Margaretta is a genus of bryozoans belonging to the family Margarettidae.
The genus has cosmopolitan distribution.
Species:
Margaretta amitabhae Di Martino & Taylor, 2015
Margaretta amplipora Sonar & Gaikwad, 2016
Margaretta aquitanica Canu, 1918
Margaretta barbata (Lamarck, 1816)
Margaretta bipartita (Reuss, 1869)
Margaretta buski Harmer, 1957
Margaretta cereoides (Ellis & Solander, 1786)
Margaretta chuakensis (Waters, 1907)
Margaretta coeca (Ortmann, 1890)
Margaretta congesta (Cheetham, 1963)
Margaretta fallax (Canu & Bassler, 1920)
Margaretta filiformis (Canu & Bassler, 1929)
Margaretta fusiformis Guha & Gopikrishna, 2007
Margaretta gracilior (Ortmann, 1892)
Margaretta gracilis (Canu & Bassler, 1929)
Margaretta guhai Sonar & Gaikwad, 2016
Margaretta hariparensis Sonar & Gaikwad, 2016
Margaretta levinseni (Canu & Bassler, 1930)
Margaretta longicollis Tilbrook, 2006
Margaretta nodifera (Canu & Bassler, 1920)
Margaretta opuntioides (Pallas, 1766)
Margaretta parviporosa (Canu & Bassler, 1920)
Margaretta pentaceratops Di Martino, Taylor & Portell, 2017
Margaretta punctata (Tenison Woods, 1880)
Margaretta rajui Guha & Gopikrishna, 2007
Margaretta tenuis Harmer, 1957
Margaretta triplex Harmer, 1957
Margaretta turgida (Terawi & Srivastava, 1967)
Margaretta vicksburgica (Canu & Bassler, 1920)
Margaretta watersi (Canu & Bassler, 1930)