Mastoneis Cleve, 1894

Holotype species: Mastoneis biformis (Grunow) Cleve

Publication details: Cleve, 1894: 194

Original publication and holotype designation: Cleve, P.T. (1894). Synopsis of the naviculoid diatoms. Part I. Kongliga Svenska Vetenskapsakademiens Handlingar Series 4 26(2): 1-194, 5 pls.

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Description: Valves with the combination of pseudoloculate walls, external foramina in a single zone of nearly uniform single poroids vs. internal with four foramina per areola, and every 2nd or 3rd interstria (virga) thickened internally by costae in a distinctive outer zone, evident in LM. Differing from Mastogloia in the absence of partecta on the 11 of 12 valvocopulae, from Aneumastus and Mastogloiopsis in lack of any small chambering or channel between valvocopula and valve, and from Decussiphycus in plastid shape, wall structure, and transapical striae.

Information contributed by: Lobban (2025). The most recent alteration to this page was made on 2025-05-04 by M.D. Guiry.

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

Gender: This genus name is currently treated as feminine.

Most recent taxonomic treatment adopted: Lobban, C.S. (2025). Marine apartectal (chamberless) Mastogloiaceae (Diatomeae: Bacillariales): Paramastogloia cubana gen. nov., sp. nov., new observations and emended diagnosis of Mastoneis, and comparison with Mastogloiopsis. Taxonomy 5(24): 1–12, 6 figures, 1 tables.

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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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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=46911

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 04 May 2025. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 20 May 2025