Class osteichthyes examples. 2 10. Figure 10. Chondrichthyes, derived from the Greek words “chondr” meaning cartilage and “ichthys” meaning fish, refers to a class of jawed fishes characterized by their cartilaginous skeletons. Class Osteichthyes - Largest and most diverse chordate group. 6. It is the largest class of vertebrates in existence today. Jan 30, 2023 · Osteichthyes: Bony Fishes. a cichlid is a bony fish and also a vertebrate. (ii) Body is generally spindle shaped. Osteichthyes are found in marine environments, brackish water, or freshwater. Hippocampus (Seahorse) Nov 21, 2023 · Examples of air-breathing fish include the mudskipper, lungfish, bowfin, and gar. The class is one of the two great groups of living fishes, the other being the osteichthians, or bony fishes. The vast majority of present-day fishes belong to this group, which consists of approximately 30,000 species, making it the largest class of vertebrates in existence today. The tail is heterocercal, the vertebral column extending into the dorsal part of the caudal fin. Jul 31, 2023 · Osteichthyes: Classification, Characteristics and Examples. The largest bony fish is the ocean sunfish or common mola, which weighs up to 2. Ray-finned fish. Nov 21, 2023 · Examples of fish from the Osteichthyes class include tuna, cod, seahorses, and sunfish. Fish classification has undergone major revisions, and further What is an example of Chondrichthyes and Osteichthyes? Chondrichthyes is a class of jawed fishes having a cartilaginous skeleton. The fishes of this clade have traditionally been termed “bony fishes” ( Osteichthyes ), because Aug 17, 2021 · Osteichthyes Examples. There are various characteristics that characterise bony fishes, including a bone skeleton, scales, paired fins, one set of gill openings The osteichthyes, or bony fish, represent the largest taxonomic class of vertebrates in the modern world. Compare and contrast chrondrichthyes and osteichthyes. Learn More Blue Tang. Answer and Explanation: 1 Ans. This fish serves as a popular delicious fish. May 8, 2024 · class Osteichthyes: 1 n a class of fish having a skeleton composed of bone in addition to cartilage Synonyms: Osteichthyes Type of: class (biology) a taxonomic group containing one or more orders In this article we will discuss about the classification of osteichthyes. com/watch?v=WS2ueU_Q6LANext Video: https://www. With over 26,000 species, they comprise over 95 percent of all fish species. Learn More Barracudas. The fascinating world of Osteichthyes, commonly known as bony fish, is a class of jawed fish characterized by a skeleton primarily made of bone. Example Definitions Formulaes. Lobe-finned fish. Paddle-like fins with a fleshy base. examples: hagfish and lamprey. Members of Actinopterygii are called the ray-finned fish, while members of Sarcopterygii are called lobe-finned fish. (more) chondrichthyan, (class Chondrichthyes), any member of the diverse group of cartilaginous fishes that includes the sharks, skates, rays, and chimaeras. Match the descriptions with their proper categorization in classes Chondrichthyes and Osteichthyes. Class Amphibia. 80FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE. C) all have bones instead of cartilage. Their jaw suspension is autostylic. Nov 1, 2016 · Chondr ichth yes. There's actually some controversy among taxonomists about what to call it. Example: Labeo (Rohu) and Synchiropus spledidus (mandarin fish) Jun 29, 2022 · The five main groups of vertebrates are fish, amphibians, reptiles, birds, and mammals. It diverged from Chondrichthyes 420 million years ago. Air bladder is present which regulates This allows for sharks and rays to swim quickly and for long distances while requiring less energy due to their lighter body plan. A) are invertebrates. Gills can absorb lower concentrations of available oxygen. fleshy, paired fins, which are joined to the body by a single bone, possess two dorsal fins with separate bases. A. The class Osteichthyes is the largest class of vertebrates, with around 28,000 members. Some of the freshwater forms are the carp, perch, bass, trout, catfish, sucker, etc. The Chondrichthyes (cartilaginous fish) are the extant sister clade of the Osteichthyes. Parental care is performed by male. Shark skeleton made of cartilage. Ray-finned