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Group of extinct jawless vertebrates
Anaspida ("shieldless ones") is an extinct group of jawless fish that existed from the early Silurian period to the late Devonian period. They were classically
Anaspida
Subphylum of chordates
jawless fishes) Superclass †Anaspidomorphi (anaspids and relatives) Class †Anaspida (anaspids) Superclass Cyclostomata (cyclostomes) Class Myxini (hagfish)
Vertebrate
Phylum of animals having a dorsal nerve cord
Class †Myllokunmingiida Class †Pteraspidomorphi Class †Thelodonti Class †Anaspida Class †Cephalaspidomorphi Infraphylum Gnathostomata (jawed vertebrates)
Chordate
Paraphyletic infraphylum of fish
forms among the "ostracoderms" (jawless armored "fishes") of the class Anaspida, but this is increasingly considered an artificial arrangement based on
Agnatha
Gill-bearing non-tetrapod aquatic vertebrates
Cyclostomi (118 species: hagfish, lampreys) ? †Thelodonti, †Conodonta, †Anaspida †Galeaspida †Osteostraci Jawed †Placodermi ? †Acanthodii Chondrichthyes
Fish
Origin and diversification of fish through geologic time
†Pteraspidomorphi (jawless fish) ?†Thelodonti (jawless fish with scales) unnamed ?†Anaspida unnamed †Galeaspida (jawless fish with bone head shields) unnamed ?†Pituriaspida
Evolution_of_fish
Subclass of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Elasmobranchii
Superclass of jawless fishes
†Myllokunmingia †Metaspriggina Vertebrata Gnathostomata (jawed vertebrates) †Anaspida †Cornovichthys †Achanarella †Ciderius †Birkeniida †Lasanius †Euphanerops
Cyclostomi
Infraphylum of vertebrates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Gnathostomata
Extinct genus of jawless fishes
Septentrionia Scientific classification Kingdom: Animalia Phylum: Chordata Class: †Anaspida Order: †Birkeniiformes Family: †Septentrioniidae Genus: †Septentrionia
Septentrionia
Extinct superclass of jawless fishes
Family †Achanarellidae Newman, 2002 Family †Jamoytiidae White, 1946 Class †Anaspida Janvier, 1996 non Williston, 1917 Order †Endeiolepidiformes Berg, 1940
Anaspidomorphi
Class †Pteraspidomorphi (early jawless fish) Class †Thelodonti Class †Anaspida Class Petromyzontida or Hyperoartia Family Petromyzontidae (lampreys) Class
Taxonomy_of_fish
Class of eel-shaped, slime-producing animal
†Myllokunmingia †Metaspriggina Vertebrata Gnathostomata (jawed fish) †Anaspida †Cornovichthys †Achanarella †Ciderius †Birkeniida †Lasanius †Euphanerops
Hagfish
Class of ray-finned bony fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Actinopterygii
Extinct class of jawless fishes
and probably closely related, to fish of the classes Heterostraci and Anaspida, differing mainly in their covering of distinctive, small, spiny scales
Thelodonti
Subphylum of chordates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Lancelet
Class of lobe-finned fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Coelacanth
Extinct genus of jawless fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Haikouichthys
Extinct genus of jawless vertebrates
v t e Anaspida Kingdom: Animalia Clade: Bilateria Phylum: Chordata Clade: Olfactores Subphylum: Vertebrata Anaspida Cowielepis Kerreralepis Pharyngolepis
Jamoytius
Armored jawless fish of the Paleozoic
species took to the water column to be free-swimming organisms. †Anaspida (extinct) Anaspida ('no-shields') is an extinct group of primitive jawless vertebrates
Ostracoderm
Extinct class of jawless fishes
Cephalaspidomorphi as obsolete because relations among Osteostraci and Anaspida are unclear, and the relation of lampreys to these groups is no longer
Cephalaspidomorphi
Cartilaginous fish in the order Chimaeriformes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Chimaera
Diverse clade of vertebrate animals
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Osteichthyes
Extinct agnathan chordates resembling eels
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Conodont
Extinct genus of jawless fishes
Cowielepis is an extinct genus of jawless fish in the class Anaspida. It is from the Cowie Harbour fish bed (Cowie Formation) of Stonehaven, Scotland,
Cowielepis
Extinct family of jawless fishes
v t e Anaspida Kingdom: Animalia Clade: Bilateria Phylum: Chordata Clade: Olfactores Subphylum: Vertebrata Anaspida Cowielepis Kerreralepis Pharyngolepis
