Paulschulzia

Paulschulzia
Paulschulzia pseudovolvox
Scientific classification Edit this classification
Clade: Viridiplantae
Division: Chlorophyta
Class: Chlorophyceae
Order: Chlamydomonadales
Family: Tetrasporaceae
Genus: Paulschulzia
Skuja[1]
Type species
Paulschulzia pseudovolvox
(P.Schulz) Skuja[1]
Species

See text

Paulschulzia is a genus of green algae, specifically of the family Tetrasporaceae.[1]

The genus was circumscribed by Heinrich Leonhards Skuja in Symb. Bot. Upsal. vol.9 (3) on page 118 in 1948.

The genus name of Paulschulzia is in honour of Paul Schulz(-Danzig) (x – 1935), who was a German naturalist (Phycology and Palaeontology), teacher in Danzig.[2]

Paulschulzia consists of spherical to ellipsoidal colonies with usually 4 to 64 cells (sometimes more) embedded in a mucilaginous matrix; within the matrix there are subgroups of 4, 8, or 16 cells each with their own mucilage layer. Cells are spherical to ovoid, and sometimes with two long pseudoflagella extending out of the outer mucilage layer. Cells contain one nucleus and one cup-shaped or stellate chloroplast with a single pyrenoid. Asexual reproduction occurs by the fragmentation of colonies, or by biflagellate zoospores.[3]

Paulschulzia is similar to and closely related to the genus Tetraspora, with both consisting of colonies of cells embedded in an amorphous, mucilaginous matrix. Paulschulzia having subgroups of cells surrounded by their own mucilage layer.[4] However, the two genera separately do not form monophyletic groups.[5]

Species

As accepted by WoRMS;[6]

References

  1. ^ a b c Guiry, M.D.; Guiry, G.M. "Paulschulzia". AlgaeBase. University of Galway.
  2. ^ Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. S2CID 246307410. Retrieved 27 January 2022.
  3. ^ Guiry, M.D.; Guiry, G.M. "Paulschulzia". AlgaeBase. University of Galway. Retrieved 20 January 2024.
  4. ^ D. M. John; Brian A. Whitton; Alan J. Brook, eds. (2002). The freshwater algal flora of the British Isles: an identification guide to freshwater and terrestrial algae. Cambridge University Press. ISBN 978-0-521-77051-4.
  5. ^ Sausen, Nicole; Malavasi, Veronica; Melkonian, Michael (2018). "Molecular phylogeny, systematics, and revision of the type species of Lobomonas, L. francei (Volvocales, Chlorophyta) and closely related taxa". Journal of Phycology. 54 (2): 198–214. Bibcode:2018JPcgy..54..198S. doi:10.1111/jpy.12615. S2CID 4612659.
  6. ^ "Paulschulzia Skuja, 1948". www.marinespecies.org. WoRMS – World Register of Marine Species. Retrieved 21 October 2022.


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