fishes make up about half of all known vertebrate species . (gas exchange between water and blood). These fish are grouped into two subclasses known as Actinopterygii and Sarcopterygii. Nov 21, 2023 · An example of this is seen in the gills. Jan 19, 2017 · Class Agnatha. Enter the correct letter in each field below. This has produced particular tissue adaptations, such as gill and scales, and a variety of body forms to exploit various niches in the aquatic environment. Unlike the agnathans, bony fishes have jaws. This line is a series of sensory organs called neuromasts, that help the fish sense vibrations, water pressure, navigate, and locate prey. Several well-known examples of bony fish include: Ray-finned Fish Bony Fishes that Live in the Ocean. Fertilization can be internal or external, and they have scales for external covering. Osteichthyes (bone-fish) or bony fishes are a taxonomic group of fish that have bone, as opposed to cartilaginous skeletons. Osteichthyes translation and audio pronunciation. 12 Class Osteichthyes 1. Class Osteichthyes includes both marine and fresh water fishes with bony endoskeleton. Osteichthyes fishes are another group of fishes, which are bony fishes. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Jun 11, 2018 · Osteichthyes The class that comprises the bony fish; with more than 25 000 species it is the largest class of vertebrate animals. Most of them live in the ocean. Class Osteichthyes includes all bony fishes. In the early to middle Silurian, a lineage of fishes with bony endoskeletons gave rise to a clade of vertebrates that contains 96% of the living fishes and all of the living tetrapods. Members of the clade Osteichthyes, also called bony fishes, are characterized by a bony skeleton. , while the marine fishes are the tarpon, meckerel, tuna, sailfish, barracula, flying The ray-finned ‘bony fishes’ include all the commonest marine species of to-day (e. Lungfish. The body is covered with minute and microscopic placoid scales, the skin is tough. Cartilage composes the endoskeleton of the Chondrichthyes. Class Mammalia. No external ears. As their name suggests, they are boney fish that dwell in both fresh water and salt water around the globe. The teleosts include virtually all the world’s important sport and commercial Pronounce Osteichthyes in English. Hippocampus (sea horse) The male bears brood pouch in which female lays eggs and remain there till they hatch. Exocoetus (flying fish) Osteichthyes have a lateral lie that runs across the side of their body. Class Osteichthyes - Sardines, goldfish, catfish, swordfish, and tuna are examples. Latin name: Carcharodon carcharhias. There are actually more categories, since bony fish are separate from jawless fish (lampreys and hagfish), cartilaginous fish (sharks and rays), and lobe-fin fish (lungfish and coelacanths). Weight: Well under an ounce to 5,000 pounds. Class Chondrichthyes - Also called cartilaginous fishes due to the cartilaginous endoskeleton. CLASS OSTEICHTHYES. The classes Agnatha, Chondrichthyes, and Osteichthyes have in common that they. , the l ungfish and coelacanth), which have fleshy fins. Most bony fish belong to the Actinopterygii. In this article, we will cover the three types of fish. Also called bony fishes due to the bony skeleton. Below is a cladogram to show these relationships: Explain on Class Osteichthyes. ክፍሉ አሁን በተለምዶ በሁለት ንዑስ ክፍሎች የተከፈለ ነው፡ Sarcopterygii (lobe-finned fish) እና Actinopterygii (ray-finned fish)። Sarcopterygii እንደ coelacanths እና lungfish የመሳሰሉ ቀደምት 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. Osteichthyes: A class of fishes that includes fishes with a bony skeleton. So the correct option is A. Fish have evolved to manage essential life processes in water. Class Chondrichthyes B. May 16, 2024 · Diverse species of fish are included in the class, such as sharks, rays, skates, and chimaeras. Moreover, the mouth is present on the ventral side of the body. They form the largest class of vertebrates, with over 28,000 known species. Answer and Explanation: 1 May 9, 2024 · reptile, any member of the class Reptilia, the group of air-breathing vertebrates that have internal fertilization, amniotic development, and epidermal scales covering part or all of their body. Then came bony fish (Osteichthyes), which are