Euphaneropidae
Division or infraclass of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Teleost
Extinct genus of jawless fishes
Phylum: Chordata Infraphylum: Agnatha Superclass: †Anaspidomorphi Class: †Anaspida Order: †Birkeniiformes Family: †Rhyncholepididae Kiær 1924 corrig. Genus:
Rhyncholepis
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Lists_of_prehistoric_fish
Extinct genus of jawless fishes
Phylum: Chordata Infraphylum: Agnatha Superclass: †Anaspidomorphi Class: †Anaspida Order: †Birkeniiformes Family: †Birkeniidae Genus: †Birkenia Traquair 1898
Birkenia
Extinct family of jawless fishes
Phylum: Chordata Infraphylum: Agnatha Superclass: †Anaspidomorphi Class: †Anaspida Order: †Birkeniiformes Family: †Birkeniidae Traquair, 1899 Genera †Birkenia
Birkeniidae
Extinct genus of jawless fishes
Ctenopleuron is an extinct genus of jawless fish in the class Anaspida. It is considered to have existed in the Paleozoic epoch between 423 and 419 Ma
Ctenopleuron
Class of jawed cartilaginous fish
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Chondrichthyes
Family of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Snailfish
Cambrian fossil chordate
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Yunnanozoon
Extinct paraphyletic class of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Placoderm
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
List of prehistoric cartilaginous fish genera
List_of_prehistoric_cartilaginous_fish_genera
Study of the form or morphology of fishes
vertebrae extend into the lower lobe of the tail, making it longer (as in the Anaspida) Protocercal: vertebrae extend to the tip of the tail; the tail is symmetrical
Fish_anatomy
Clade of lobe-finned fish
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Sarcopterygii
Extinct genus of primitive chordates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Pikaia
Extinct genus of chordates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Zhongxiniscus
Extinct family of jawless fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Pituriaspida
Bony skin-covered spines or rays protruding from the body of a fish
lower lobe of the tail, making it longer than the upper lobe (as in the †Anaspida). It is the opposite of heterocercal. Hemiheterocercal refers to a condition
Fish_fin
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
List of prehistoric bony fish genera
List_of_prehistoric_bony_fish_genera
Extinct order of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Palaeoniscoid
Extinct order of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Xenacanthiformes
Extinct paraphyletic class of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Acanthodii
Extinct group of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Eugeneodontiformes
Clade of vertebrates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Rhipidistia
Genus of jawless fishes
Scientific classification Kingdom: Animalia Phylum: Chordata Class: ?†Anaspida Family: †Lasaniidae Genus: †Lasanius Traquair 1898 Type species Lasanius
Lasanius
Extinct genus of jawless fishes
Phylum: Chordata Infraphylum: Agnatha Superclass: †Anaspidomorphi Class: †Anaspida Order: †Birkeniiformes Family: †Pharyngolepididae Kiær 1924 corrig. Genus:
Pharyngolepis
Extinct order of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Petalodontiformes
Extinct order of cartilaginous fish
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Iniopterygiformes
Extinct genus of chordates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Cathaymyrus
Evolution of fish
adapted from the supports of the front two or three gill arches Anaspida Anaspida (without shield) is an extinct class of primitive jawless vertebrates
Timeline_of_fish_evolution
Clade of ray-finned fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Cladistia
Extinct genus of jawless fish
Liivilepis Scientific classification Kingdom: Animalia Phylum: Chordata Class: †Anaspida Order: †Birkeniiformes Family: †Septentrioniidae Genus: †Liivilepis Blom
Liivilepis
Extinct genus of jawless fishes
Phylum: Chordata Infraphylum: Agnatha Superclass: †Anaspidomorphi Class: †Anaspida Order: †Birkeniiformes Family: †Pterygolepididae Obručhev 1964 corrig.
