Bony fish
Hag fish
Lamprey
Sharks and rays
(both of these are known as cartilaginous fish)
Lob-finned fish
This is a very simplified classification of something that is very complex. To see the full tree, try WikiSpieces.
Most fish are not jawless. There is a small group of very primitive fish called Jawless fish (Agnatha). However, they make up a very small proportion (<1%) of the fish species on earth. Jawless fish are things like lamprey and hagfish. All other fish, like trout, salmon, tuna, sharks, rays, cichlids, goldfish, etc, etc, have jaws. See the related link for more information on the primitive jawless fish.
All members of the Genus Barbourofelis and Family Barbourofelidae are extinct but several members of the Class (Feliformia) that Barbourofelis belonged to are living today. Modern examples of animals in the Class Feliformia include cats (including large, wild cats like tigers and lions as well as housecats) and hyenas.
Examples for diploblastic animals are the following: The members of phylum: cnidarians and phylum ctenophore are diploblastic Cnidarians include hydra, jellyfishes, corals, sea pen, sea fan, sea anemones, obelia, physalia, etc.
The US Senate has 100 members, with each state being represented by two senators.
When environmental conditions change it is more likely that at least some members of a species will survive if there is variation among the members.
jawless fishes
lamprey (sometimes also called lamprey eel) is a jawless fish with a toothed, funnel-like sucking mouth. While lampreys are well known for those species which bore into the flesh of other fish to suck their blood, these species make up the minority. In zoology, lampreys are often not considered to be true fish because of their vastly different morphology and physiology
Hagfish and lampreys have gills. They are the only living members of a primitive group of fish without jaws. They have round sucker-like mouths.
Most fish are not jawless. There is a small group of very primitive fish called Jawless fish (Agnatha). However, they make up a very small proportion (<1%) of the fish species on earth. Jawless fish are things like lamprey and hagfish. All other fish, like trout, salmon, tuna, sharks, rays, cichlids, goldfish, etc, etc, have jaws. See the related link for more information on the primitive jawless fish.
examples of the community members
They are members of cartilaginous class of fish.
They are members of cartilaginous class of fish.
No, members is a common, plural noun. The words club, committee, or board are examples of collective nouns that are made up of members.
Taking tests/exams, Family members, etc.
A subset is a division of a set in which all members of the subset are members of the set. Examples: Men is a subset of the set people. Prime numbers is a subset of numbers.
fish The vertebrates have a nebulous starting point. There are some chordates that have more of a notochord than a true vertebrate column. Some taxicologists are more comfortable saying that a Coelacanth has a notochord rather than a vertebrate column when clearly the vertebrate are present in this animal. So its is a matter of your own definition. One could say 'at a stretch' that the hagfish and lamprey are the most ancient vertebrates.
They are all members of the woodwind family.