a group that includes all those species that have gills and bladder. These groups are the bony fish, the cartilaginous fish, and jawless fish. Gills used for respiration. The actinopterygians, or ray-finned fish, are one of the two major clades of bony fish (Osteichthyes), the other being the lobe-finned fish, or Sarcopterygians. Actinopterygii - ray-finned fishes. Pisces have a streamlined body with a close circulatory system. Sarcopterygii. Examples of freshwater bony fish include carp, perch Osteichthyes belongs to Kingdom Animalia and consists of all bony fishes. Osteichthyes is the most numerous and diverse group of vertebrates, occupying virtually all large bodies of water, from polar seas to hot undersea vents to land-locked lakes. This separates them from the lobe-finned fishes (Class Sarcopterygii, e. As suggested by th eir name, the cartilaginous fish or Chondrichthye s (Greek: chond r = 'cartila ge'; icht hys = 'fish '), lack true bones and their ske leton is compose d. Typically, bony fish have a bony skeleton, gill chambers covered by a gill cover , and usually a swim-bladder ; there are usually many flat, bony scales embedded in the skin, with epidermis over them. Unlike cartilaginous fish, members of this group have a mineralized endoskeleton. In lung fishes internal nares are also present. Learn More Balloonfish. There are a total of 45 orders under the Class Osteichthyes; There are a greater number of Sarcopterygian species than Actinopterygian The exoskeleton, if present comprises cycloid, ctenoid or ganoid scales, which are dermal in origin. The body is divided into head, trunk, and tail regions. having the ability to swim, walk, and perch, having a light and strong skeleton since its internal structure is similar to a honeycomb. Tuna, bass, salmon, and trout are examples of Osteichthyes. The skeleton can be bony or cartilaginous. Click the card to flip 👆. Aug 14, 2018 · Osteichthyes – Definition, Characteristics, Behavior. Sep 2, 2019 · Class agnatha are the third group included in the common classification of fish. Skeletal system begins at the spine. All other bony fish. They are mostly marine fishes. This is not surprising considering four fifths of the earth's surface is covered with water. Unlike the visible gill slits seen in sharks, bony fish have gills that are covered by a flap called an operculum, which moves to pump water over the gills Teleost. View solution > . Jul 13, 2017 · Characteristics Chondrichthyes (Cartilaginous fish) Osteichthyes (Bony fish) Habitat: Mainly marine: Marine as well as freshwater: Symmetry: Usually dorsoventrally flattened Chondrichthyes. Regardless of the sheer number of fish species, all species can be broken into three main taxonomic groups or superclasses. Share. toothless lower jaw because teeth have been replaced by a beak. Category 4: B. Osteichthyes 6 days ago · Osteichthyes: 1 n a class of fish having a skeleton composed of bone in addition to cartilage Synonyms: class Osteichthyes Type of: class (biology) a taxonomic group containing one or more orders Feb 15, 2018 · The group of ray-finned fishes (Class Actinopterygii) encompasses over 20,000 species of fish that have 'rays,' or spines, in their fins. Their respiratory organs are gills that are covered in the operculum. Teleostei ( / ˌtɛliˈɒstiaɪ /; Greek teleios "complete" + osteon "bone"), members of which are known as teleosts ( / ˈtɛliɒsts, ˈtiːli -/ ), [4] is, by far, the largest infraclass in the class Actinopterygii, the ray-finned fishes, [a] and contains 96% of all extant species of fish. The mouth is ventral in position. Osteichthyes, on the other hand, are known as bony fish and constitute the largest class of vertebrates. Following agnatha revolution we have cartilaginous or chondrichthyes (Chondrichthyes), such as rays, sawfish, electric rays and sharks. 4 million yen, which is $1,760,000. Osteichthyes is the largest class of vertebrates, with over 28,000 species of fish. Get a hint. Mar 1, 2021 · Salamanders and frogs are examples of animals in the class. May 29, 2023 · laying eggs with a hard shell. Category 3: A. Along with the chondrosteans and the holosteans, they are one of the three major subdivisions of the class Actinopterygii, the most advanced of the bony fishes. Solution. How to say class Osteichthyes in English? Pronunciation of class Osteichthyes with 2 audio pronunciations, 1 synonym, 1 meaning, 9 translations and more for class Osteichthyes. Very few species of Sarcopterygii are not extinct. NEET. Labeo rohita (rohu) Found in fresh water. There are 8 living species of Coelacanth and 6 species of lungfish. Sarcopterygii, lobe-finned fish, coelacanths and lungfish. 