Caulerpaceae

{{Short description|Family of algae}}

{{Automatic taxobox

| image = CaulerpaTaxifolia.jpg

| image_caption = Caulerpa taxifolia

| taxon = Caulerpaceae

| authority = Kützing, 1843

| subdivision_ranks = Genera

| subdivision_ref = {{cite web | url = http://www.algaebase.org/browse/taxonomy/#5149 | publisher = AlgaeBase version 4.2 World-wide electronic publication, National University of Ireland, Galway | access-date = 2021-12-03 | title = Family: Caulerpaceae taxonomy browser |author1=Guiry, M.D. |author2=Guiry, G.M. | year = 2007 }}

{{cite web |title=Halimeda - Journals & Books |url=https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/halimeda |website=www.sciencedirect.com |access-date=3 December 2021}}, f. i. Thomas N. Taylor, Michael Krings, et al.: Paleobotany (Second Edition), 2009:

CaulerpalesNCBI: [https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=35432&lvl=3&srchmode=3 Caulerpaceae Kützing, 1843] (family); graphic: [http://lifemap-ncbi.univ-lyon1.fr/?tid=35432 Caulerpaceae] on Lifemap NCBI]

| subdivision =

• Caulerpa
• Caulerpella

}}

Caulerpaceae is a family of green algae in the order Bryopsidales.

Caulerpaceae is considered to be a widespread and vital structural component of many Cenozoic-recent reefs. It is estimated to be responsible for approximately 25–30% of CaCO₃ in Neogene fossil reefs.