The following points highlight the ten representative types of Echinodermata. The types are: 1. Antedon 2. Holothuria 3. Cucumaria 4. Thyone 5. Echinus 6. Echinarachinus 7. Echinocardium 8. Astropecten 9. Pentaceros 10. Ophiothrix. Echinodermata: Type # 1. Antedon: Antedon (Fig. 86.1) is commonly known as feather star. Body consists of a central disc or calyx […]
10 Representative Types of Echinodermata
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Hemichordata: Characters and Classification (With Diagram)
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In this article we will discuss about Hemichordata:- 1. General Characters of Hemichordata 2. Classification of Hemichordata. General Characters of Hemichordata: 1. Solitary and colonial, mostly tubicolous, exclusively marine. 2. Body soft, fragile, vermiform and divisible into proboscis, collar and trunk. 3. Body wall with a single-layered epidermis. 4. Coelom enterocoelous, divisible into protocoel, mesocoel […]
Balanoglossus: Habitat, Development and Affinities
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In this article we will discuss about Balanoglossus:- 1. Habit and Habitat of Balanoglossus 2. External Morphology of Balanglossus 3. Body Wall 4. Coelom 5. Endoskeleton 6. Digestive System 7. Respiratory System 8. Blood Vascular System 9. Excretory System 10. Nervous System and Sense Organs 11. Reproductive System 12. Development 13. Affinities. Contents: Habit and […]
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