Tag Archives | Phylum Chordata

Dipnoi: Distribution, Structure and Evidence | Lung Fish

In this article we will discuss about Dipnoi:- 1. Introduction to Dipnoi 2. Geographical Distribution of Dipnoi 3. Palaeozoic Records 4. Habit and Habitat 5. External Structures 6. Skeletal Structures 7. Digestive System 8. Respiratory System 9. Circulatory System 10. Nervous System 11. Endocrine System 12. Excretory System 13. Reproductive System 14. Affinities 15. Cytogenetic Evidence. Contents: Introduction to Dipnoi [...]

By |2016-07-22T08:09:48+00:00July 22, 2016|Fish|Comments Off on Dipnoi: Distribution, Structure and Evidence | Lung Fish

Lata Fish: Systematic Position, Distribution and Structure

In this article we will discuss about Lata Fish:- 1. Systematic Position of Lata Fish 2. Habit and Habitat of Lata Fish 3. Geographical Distribution 4. External Structures 5. Digestive System 6. Respiratory System 7. Circulatory System 8. Other Systems. Contents: Systematic Position of Lata Fish Habit and Habitat of Lata Fish Geographical Distribution of Lata Fish External Structures of [...]

By |2016-07-22T08:09:47+00:00July 22, 2016|Fish|Comments Off on Lata Fish: Systematic Position, Distribution and Structure

Evolution and Classification of Fishes | Phylum Chordata

The below mentioned article provides a note on the evolution and classification of fishes. Fishes are generally grouped into three broad categories: the placoderms, the carti­laginous fishes and the bony fishes. The placoderms include the primitive and extinct fishes, the cartilaginous fishes comprise the elasmobranchs and the holocephali, while the bony fishes include the Actinopterygians, Crossopterygians and Dipnoans. Each of [...]

By |2016-07-22T08:09:47+00:00July 22, 2016|Fish|Comments Off on Evolution and Classification of Fishes | Phylum Chordata
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