Pterygolepis
Subclass of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Neopterygii
Class of chordates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Galeaspida
Extinct order of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Acanthodiformes
Extinct genus of jawless fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Drepanaspis
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
List_of_placoderm_genera
Subclass of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Chondrostei
Genus of Anaspida
v t e Anaspida Kingdom: Animalia Clade: Bilateria Phylum: Chordata Clade: Olfactores Subphylum: Vertebrata Anaspida Cowielepis Kerreralepis Pharyngolepis
Ramsaasalepis
Extinct class of jawless fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Osteostraci
Extinct class of jawless fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Pteraspidomorpha
Group of cartilaginous fish
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Holocephali
Extinct order of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Symmoriiformes
Extinct order of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Ctenacanthiformes
Extinct order of bony fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Onychodontiformes
Extinct paraphyletic order of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Climatiiformes
Extinct genus of jawless fishes
v t e Anaspida Kingdom: Animalia Clade: Bilateria Phylum: Chordata Clade: Olfactores Subphylum: Vertebrata Anaspida Cowielepis Kerreralepis Pharyngolepis
Ciderius
Extinct order of chondrichthyans
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Hybodontiformes
Extinct genus of jawless fishes
v t e Anaspida Kingdom: Animalia Clade: Bilateria Phylum: Chordata Clade: Olfactores Subphylum: Vertebrata Anaspida Cowielepis Kerreralepis Pharyngolepis
Cornovichthys
Extinct group of elasmobranchs
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Phoebodontiformes
1962 classification system
†Cephalaspis) Class 3. †Pteraspidomorphi (e.g., †Pteraspis) Class 4. †Anaspida (e.g., †Birkenia, †Jamoytius) Superclass 2. Gnathostomata Class 1. †Placodermi
Taxonomy of the vertebrates (Young, 1962)
Taxonomy_of_the_vertebrates_(Young,_1962)
Extinct order of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Diplacanthiformes
Genus of Conodont
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Promissum
Extinct order of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Pycnodontiformes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
List_of_acanthodian_genera
(Myxinidae and Petromyzontidae), jawless stem gnathostomes (Conodonta, Anaspida, Pteraspidomorphi, Thelodonti and Osteostraci) and placoderms, is published
2022_in_paleoichthyology
Extinct genus of fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Stensioella
Extinct order of chordates
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Paraconodontida
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
List_of_sarcopterygian_genera
Extinct order of cartilaginous fishes
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Ischnacanthiformes
Extinct clade of conodonts
†Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci Jawed fish †Placoderms
Prioniodontida
Miller, Märss & Blom Late Silurian Estonia United Kingdom A member of Anaspida belonging to the group Birkeniida, possibly a member of the family Septentrioniidae
2004_in_paleontology
ANASPIDA
ANASPIDA
ANASPIDA
ANASPIDA
Boy/Male
Tamil
Krishnala | கரஷà¯à®£à®²à®¾Â
Lord Krishna
Boy/Male
Indian
Practice or garden
Girl/Female
American, Australian, British, Christian, English, Italian, Latin
Little Dove; Gem; Precious Stone; Jewel
Girl/Female
Celebrity, Gujarati, Hindu, Indian, Kannada, Malayalam, Mythological, Oriya, Rajasthani, Tamil, Telugu, Traditional
Fortunate; Goddess Lakshmi
Girl/Female
Greek
Beautiful voice.
Boy/Male
Australian, French, Greek, Latin
Wise; The Name of the Great Greek Philosopher; Used by Greek Families; Whole Power
Boy/Male
Tamil
Ruler of the forest, The lion
Boy/Male
Hindu, Indian
It Vibrated
Boy/Male
Indian, Telugu
Brightness
Boy/Male
Arabic, Muslim
Servant of the Depraver
ANASPIDA
ANASPIDA
ANASPIDA
ANASPIDA
ANASPIDA