Balanoglossus is a marine, soft-bodied, vermiform invertebrate that lives in the coastal areas inside the burrow of sand or mud. It the previously considered a precursor of Chordata and known as primitive Chordata but now it is considered as a separate invertebrates phylum. Origin of Name of Balanoglossus: The name Balanoglossus comes from two Greek … Read more
When we try to place Balanoglossus in the animal kingdom then we face difficulties due to the presence of similarity of Balanoglossus with multiple groups of animals. So most of the workers get confused about the common features among different groups of animals with Balanoglossus. In past, most of the workers placed them under a … Read more
Balanoglossus show similarity with Echinodermata in many aspects both in the larval stage as well as in the adult stage and we will list all the phylogenetic similarities or affinities of Balanoglossus with Echinodermata. Affinities of Balanoglossus with Echinodermata in Adult Stage: There is a little resemblance between the adult Balanoglossus and adult Echinodermata, if … Read more
Balanoglossus is a group of animals that shows different similarities with different other groups of animals in different aspects. Those similarities between Balanoglossus and different other groups of animals inspired most of the workers to think about the relationship of Balanoglossus with another group of animals. Now we will discuss the resemblance of Balanoglossus with … Read more
We have discussed affinities between Balanoglossus with Chordata and now we will discuss affinities of Balanoglossus with other groups of animals, Rhynchocephalia, Phoronida, and Pogonophora. Affinities of Balanoglossus with Rhynchocephalia: Some workers find great resemblance of Balanoglossus with Rhynchocephalia in various aspects- The elongated and vermiform body shape of Balanoglossus is also present in Rhynchocephalia. … Read more
When we think about the systematic position of Balanoglossus in the animal’s kingdom then we face difficulties due to their similarity with both Chordata and Non-Chordata. For this reason, some workers place them under Chordata while some other workers place them into a separate group from the Chordata. Now we will focus on those affinities … Read more
Now we will discuss the excretory system, reproductive system, and nervous system, we will cover on following topics in this post – What is Primary Excretory Organ in Balanoglossus What is the mechanism of excretion in Balanoglossus The nature of excretory material in Balanoglossus General Overview of Nervous Systems in Balanoglossus Modes of Reproduction in … Read more
Now we will focus on the blood vascular system in Balanoglossus, the blood vascular system in Balanoglossus is open type or lacunar type, the body fluids are not limited to blood vessels, they open into a large body cavity. In an open vascular system, the visceral organ is present in the body fluids and take … Read more
Balanoglossus live in marine water and the required oxygen for respiration they collect from water. Now we will discuss all parts of their respiratory system and the mechanism of respiration in Balanoglossus. In Balanoglossus respiratory system have different parts – In phraynx the dorsal part, branchial portion of Balanoglossus have gill slits and they take … Read more
Now we will discuss how Balanoglossus collect their food and how their digestion occurs in their alimentary canal. We will focus on every part of their digestive system from mouth to anus. Alimentary Canal of Balanoglossus: Feeding and digestion of the food, everything occurs inside the alimentary canal which starts at the mouth opening and … Read more