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Results 1 - 10 from 14 for class chondrichthyes in 0.225 sec.

2007 IUCN Red List – Summary Statistics for Globally Threatened Species
Global Species Assessment.   Class MAMMALIA   Order EX EW Subtotal CR EN VU Subtotal LR/cd NT ... (Cephalaspidomorphi) 0 0 0 1 0 1 2 0 5 4 2 13   Class CHONDRICHTHYES   Order EX EW Subtotal CR EN VU Subtotal LR/cd NT DD LC ... 6 7 0 3 9 1 20 Subtotal (Chondrichthyes) 0 0 0 22 29 75 126 1 107 205 152 591   Class ACTINOPTERYGII   Order EX EW Subtotal ...
iucnredlist.org

Marine Vertebrates - MarineBio.org
In class Agnatha are the 75 species of jawless fish or Hagfish and Lampreys. Class Chondrichthyes contains 800 species of rays and sharks. Class Osteichthyes classifies bony ... 4400 mammals in the class Vertebrata. Class Agnatha This class includes the primitive jawless fish such as lampreys and hagfish of the order Myciniform. Class Chondrichthyes This class consists of cartilaginous ...
marinebio.org

The Structures and Adaptations to Marine Living - MarineBio.org
Devonian periods. The Acanthodii were small filter-feeders. The Chondrichthyes and Osteichthyes classes survived, adapting to many different ocean ... the many adaptations are as follows. Sharks in the class Chondrichthyes have to keep swimming, otherwise they will sink to ... development aiding in the survival of species in the class Chondrichthyes was the appearance of the lateral line. The lateral ...
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M21.htm
Osteichthyes See also: Fish body structures Measuring fish Fish tails and fins Fish head structures Fish body and mouth types Fish teeth and gill structure Carcharodon carcharias, great white shark, class Chondrichthyes ... ). The class Osteichthyes contains most of the species of extant (living) fishes. The sharks , rays , chimaeras , and their relatives are members of the class Chondrichthyes , ...
meer.org

M24.htm
Carcharodon carcharias, great white shark, Family Lamnidae, Tomiyama et. al., 1970 The Mackerel sharks (class Chondrichthyes , subclass Elasmobranchii ) have two dorsal fins without spines, and five gill slits. They usually have ...
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Endangered Species International
Class Agnatha), the cartilaginous sharks and rays (Class Chondrichthyes), and the boney fish (Class Osteichthyes), but Class Agnatha was then split into two classes, Class Myxini (hagfish) and Class Cephalaspidomorphi (lampreys ... primitive lineage than any other group that is more commonly defined fish (Chondrichthyes and Osteichthyes). In fact, the taxonomic term fish refers only to a ...
endangeredspeciesinternational.org

Endangered Species International
Fish Decline What can you do to save fish? Lampreys (Clade Hyperoartia and formerly Class Cephalaspidomorphi) Lampreys are eel-shaped jawless “fishes” (disputed if fish) that are found ... paired fins For more information on lampreys click here Cartilaginous-skeleton fishes (Clade Gnathostomata, Class Chondrichthyes) Cartilaginous-skeleton fishes do not have any true bone. Instead, their skeleton is ...
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Florida Museum of Natural History Ichthyology Department
Freshwater Sawfish species profile Dwarf Sawfish species profile Knifetooth Sawfish species profile Chondrichthyes Bibliography Search Freshwater Fishes of Florida References General Fish References Shark References Sawfish ... Commonly Asked Fish Questions Lamprey © Noel Burkhead What is the oldest class of fish, as a class? The most primitive group of fishes alive today are the Agnatha ...
www.flmnh.ufl.edu

2007 IUCN Red List – Search
Endangered Summary Classification Schemes Images & External Links Bibliography Full Account Taxonomy Kingdom: ANIMALIA Phylum: CHORDATA Class: CHONDRICHTHYES Order: SQUATINIFORMES Family: SQUATINIDAE Scientific Name: Squatina squatina Species Authority: (Linnaeus, 1758) Common Name/s ...
iucnredlist.org

mantaray
Meals will be eaten at different restaurants.
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