB26
    |--A. jolisiana Grev. 1863CFW59
    |--A. lata Greville in Cleve 1894G63
    |--A. lineata Grev. 1863CFW59
    |--A. maximaG64
    |--A. menenghiniana Grev. 1863CFW59
    |--A. minorG64
    |--A. nitida Grev. 1863CFW59
    |--A. oblonga Grev. 1861CFW59
    |--A. obtusaG64
    |--A. paludosaM01
    |    |--A. p. var. paludosaM01
    |    |--A. p. var. duplex (Donkin) Cleve 1894G63 [=Donkinia duplexG64]
    |    `--A. p. var. hyalinaM01
    |--A. paradoxa Grev. 1863CFW59
    |--A. paralia Giffen 1963G63
    |--A. perplexa Giffen 1963G63
    |--A. plicataG64
    |--A. pusillaG64
    |--A. rabenhorstiana Grev. 1863CFW59
    |--A. rectangularis Grev. 1863CFW59
    |--A. rugosa Petit 1877CFW59
    |--A. striolata Grun. in Cleve & Grun. 1880W61a
    |--A. sulcata [=A. gigantea var. sulcata]G75
    |--A. thwaitesiana Grev. 1863CFW59
    |--A. undulata Grev. 1863CFW59
    `--A. vitreaG64

*Type species of generic name indicated

References

[B26] Bigelow, H. B. 1926. Plankton of the offshore waters of the Gulf of Maine. Bulletin of the Bureau of Fisheries 40 (2): 1–509.

[CFW59] Crosby, L. H., & E. J. Ferguson Wood. 1959. Studies on Australian and New Zealand diatoms. II.—Normally epontic and benthic genera. Transactions of the Royal Society of New Zealand 86 (1): 1–58, pls 1–9.

[G63] Giffen, M. H. 1963. Contributions to the diatom flora of South Africa. I. Diatoms of the estuaries of the eastern Cape Province. Hydrobiologia 21: 201–265.

[G75] Giffen, M. H. 1975. An account of the littoral diatoms from Langebaan, Saldanha Bay, Cape Province, South Africa. Botanica Marina 18: 71–95.

[G64] Gray, J. E. 1864. Handbook of British Water-weeds or Algae. R. Hardwicke: London.

[M01] Mereschkowsky, C. 1901. A list of Californian diatoms. Annals and Magazine of Natural History, series 7, 7: 292–300.

[W61a] Wood, E. J. F. 1961a. Studies on Australian and New Zealand diatoms. IV.—Descriptions of further sedentary species. Transactions of the Royal Society of New Zealand 88 (4): 669–698.

[W61b] Wood, E. J. F. 1961b. Studies on Australian and New Zealand diatoms. V.—The Rawson Collection of recent diatoms. Transactions of the Royal Society of New Zealand 88 (4): 699–712.