Species in this genus include: •
Botryllus arenaceus Monniot, 1988 •
Botryllus aster Monniot, 1991 •
Botryllus closionis Monniot, Monniot, Griffiths & Schleyer, 2001 •
Botryllus compositus Tokioka, 1967 •
Botryllus delicatus Okuyama & Saito, 2001 •
Botryllus eilatensis Shenkar & Monniot, 2006 •
Botryllus elegans (Quoy & Gaimard, 1834) •
Botryllus firmus Monniot & Monniot, 1996 •
Botryllus gregalis (Sluiter, 1898) •
Botryllus horridus Saito & Okuyama, 2003 •
Botryllus japonicus (Oka, 1931) •
Botryllus leptus Savigny, 1816 •
Botryllus maeandrius (Sluiter, 1898) •
Botryllus magnus Ritter, 1901 •
Botryllus mortenseni Millar, 1964 •
Botryllus ovalis Monniot, 1988 •
Botryllus perspicuum Herdman, 1886 •
Botryllus planus (Van Name, 1902) •
Botryllus primigenus Oka, 1928 •
Botryllus promiscuus Okuyama & Saito, 2002 •
Botryllus puniceus Saito & Nagasawa, 2003 •
Botryllus renierii (Lamarck, 1815) •
Botryllus rosaceus Savigny, 1816 •
Botryllus scalaris Saito & Mukai, 1981 •
Botryllus schlosseri (Pallas, 1766) •
Botryllus separatus Sluiter, 1904 •
Botryllus sexiensis Saito & Watanabe, 1981 •
Botryllus stewartensis Brewin, 1958 •
Botryllus stuhlmanni Michaelsen, 1918 •
Botryllus tabori Rodrigues, 1962 •
Botryllus tuberatus Ritter & Forsyth, 1917 ==References==