600) como em número de indivíduos. g. All of the bony fish are members of the class Osteichthyes. Agnatha (Jawless Fish) Osteichthyes. Bony fish have a skeleton much stiffer than the Apr 12, 2024 · Osteichthyes – Nga ahuatanga, te whakarōpūtanga me nga tauira. Pronunciation guide: Learn how to pronounce Osteichthyes in English with native pronunciation. They are present only in marine water. Jul 14, 2023 · This is the largest class of vertebrates, comprising over 29,000 species. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. THE BONY FISHES. It lives in both freshwater and marine habitats. The second class is the Actinopterygii and contains fish such as gars, sturgeons, bowfins, and the very large group of fishes known as the telelosts. (iii) Skin is either naked or covered with cycloid or ctenoid scales. Common Names: Bony fish, ray-finned and lobe-finned fishes. . B) are fish. Class Osteichthyes (the bony fish) is the largest class of vertebrates with over 20,000 species. their fins are webs of skin supported by bony or horny spines, compromising nearly 99% of the over 30,000 species of fish; common fish that Translations of class Osteichthyes. - ray-finned fishes - most bony fishes and largest single group of chordates - well adapted; successful in marine and freshwater - carnivores, herbivores, parasites, and scavengers. Skin is covered with cycloid/ctenoid scales. com/watch?v=jg8ugj4UzsE ️📚👉 Watch Full Free Course: https://www. Origin, Evolution, and Diversity. May 23, 2024 · Osteichthyes, a category that includes 28,000 species of fish and 45 orders, spanning 435 families, is made up of the bulk of fish species. Muscles attach to skeleton. Chondrichthyes: -Cartilaginous fishes -Rays, sharks, skates -External gill slits -Lateral line -Placoid scales Class Osteichthyes: Bony fish -Largest chordate group (by species) Divided into two subclasses: -Ray-finned fishes - goldfish, catfish, gars, tuna, seahorses, swordfish, trout Osteichthyes: Bony Fishes. Oct 15, 2017 · Learn how to say Osteichthyes with EmmaSaying free pronunciation tutorials. Class Osteichthyes Flashcards | Quizlet. All mammals. Osteichthyes, also known as bony fish, are a diverse group of vertebrates characterized by skeletons primarily composed of bone tissue. Their body is streamlined. Teleosts are arranged into about 40 orders Osteichthyes: Bony Fishes. Learn the Osteichthyes definition and understand their characteristics. Like all fishes, Osteichthyes are cold-blooded vertebrates that breathe through gills and use fins for swimming. These are the sharks and rays. The vast majority of fish are osteichthyes, which is an extremely diverse and abundant group consisting of 45 orders, with over 435 families and 28,000 species. Amphibia. Examples of Osteichthyes. Jun 15, 2022 · In January 2013, at an auction in Tokyo's Tsukiji fish market, a 222-kilogram (489-pound) tuna caught off northeastern Japan sold for 155. 4. of Previous Video: https://www. There are well over 30,000 to 40,000 living species, both freshwater and marine. Cloaca is absent in bony fishes. Hagfishes are minor pests of commercial food fisheries of the North Atlantic, but lampreys, because of their parasitic habit, have been a serious Biology questions and answers. 27,000 species of fishes. Actinopterygii, ray-finned fish. Now, Osteichthyes is sometimes considered a superclass, because it includes a whole slew of diverse classes that descended from it. See examples of OSTEICHTHYES used in a sentence. Learn More Atlantic Spadefish. Biology questions and answers. Bony Fish: Members of the class Osteichthyes are bony fish belonging to at least 28,000 identified species. The total numbers of fishes exceed that of all other kinds of vertebrates combined. List out the differences between class-Chondrichthyes and class Osteichthyes. Mouth is mostly terminal (Figure). Definition and meaning can be found here:https://www. Their air-bladders are