PPT-Chondrichthyes
Author : liane-varnes | Published Date : 2016-06-03
An Overview Chondrichthyes Are jawed cartilaginous fish composed of sharks skates and rays They have a skeleton made up of cartilage and do not have any bones They
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Chondrichthyes: Transcript
An Overview Chondrichthyes Are jawed cartilaginous fish composed of sharks skates and rays They have a skeleton made up of cartilage and do not have any bones They have existed on earth for over 400 million years. Name the three parts of the cranium. Synonym for dermal bone?. What does this mean in terms of development?. Synonym for replacement bone?. What does this mean in terms of develoment?. Skull - Agnatha. Which of the following traits is shared by all vertebrates, at least in some developmental stages, except the lampreys?. notochord. vertebrae. cartilaginous skeleton. cranium (head). mouth with jaws. Class Agnatha, Chondrichthyes, Osteichthyes. (Sharks, Rays, Bony Fish). Agnatha:. Lack a Jaw and Paired fins. Skeleton is Cartilaginous. They have seven or more paired gills. Chondrichthyes. :. They mainly live in marine areas, but some live in freshwater. Lampreys are...facesucking vampires?. lampreys hagfish Chondrichthyes Osteichthyes. Cyclostomata. Vertebrata. Cyclostomata Gnathostomata. Cyclostomata. Vertebrata. anterior. posterior. Phylum . Chordata. Subphylum . Urochordata. (. Tunicata. ). Subphylum . Cephalochordata. “. Craniata. ” group. Subphylum Vertebrata. Superclass . Agnatha. Superclass . Gnathostomata. Traditional organization of Vertebrate Taxonomy. AGNATHA -Jawless Fishes. CHONDRICHTHYES -Sharks, skates, rays and chimeras. OSTEICHTHYES -Bony Fishes. AMPHIBIA -Amphibians. REPTILIA -Reptiles. MAMMALIA -Mammals. Cartilaginous Fish”. Kingdom: Animalia. Phylum: Chordata. Sub Phylum: . Crainiata. Class: . Chondrichthyes. General Characteristics. Possess movable jaws . that . usually have . teeth. Mouth . is .
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