Pr. C. 7 Didemnum Savigny(Sea Squirts)

 

Phylum: Chordata  

SubPhylum : Tunicata

Class: Ascidiacea

Order: Aplousobranchia

Family: Didemnidae

Genus: Didemnum

 

Description

Ascidian is a protochordate & it is commonly called as “Sea Squirts”. It is a marine, sedentary animal. Didemnum is a  colonial ascidian. Stigmata in 4 rows, vas deferens coiled testis follicles not more than 2, calcareous spicules present in the test, atrial siphon not present and they do not open directly to the surface.

IUCN: Not evaluated