Biddulphiaceae is a family of
diatom, the only family in the order Biddulphiales. The Biddulphiaceae are distinguished from the
Eupodiscaceae by their pseudocelli, where the Eupodiscaceae have fully developed
ocelli
A simple eye (sometimes called a pigment pit) refers to a form of eye or an optical arrangement composed of a single lens and without an elaborate retina such as occurs in most vertebrates. In this sense "simple eye" is distinct from a multi-le ...
. Both families commonly inhabit the
littoral zone
The littoral zone or nearshore is the part of a sea, lake, or river that is close to the shore. In coastal ecology, the littoral zone includes the intertidal zone extending from the high water mark (which is rarely inundated), to coastal ...
of the ocean, close to the shore. Sixteen species of Biddulphiaceae are found on the west coast of
India
India, officially the Republic of India ( Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the ...
.
Genera
*† ''
Alveoflexus'' -
N.I. Hendey & P.A. Sims, 1984
*† ''
Ancoropsis'' -
N.I. Hendey & P.A. Sims, 1984
*''
Arcusidiscus'' -
S.Komura, 2008
*''
Biddulphia'' -
S.F. Gray, 1821
*''
Biddulphiopsis'' -
H.A. von Stosch & R. Simonsen, 1984
*† ''
Donskinica'' -
Strelnikova & Kozyrenko
*† ''
Euodiella'' -
P.A. Sims, 2000
*† ''
Fenneria'' -
J.Witkowski, 2018
*''
Hydrosera'' -
G.C. Wallich, 1858
*''
Isthmia'' -
C. A. Agardh, 1832
*† ''
Medlinia'' -
P.A. Sims, 1998
*''
Neohuttonia'' -
O. Kuntze, 1898
*''
Pseudotriceratium'' -
A. Grunow, 1884
*''
Stoermeria'' -
J.P. Kociolek, L. Escobar & S. Richardson, 1996
*''
Terpsinoë'' -
C.G. Ehrenberg, 1843
*''
Trigonium'' -
P.T. Cleve, 1867
Gallery
File:Biddulphia rigida - Oamaru (New Zealand) - 630x, Planapochromat, Bright field, Photonegative.jpg, ''Biddulphia rigida''
File:Biddulphia pulchella a t.jpg, ''Biddulphia pulchella''
File:Marine plankton - Odontella sp ( = Biddulphia sp) - 250x (14811152768).jpg, ''Biddulphia'' sp.
References
Diatom families
Taxa described in 1844
Taxa named by Friedrich Traugott Kützing
Coscinodiscophyceae
{{Diatom-stub