- Agnatha
- Ikan
- Chordata
- Belut lintah
- Filum hewan
- Devon (zaman)
- Conodont
- Evolusi ikan
- Cyclostomi
- Anaspida
- Agnatha
- Vertebrate
- Ichthyology
- Metaspriggina
- Taxonomy of fish
- Fish
- List of largest fish
- Evolution of fish
- List of fishes of the North Sea
- List of animal classes
- Agnatha - Wikipedia
- Jawless Fish - Characteristics And Examples - AnimalWised
- agnathan - Encyclopedia Britannica
- Agnatha - Characteristics, Classification, Morphology, …
- Agnathan - Evolution, Classification, Jawless | Britannica
- Jawless Fish - Examples, Characteristics, Classification & Picture
- Agnatha or Jawless Fish: Everything You Need to Know - My …
- AGNATES or Jawless Fish - Characteristics and Examples (With …
- Agnatha - Classification, Metabolism, Reproduction and FAQs
- Agnatha - The Encyclopedia of Biology - Biology Learn
Agnatha GudangMovies21 Rebahinxxi LK21
Agnatha ("hewan tidak berahang") atau Cyclostomata ("hewan bermulut lingkar") adalah salah satu superkelas dari Craniata (hewan bertengkorak). Walaupun hidup di air, agnatha tidak dapat dikatakan sebagai ikan secara biologi karena tidak berahang, siripnya tidak berpasangan,dan rangka tubuhnya tersusun dari tulang rawan.
Ke dalam agnatha termasuk semua lamprey (Petromyzodonti) dan remang (Myxini).
Struktur Tubuh
Sesuai dengan namanya, Agnatha tidak mempunyai rahang. Mulut berbentuk lingkaran, gigi dari zat tanduk, dan mempunyai lidah. Kulit tidak bersisik, rangka dari tulang rawan dan jantung beruang dua. Hidup di laut dan bernapas dengan insang. Lamprey adalah parasit pada ikan besar, dapat memakan daging inangnya hingga tinggal kulitnya saja. Pencernaan makanan berupa pipa lurus, mempunyai anus, tanpa kloaka.
Referensi
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Agnatha
AGNATHA
Agnatha | Bioslut
Agnatha
Agnatha
Agnatha - 7 Classes of the Phylum Chordata
Class Agnatha - 7 Vertebrates
Agnatha | Wiki | Everipedia
Agnatha - definition of Agnatha by The Free Dictionary
Agnatha - Wikipedia
Agnatha by avancna on DeviantArt
Phylum Agnatha - ANIMAL KINGDOM
agnatha
Daftar Isi
Agnatha - Wikipedia
Agnatha (/ ˈæɡnəθə, æɡˈneɪθə /; [3] from Ancient Greek ἀ- (a-) 'without' and γνάθος (gnáthos) 'jaws') is a paraphyletic infraphylum [4] of non- gnathostome vertebrates, or jawless fish, in the phylum Chordata, subphylum Vertebrata, consisting of both living (cyclostomes) and extinct (conodonts, anaspids, and ostracoderms, among others).
Jawless Fish - Characteristics And Examples - AnimalWised
Agnatha species, or jawless fish, are said to be the earliest vertebrates ever recorded, that are believed to be present during the Paleozoic era. In fact, the evolution of fishis claimed to have begun with jawless fish.
agnathan - Encyclopedia Britannica
agnathan, (superclass Agnatha), any member of the group of primitive jawless fishes that includes the lampreys (order Petromyzoniformes), hagfishes (order Myxiniformes), and several extinct groups.
Agnatha - Characteristics, Classification, Morphology, …
Apr 12, 2024 · The Agnatha, meaning “without jaws,” is a superclass of jawless fish within the phylum Chordata and subphylum Vertebrata. It encompasses both living species, known as cyclostomes, and extinct species like conodonts and ostracoderms.
Agnathan - Evolution, Classification, Jawless | Britannica
Agnathan - Evolution, Classification, Jawless: Superclass Agnatha have fossils dating from the Ordovician Period, and are distinguishable from the other craniates by their lack of jaws. Living orders are Petromyzontiformes (lampreys) and Myxiniformes (hagfishes).
Jawless Fish - Examples, Characteristics, Classification & Picture
Jul 9, 2024 · Jawless fish, belonging to the infraphylum Agnatha, are unique among vertebrates due to their lack of jaws. They possess long, cylindrical bodies devoid of paired fins and scales and feature seven or more paired gill pouches.
Agnatha or Jawless Fish: Everything You Need to Know - My …
Dec 27, 2022 · What is an agnatha? The term agnatha encompasses a biological group that brings together vertebrates that don’t have jaws. Its name comes from the Greek agnatha, “a” (without) and “gnatha” (jaws).
AGNATES or Jawless Fish - Characteristics and Examples (With …
Jan 23, 2025 · Agnathus are fish that began to exist 470 million years ago. Although most have become extinct, some types still survive that feed in a unique way. They can be found in waters around the world and share few characteristics with other marine animals.
Agnatha - Classification, Metabolism, Reproduction and FAQs
Agnatha ('without jaws') is a jawless fish superclass in the phylum Chordata, subphylum Vertebrata, that includes both living (cyclostomes) and extinct (conodonts and ostracoderms) species. The group is related to all vertebrates with jaws, which are referred to as gnathostomes.
Agnatha - The Encyclopedia of Biology - Biology Learn
Sep 13, 2024 · Agnatha is a superclass family of jawless vertebrate fish. That probably originated during the late Precambrian or early Cambrian. This superclass is the source of the oldest vertebrate fossils. Dating some 465 million years ago during the Paleozoic era.