•Cyclostomata•
• Cyclostomata body is elongated and like eel Tish.
• The median fins have cartilagenous fin Fays
• Cyclostomata do not have paired limbs.
• Their tail is divided into 2 lobes (diphycereal).
• The skin is soft, without seales and having mucnus glands.
• Cyclostomata endoskeleton is fibrous and made op of cartilage.
• The notochord is present for whole life span.
• Cyclostomata do not have true jaws.
• eir mouth is on ventral side, suctorial and circular in shape. Hence, the class is known as cyclostomata. (Greek words : Cyklos = rounded, stoma mouth).
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• Cyclostomata digestive tract, there is absence of stomach. Their intestine contain typhlosole.
• Cyclostomata are 5 to 16 pairs of gills.
• The heart has two chambers : one auriele and one ventricle. In the anterior side of heart, the cone artery called conus arteriosus is situated.
• Cyclostomata are poikolothermy i.e. cold blooded animals.
• Cyclostomata have two mesonephric type of kidneys.
• There is a presence of brain. There are 8 to 10 pairs of cranial nerves.
• Cyclostomata is a presence of single, median olfactory sae single, median nostril. The inner ear has semicircular canals. 2.
• Cyclostomata may be unisexual or bisexual animals. The 18 single, large and without gonoduct.
• Cyclostomata show external fertilization and the developmen direct or with long duration larval stage
class Cyclostomata. meaning of Cyclostomata. Classification of Cyclostomata.,
• class Cyclostomata. meaning of Cyclostomata. Classification of Cyclostomata.,
• class Cyclostomata. meaning of Cyclostomata. Classification of Cyclostomata.,
Cyclostomata
Cyclostomata
Cyclostomata
Cyclostomata
Cyclostomata
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