Marthea Pascher, 1918

Holotype species: Marthea tetras Pascher

Original publication and holotype designation: Pascher, A. (1918). Amoeboide Stadien bei einer Protococcales, nebst Bemerkungen über den primitiven Charakter nicht festsitzender Algenformen. Berichte der Deutschen Botanischen Gesellschaft 36(5): 253-260.

Description: Four celled cruciate colonies with cells in single plane; with 16 cells prior to sporangial release. Colony and cell dimensions not recorded. Cells spindle shaped to fusiform with basal end truncate and attached to central mucilaginous mass; upper end free and quickly tapering to point. Cell walls smooth. Cells uninucleate; single chloroplast band shaped and parietal with single pyrenoid. Asexual reproduction by autospores; four per sporangium. Autospores originally amoeboid, with contractile vacuoles and stigma, before aligning into new colony prior to sporangial release. Flagellated stages and sexual reproduction unknown. Marthea planktonic in freshwater; known only from original collections in Czechoslovakia. Genus poorly known and requires complete reinvestigation.

Information contributed by: D. Garbary and T. Kalina. The most recent alteration to this page was made on 2018-09-24 by M.D. Guiry.

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

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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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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=47396

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 24 September 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 24 November 2024