Imaluop

Live in Marine Environment:  Members of the subphylum Urochordata generally live in marine environments and in almost all parts of the world they are observed. Urochordata lives in all depths of the ocean, shallow coastal areas as well as deep oceans.   They are Sedentary As Well As Pelagic: Most of the Urochordata are fixed at … Read more

What is Herdmania:  Herdmania is a marine animal that generally lives at the bottom of the ocean floor, remains in a sessile state. Herdmania is like a pouch due to its wrinkled outer covering or test.   Systematic Position of Herdmania:  In the animal kingdom when we try to place Herdmania we face difficulties due to … Read more

Affinities of Herdmania with Non-chordate:  Like porifera and coelenterata Urochordata are sessile live in marine environment.  Larval eyes and otocysts present in Urochordata show great similarity with some invertebrates.  In Herdmania intestine have typhlosole which also present in some other invertebrates.  Herdmania sometimes live in colonial form which shows great resemblance with some other invertebrates.  … Read more

Herdmania is a hermaphrodite animal, with both the male reproductive system and the female reproductive system present in each individual animal. But male and female gametes do not become mature simultaneously, Herdmania is protogynous so only one individual Herdmania is not able to reproduce, self-fertilization is not possible, two partners are required for fertilization.  Reproductive … Read more

Excretory System of Herdmania:  In Herdmania primary excretory organ is the neural gland, it is an elliptical brownish gland present above the nerve ganglion. The neural gland is present at the mid-region between the atrial siphon and branchial siphon, this gland has several branches. Through the entire length of the gland, a longitudinal canal run,s … Read more