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Botrylloides magnicoecum, Bare Island.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Tunicata
Class: Ascidiacea
Order: Stolidobranchia
Family: Styelidae
Genus: Botrylloides sp.
(Milne-Edwards, 1841)[1]

Botrylloides is a genus of ascidian tunicates in the family Styelidae.


Like Botryllus, Botrylloides are flat sheets of organisms which can be found covering ropes, boat hulls, horseshoe crabs, seaweeds, and any still or slow-moving object in saltwater. Also both are considered to be invasive Ascidians, found in many ports around the world. Invasive tunicates such as these, Didemnum sp., and Styela clava are a problem for shellfish and other marine life populations, and cause fouling of boats and piers.

Species within the genus Botrylloides include:[1]

Species names currently considered to be synonyms:


  1. ^ a b Sanamyan, K. (2015). Botrylloides Milne Edwards, 1841 . In: Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira Da Rocha, R.; Swalla, B.J.; Turon, X. (2015) Ascidiacea World Database. Accessed through: World Register of Marine Species on 2015-12-23

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