Lewiniosphaera Pröschold & Darienko, 2020

Holotype species: Lewiniosphaera symbiontica Pröschold & Darienko

Original publication and holotype designation: Pröschold, T. & Darienko, T. (2020). Choricystis and Lewiniosphaera gen. nov. (Trebouxiophyceae, Chlorophyta), two different green algal endosymbionts in freshwater sponges. Symbiosis 82: 175-188, 7 fig.

Description: Young cells are solitary, broadly ellipsoidal, slightly polygonal or irregular; 3.5–4.5 µm. Mature vegetative cells are broadly ellipsoidal, ovoid, spherical, up to 5.0 × 5.5 µm in size. Old cells are spherical up to 8.0 µm in diameter. Chloroplast parietal cup-shaped possesses a single pyrenoid surrounded by starch grains. Cytoplasm is vacuolized. Asexual reproduction by autosporulation. The 2–4 autospores are produced per cell. Autosporangia are 5.0 × 6.5 ?m in size. Autospores are released after rupture of the mother cell wall.

Information contributed by: Original description.. The most recent alteration to this page was made on 2021-10-22 by M.D. Guiry.

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

Comments: "The genus was named in honor of Prof. Dr. Ralph A. Lewin (1921–2008) for his contributions to phycology."

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Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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.

Linking to this page: https://www.algaebase.org/search/genus/detail/?genus_id=52878

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 22 October 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 25 April 2024