Caspiobdella
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Caspiobdella
''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae The Piscicolidae are a family of jawless leeches in the order Rhynchobdellida that are parasitic on fish. They occur in both freshwater and seawater, have cylindrical bodies, and typically have a large, bell-shaped, anterior sucker with which the .... The species of this genus are found in Europe. Species: *'' Caspiobdella caspica'' *'' Caspiobdella fadejewi'' *'' Caspiobdella tuberculata'' *'' Caspiobdella volgensis'' References Piscicolidae {{annelid-stub ...
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Caspiobdella Fadejewi
''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae. The species of this genus are found in Europe. Species: *''Caspiobdella caspica ''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae The Piscicolidae are a family of jawless leeches in the order Rhynchobdellida that are parasitic on fish. They occur in both freshwater and seawater, have cylindric ...'' *'' Caspiobdella fadejewi'' *'' Caspiobdella tuberculata'' *'' Caspiobdella volgensis'' References Piscicolidae {{annelid-stub ...
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Caspiobdella Tuberculata
''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae. The species of this genus are found in Europe. Species: *''Caspiobdella caspica'' *''Caspiobdella fadejewi ''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae. The species of this genus are found in Europe. Species: *''Caspiobdella caspica ''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae ...'' *'' Caspiobdella tuberculata'' *'' Caspiobdella volgensis'' References Piscicolidae {{annelid-stub ...
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Caspiobdella Volgensis
''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae. The species of this genus are found in Europe. Species: *''Caspiobdella caspica'' *''Caspiobdella fadejewi'' *''Caspiobdella tuberculata ''Caspiobdella'' is a genus of annelids belonging to the family Piscicolidae. The species of this genus are found in Europe. Species: *''Caspiobdella caspica'' *''Caspiobdella fadejewi ''Caspiobdella'' is a genus of annelids belonging ...'' *'' Caspiobdella volgensis'' References Piscicolidae {{annelid-stub ...
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Piscicolidae
The Piscicolidae are a family of jawless leeches in the order Rhynchobdellida that are parasitic on fish. They occur in both freshwater and seawater, have cylindrical bodies, and typically have a large, bell-shaped, anterior sucker with which they cling to their host. Some of the leeches in this family have external gills, outgrowths of the body wall projecting laterally, the only group of leeches to exchange gases in this way. Worldwide, around 60 genera and 100 species of leeches are in this family, all parasitic on the blood of marine, estuarine, and freshwater fishes. These leeches are less common in the tropics, and more abundant in temperate and polar waters. Taxonomy Historically, the Piscicolidae have been divided into three subfamilies: the Pontobdellinae, characterised by two pairs of pulsatile vesicles on each urosome segment; the Pontobdellinae, characterised by a single pair of pulsatile vesicles on each urosome segment; and the Platybdellinae, with no pulsatile ve ...
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Annelids
The annelids (), also known as the segmented worms, are animals that comprise the phylum Annelida (; ). The phylum contains over 22,000 extant species, including ragworms, earthworms, and leeches. The species exist in and have adapted to various ecologies – some in marine environments as distinct as tidal zones and hydrothermal vents, others in fresh water, and yet others in moist terrestrial environments. The annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms. They also have parapodia for locomotion. Most textbooks still use the traditional division into polychaetes (almost all marine), oligochaetes (which include earthworms) and leech-like species. Cladistic research since 1997 has radically changed this scheme, viewing leeches as a sub-group of oligochaetes and oligochaetes as a sub-group of polychaetes. In addition, the Pogonophora, Echiura and Sipuncula, previously regarded as separate phyla, are now regarded as sub-group ...
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