• The evolution of fishes took place over a timeline which spans the Cambrian to the Cenozoic, including during that time in particular the Devonian, which...
    120 KB (6,310 words) - 10:49, 22 June 2025
  • Thumbnail for Timeline of human evolution
    The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history...
    88 KB (3,512 words) - 16:38, 19 June 2025
  • Thumbnail for Evolution of fish
    Comparative anatomy Evolution of paired fins Ichthyolith Convergent evolution in fish List of fossil sites Lists of prehistoric fish List of years in paleontology...
    47 KB (4,535 words) - 16:12, 23 May 2025
  • fish List of placoderms List of acanthodians List of prehistoric cartilaginous fish List of prehistoric bony fish List of sarcopterygians Evolution of...
    2 KB (219 words) - 13:55, 15 January 2025
  • Thumbnail for Chimaera
    Chimaera (redirect from Chimera (fish))
    Chimaeras are cartilaginous fish in the order Chimaeriformes (/kɪˈmɛrɪfɔːrmiːz/), known informally as ghost sharks, rat fish (not to be confused with rattails)...
    29 KB (2,918 words) - 06:01, 8 June 2025
  • Evolutionary history of plants (timeline) Geologic time scale History of Earth Sociocultural evolution Timeline of human evolution McKinney 1997, p. 110...
    85 KB (4,819 words) - 23:46, 19 June 2025
  • Thumbnail for Elasmobranchii
    Elasmobranchii (/ɪˌlæzməˈbræŋkiaɪ/) is a subclass of Chondrichthyes or cartilaginous fish, including modern sharks (division Selachii), and batomorphs...
    23 KB (2,517 words) - 13:40, 23 June 2025
  • Thumbnail for Agnatha
    Agnatha (redirect from Jawless fish)
    or jawless fish is a paraphyletic infraphylum of animals in the subphylum Vertebrata of the phylum Chordata, characterized by the lack of jaws. The group...
    44 KB (2,850 words) - 11:11, 19 May 2025
  • Thumbnail for Cyclostomi
    στόμα (stóma), meaning "mouth", is a superclass of vertebrates that comprises the living jawless fish classes: the lampreys and hagfishes. Both groups...
    23 KB (1,943 words) - 17:15, 19 June 2025
  • Thumbnail for Fish
    ichthyosaurs, have secondarily acquired a fish-like body shape through convergent evolution. On the other hand, Fishes of the World comments that "it is increasingly...
    103 KB (10,247 words) - 03:16, 27 June 2025
  • Thumbnail for Chondrichthyes
    (ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage...
    45 KB (2,440 words) - 09:54, 24 June 2025
  • Thumbnail for Actinopterygii
    (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...
    48 KB (3,758 words) - 00:44, 15 May 2025
  • Thumbnail for Snailfish
    Snailfish (redirect from Snail fish)
    confused with invertebrate sea snails), are a family of marine ray-finned fishes. These fishes make up the Liparidae, a family classified within the...
    35 KB (3,901 words) - 18:42, 17 June 2025
  • Thumbnail for Placoderm
    Placoderm (redirect from Armored fish)
    claspers in cartilaginous fishes. The similarities between the structures has been revealed to be an example of convergent evolution. While the claspers in...
    43 KB (4,326 words) - 01:14, 19 May 2025
  • Thumbnail for Osteichthyes
    (ostéon) 'bone' and ἰχθύς (ikhthús) 'fish'), also known as osteichthyans or commonly referred to as the bony fish, is a diverse clade of vertebrate animals that have...
    32 KB (2,184 words) - 14:42, 8 June 2025
  • Thumbnail for Gnathostomata
    Gnathostomata (redirect from Jawed fish)
    "Comparative study of cartilaginous fish divulges insights into the early evolution of primary, secondary and mucosal lymphoid tissue architecture". Fish & Shellfish...
    30 KB (2,044 words) - 02:17, 27 June 2025
  • Thumbnail for Teleost
    (1981). "The Evolution of Parental Care in Fishes, with reference to Darwin's rule of male sexual selection". Environmental Biology of Fishes. 6 (2): 223–251...
