Minidiscus Hasle, 1973

Holotype species: Minidiscus trioculatus (F.J.R.Taylor) Hasle

Original publication and holotype designation: Hasle, G.R. (1973). Thalassiosiraceae, a new diatom family. Norwegian Journal of Botany 20: 67-69.

Description: Cell in solitary, chain or clogged. Cell diameter less than 10 ?m. Valve face flat to convex. Valve ornamentation various, loculate areolae, hyaline without any perforation, unlinked ribs. One central fultoportula; one to ten fultoportulae on valve face to valve margin. All fultoportulae externally opened with short tube and surrounded by siliceous hyaline. A single rimoportula adjacent to a central fultoportula, having an externally circular or elliptical small pore and an internally ellipsoidal ring of sessile lips. [Emended Park in Park et al., 1983: 18. Emend. Yang Li In Li et al., 2020: 1454.]

Information contributed by: Park et al. (2017).. The most recent alteration to this page was made on 2021-03-25 by G.M. Guiry.

Taxonomic status: This name is of an entity that is currently accepted taxonomically.

Most recent taxonomic treatment adopted: Park, J.S., Jung, S.W., Ki, J.-S., Guo, R., Kim, H.J., Lee K.-W. & Lee, J.H. (2017). Transfer of the small diatoms Thalassiosira proschkinae and T. spinulata to the genus Minidiscus and their taxonomic re-description. PLoS One 12(9 e0181980): 1-.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.

Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.

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G.M. Guiry in Guiry, M.D. & Guiry, G.M. 25 March 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 31 May 2023

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