Craspedida

Craspedida is an order of choanoflagellate, with members with an exclusively organic covering.

Craspedid genera

Salpingoeca rosetta

S. rosetta has been named for the rosette-shaped colonies formed by its cells. Recent studies show a bacterial sulfonolipid, called rosette inducing factor (RIF-1) produced by Algoriphagus machipongonensis triggers colony formation in S. rosetta.

References

• Extended phylogeny of the Craspedida (Choanomonada). Alexandra Jeuck, Hartmut Arndt and Frank Nitsche, European Journal of Protistology, Volume 50, Issue 4, August 2014, Pages 430–443, doi:10.1016/j.ejop.2014.06.001