The following points highlight the top three non-segmented coelomate groups. The groups are: 1. Phylum Sipuncula 2. Phylum Echiura 3. Phylum Priapulida. Non-Segmented Coelomate Group # 1. Phylum Sipuncula: Sipunculids: This group includes nearly 2350 species of which the largest is Siphonomecus multicinctus (nearly 51 cm). The other important genera are Sipunculus sp. (Fig. 17.47B), […]
Top 3 Non-Segmented Coelomate Groups
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Phylum Pogonophora: Features, Affinities and Phylogenetic Relationship
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In this article we will discuss about Phylum Pogonophora:- 1. Taxonomic Retrospect of Phylum Pogonophora 2. Characteristic Features of Phylum Pogonophora 3. Classification 4. Affinities 5. Phylogenetic Relationship. Taxonomic Retrospect of Phylum Pogonophora: 1. The first species of Pogonophore was collected in Indonesia in the year 1900. 2. Uschakov, a Russian Biologist in the year […]
Difference between Coelom and Pseduocoelom| Phylum Annelida
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The upcoming discussion will update you about the difference between Coelom and Pseduocoelom. Difference # Coelom: 1. Fluid filled perivisceral cavity of most triploblastic animals (e.g., most annelids, echinoderms and vertebrates), situated between the body wall and gut. In arthropods and molluscs, it is not the perivisceral cavity; it forms the cavity of excretory organs […]
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