Crouania

{{Short description|Genus of algae}}

{{use dmy dates|date=July 2020}}

{{Automatic taxobox

|image = Crouania attenuata Crouan.jpg

|image_caption = Crouania attenuata

|taxon = Crouania

|authority = J.Agardh, 1842

|subdivision_ranks = Species

|subdivision = See text

|type_species = Crouania attenuata

|type_species_authority = (C.Agardh) J.Agardh

}}

Crouania is a genus of red algae (Rhodophyta) in the Callithamniaceae family.

The name of the genus honours the French born Crouan brothers, Pierre-Louis Crouan (1798 - 1871) and Hippolyte-Marie Crouan (1802 - 1871).{{cite book|chapter-url=https://www.algaebase.org/search/genus/detail/?genus_id=33049|author=M.D. Guiry|editor-last= Guiry |editor-first=M.D. |editor2-last=Guiry |editor2-first=G.M.|date=2020|title= AlgaeBase. World-wide electronic publication, National University of Ireland, Galway|access-date= 20 July 2020|chapter=Crouania J.Agardh}}{{cite book | last=Burkhardt | first=Lotte | title=Eine Enzyklopädie zu eponymischen Pflanzennamen |trans-title=Encyclopedia of eponymic plant names | publisher=Botanic Garden and Botanical Museum, Freie Universität Berlin | year=2022 | isbn=978-3-946292-41-8 | url=https://doi.org/10.3372/epolist2022|format=pdf |language=German |location=Berlin | doi=10.3372/epolist2022 |access-date=January 27, 2022}}

It was first described by Jacob Georg Agardh in 1842, and the type species is Crouania attenuata.{{cite web|url=http://www.anbg.gov.au/cgi-bin/amani?taxon_id=495|title=Crouania J.Agardh|website=Australian Marine Algal Name Index (AMANI)}}{{cite book|last=Agardh |first=J.G. |date=1842|title= Algae maris Mediterranei et Adriatici, observationes in diagnosin specierum et dispositionem generum|pages= 83}}