Name: "Physactis" Kützing 1843
Etymology: Phys.ac’tis. Gr. fem. n. physis, growth; Gr. fem. n. aktis, a ray; N.L. fem. n. Physactis, probably meaning an organism with ray-like growth
Gender, pronunciation (Latin): feminine (stem: Physactin-), phys-AK-tis
Type species: "Physactis lobata" Kützing 1843
Original publication: Kützing FT. Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange. Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. F.A. Brockhaus, Leipzig, 1843.
Nomenclatural status: not validly published
Taxonomic status: preferred name (not correct name)
Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 2
| Name | Nomenclatural status | Taxonomic status |
|---|---|---|
| "Physactis lobata" Kützing 1843 | not validly published | preferred name |
| "Physactis saccata" Kützing 1843 | not validly published | preferred name |
Parent taxon: Rivulariaceae Rabenhorst ex Bornet and Flahault 1886
Assigned by: Komárek J, Golubić S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Published by the Authors, Třeboň and Boston, 1990.
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