    98 KB (10,148 words) - 12:33, 23 May 2025
  • Thumbnail for Sarcopterygii
    descent of tetrapods from lobe-finned fish, despite the former being assigned a higher taxonomic rank. Evolution of lobe-finned fishes Lobe-finned fishes and...
    43 KB (3,361 words) - 05:39, 2 June 2025
  • subclass of non-neopterygian ray-finned fish. While the term originally referred to the paraphyletic grouping of all non-neopterygian ray-finned fish, it was...
    4 KB (321 words) - 04:16, 26 May 2025
  • Thumbnail for Lancelet
    Lancelet (category CS1 maint: DOI inactive as of November 2024)
    (sg.: amphioxus /ˌæmfiˈɒksəs/ AM-fee-OK-səs), consist of 32 described species of somewhat fish-like benthic filter feeding chordates in the subphylum...
    65 KB (6,433 words) - 16:41, 12 June 2025
  • Thumbnail for Cathaymyrus
    Cathaymyrus is a genus of Early Cambrian chordate known from the Chengjiang biota in Yunnan Province, China. Both species have a long segmented body with...
    3 KB (286 words) - 11:55, 24 May 2025
  • Thumbnail for Coelacanth
    Coelacanth (category Fish of the Comoros)
    Coelacanths (/ˈsiːləkænθ/ SEE-lə-kanth) are an ancient group of lobe-finned fish (Sarcopterygii) in the class Actinistia. As sarcopterygians, they are...
    72 KB (6,700 words) - 23:56, 25 June 2025
  • Thumbnail for Cephalaspidomorphi
    Cephalaspidomorphi (category Paleozoic jawless fish)
    (2016-02-22). Fishes of the World (1 ed.). Wiley. doi:10.1002/9781119174844. ISBN 978-1-118-34233-6. Morales, Edwin H. Colbert, Michael (1991). Evolution of the...
    9 KB (979 words) - 13:59, 8 June 2025
  • oldest fish, or the oldest ancestor of humans, it is generally viewed as a basal chordate alongside other Cambrian chordates; it is a close relative of vertebrate...
    51 KB (5,792 words) - 15:03, 22 May 2025
  • Thumbnail for Acanthodii
    Acanthodii (category Prehistoric cartilaginous fish)
    is an extinct class of gnathostomes (jawed fishes). They are currently considered to represent a paraphyletic grade of various fish lineages basal to extant...
    18 KB (1,407 words) - 21:29, 19 June 2025
  • Thumbnail for Conodont
    Conodont (category CS1 maint: DOI inactive as of December 2024)
    description. Conodont elements consist of mineralised teeth-like structures of varying morphology and complexity. The evolution of mineralized tissues has been...
    52 KB (5,038 words) - 19:51, 19 June 2025
  • Thumbnail for Anaspida
    Anaspida (category Prehistoric fish classes)
    group of jawless fish that existed from the early Silurian period to the late Devonian period. They were classically regarded as the ancestors of lampreys...
    11 KB (896 words) - 23:19, 22 June 2025
  • Thumbnail for Iniopterygiformes
    Iniopterygiformes (category Devonian cartilaginous fish)
    abbreviated as "iniops") is an extinct order of cartilaginous fish known only from the Carboniferous period of the United States. Iniopterygians are characterized...
    4 KB (346 words) - 12:43, 8 May 2025
  • Thumbnail for Ostracoderm
    Ostracoderm (category Paleozoic jawless fish)
     'shell-skins') or ostracoderms is an informal group of vertebrate animals that include all armored jawless fish of the Paleozoic Era. The term does not often appear...
    16 KB (1,054 words) - 19:22, 4 May 2025
  • Thumbnail for Onychodontiformes
    Onychodontiformes (category Prehistoric lobe-finned fish)
    ; Zhao, W.; Jia, L. (2016). "A Devonian predatory fish provides insights into the early evolution of modern sarcopterygians". Science Advances. 2 (6):...
    4 KB (151 words) - 06:09, 8 October 2023