In this article we will discuss about the classification of subphylum cephalochordata. Historical Resume of Subphylum Cephalochordata: The first individual of this group was described by Pallas in 1778. He regarded the specimen as a slug and named it Umax lanceolatus. Yarrell (1836) studied the animal in detail and gave the name Amphioxus lanceolatus. Costa […]
Classification of Subphylum Cephalochordata
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Branchiostoma: Distribution, Structure and Systematic Position
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In this article we will discuss about Branchiostoma:- 1. Geographical Distribution of Branchiostoma 2. Habit and Habitat of Branchiostoma 3. External Structures 4. Body Wall 5. Supporting Structures 6. Locomotion 7. Digestive and Respiratory Systems 8. Mechanism of Feeding and Digestion 9. Circulatory System 10. Excretory System 11. Nervous System 12. Receptor Organs 13. Reproductive […]
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