Haikouichthys, from about 518 million years ago in China, may be the earliest known fish.[1][additional citation(s) needed]
Prehistoric fish are early fish that are known only from fossil records. They are the earliest known vertebrates, and include the first and extinct fish that lived through the Cambrian to the Quaternary. The study of prehistoric fish is called paleoichthyology. A few living forms, such as the coelacanth are also referred to as prehistoric fish, or even living fossils, due to their current rarity and similarity to extinct forms. Fish which have become recently extinct are not usually referred to as prehistoric fish. They were very different from what we have today. They likely were larger and had tougher scales.
Lists of various prehistoric fishes include:
List of prehistoric jawless fish
List of placoderms
List of acanthodians
List of prehistoric cartilaginous fish
List of prehistoric bony fish
List of sarcopterygians
^Shu, D-G., Conway Morris, S., Han, J.; et al. (January 2003). "Head and backbone of the Early Cambrian vertebrate Haikouichthys". Nature. 421 (6922): 526–529. Bibcode:2003Natur.421..526S. doi:10.1038/nature01264. PMID 12556891. S2CID 4401274.{{cite journal}}: CS1 maint: multiple names: authors list (link)
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as prehistoricfish. They were very different from what we have today. They likely were larger and had tougher scales. Listsof various prehistoric fishes...
genera List ofprehistoric stylophoran genera Listsofprehistoricfish List ofprehistoric bony fish genera List ofprehistoric cartilaginous fish genera...
List of dinosaur genera List of fossil bird genera List of Late Quaternary prehistoric bird species List of fossil primates Listsofprehistoricfish List...
This list ofprehistoric cartilaginous fish genera is an attempt to create a comprehensive listing of all genera that have ever been included in the class...
This list ofprehistoric bony fish is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered...
This list ofprehistoric jawless fish is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered...
Comparative anatomy Evolution of paired fins Ichthyolith Convergent evolution in fish List of fossil sites Listsofprehistoricfish List of years in paleontology...
1901 †Amylodon Europe, Late Cretaceous–Oligocene List ofprehistoric cartilaginous fish List of chimaeras Acanthothoraci Ptyctodontida Froese, Rainer...
The snailfishes or sea snails are a family of marine ray-finned fishes. These fishes make up the Liparidae, which is classified within the order Scorpaeniformes...
considered to be fish, making "fish" a paraphyletic group. Fish have been an important natural resource for humans since prehistoric times, especially...
In addition to this, some placoderms (extinct fish with bony plates) were shown to have a third pair of paired appendages, that had been modified to claspers...
of Chondrichthyes or cartilaginous fish, including modern sharks (superorder Selachii), rays, skates, and sawfish (superorder Batoidea). Members of this...
to as Cyclostomata /sɪkloʊˈstɒmətə/, is a group of vertebrates that comprises the living jawless fishes: the lampreys and hagfishes. Both groups have jawless...
(ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage...
name Euchondrocephali, is a subclass of cartilaginous fish in the class Chondrichthyes. The earliest fossils are of teeth and come from the Devonian period...
ofprehistoric sarcopterygian fish that lived during the Devonian period. The onychodontiforms are generally regarded as early-diverging members of the...
(gnáthos) 'jaws') is an infraphylum of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both living (cyclostomes) and extinct...
class Actinopterygii, the ray-finned fishes, and contains 96% of all extant species offish. Teleosts are arranged into about 40 orders and 448 families...
δέρμα (derma) 'skin') are vertebrate animals of the class Placodermi, an extinct group ofprehistoricfish known from Paleozoic fossils during the Silurian...
(ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species...
portal fish portal List of acanthodians List ofprehistoric bony fish List ofprehistoric cartilaginous fish List ofprehistoric jawless fish Placodermi...
is an extinct class of gnathostomes (jawed fishes). They are currently considered to represent a paraphyletic grade of various fish lineages basal to extant...
South African Journal of Science. 116 (3/4 March/April 2020). doi:10.17159/sajs.2020/7806. "Prehistoricfish offers rare glimpse of hidden sea life – Coelacanth...
(traditionally a class or subclass) including both a group of bony fish commonly referred to as lobe-finned fish, and tetrapods. They are characterised by prominent...
paleontology portal fish portal List ofprehistoric bony fish Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology...
list of thelodonts is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be members of the...
amphioxi (sg.: amphioxus /ˌæmfiˈɒksəs/ AM-fee-OK-səs), consist of some 30 to 35 species of "fish-like" benthic filter feeding chordates in the subphylum Cephalochordata...
group of non-neopterygian ray-finned fish. While the term originally referred to the paraphyletic grouping of all non-neopterygian ray-finned fish, it was...
is an extinct and poorly known order of cartilaginous fishes. They possessed "tooth-whorls" on the symphysis of either the lower or both jaws and pectoral...
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