Cartilaginous fishes have skeletons composed mostly of cartilage while bony fish have a skeleton composed mostly of bone. External fertilization: spawning, oviparous. (i) Osteichthyes are marine and fresh water fishes with partly or whole bony endoskeleton. From freshwater fish like salmon and trout to marine species such as tuna and clownfish, Osteichthyes are incredibly diverse and can be found in various aquatic habitats. The vertebrae are bone, and protect the internal organs as well as maintain the shape of the fins. What are 3 examples of Osteichthyes? Aug 24, 2022 · Osteichthyes, traditionally considered as an taxonomic class, is now known to be a paraphyletic group. This class of vertebrates includes amphibians. There are three classes of fishes: FISHES. The Osteichthyes include the ray-finned fish (subclass or class Actinopterygii) and lobe finned fish (subclass or Jun 13, 2023 · Osteichthyes. They are what most people think of when they imagine a fish. They include also some of those peculiar and Chondrichthyes ( / kɒnˈdrɪkθi. youtube. (iv) Heart is either two chambered containing one auricle and one ventricle. Class Actinopterygii. teleost, (infraclass Teleostei), any member of a large and extremely diverse group of ray-finned fishes. Basic Animal Group: Fish. Osteichthyes, known as the bony fish, are a taxonomic class (or superclass) of fish and the largest class of vertebrates in existence today. 2: An ocean sunfish, the most massive bony fish in the world, can reach up to 11 feet long and weigh up to 5,070 pounds! The third class of fish is called the osteichthyes, which means 'bony fishes. They have paired limbs, calciferous bones, scales, jaws, and gills. The majority of the fish that humans eat are members of Osteichthyes, so they are both an interesting and Science. Esses animais são abundantes em águas doces ou salgadas, em águas rasas ou profundas. Feb 11, 2021 · Osteichthyes is taxonomic superclass of the phylum Chordata (chordates) and includes groups of fish that have skeletons mainly composed of bone tissues. There are only eight living species of lobe-finned fish (Sarcopterygii) including the lungfish and coelacanths. Boney fish are comprised of a hard calcareous skeleton and are coated in slippery, sometimes sharp scales. Lifespan: A few months to 100 years or longer. This class of vertebrates is the largest and includes an array of both marine and freshwater fish, each with unique characteristics and Fish - Classification, Jawless, Cartilaginous & Bony Fishes: Fishes are typically divided into three groups: superclass Agnatha (jawless fishes), class Chondrichthyes (cartilaginous fishes), and superclass Osteichthyes (bony fishes). 6. Meet Osteichthyes, which technically means, "the bony fish". Subphylum Vertebrata: Bony Fish, Sharks, Skates, Rays Learn with flashcards, games, and more — for free. Osteichthyes are cold-blooded vertebrates, like other fishes, which breathe through gills and even swim with the help of their flippers or fins. Paired pelvic fins are provided with claspers in males. Discover the sub-classes of Osteichthyes Jul 14, 2020 · This class contains fish such as the coelacanths and the lungfishes along with all terrestrial vertebrates from cows to humans. ' Unlike the agnathans, bony fishes have jaws. Unlike chondrichthyes, osteichthyes have skeletons predominantly composed of bone. Size: From below a half inch to 26 feet long. more coelacanths. Because of their numbers (more than 20,000 species), diversity, and range, the bony fish play a major role in virtually all marine and freshwater ecosystems . Jun 13, 2023 · Chondrichthyes. Class Osteichthyes: Species in the class Osteichthyes are more commonly known as bony fish. google. Paired fins made of rays and spines, or lobed fins lacking the rays and spines. We will dive into these three types and what makes them different from one another. Jul 12, 2019 · Fast Facts: Bony Fish. The latter two groups are included within the infraphylum Gnathostomata (jawed vertebrates). Skin with mucus gland. Osteichthyes include a wide range of fish species. Osteichthyes is a category of the class Pisces. They exhibit separate sexes and possess a well-developed digestive system. The mouth is terminal. They can be contrasted with the Osteichthyes or bony fish, which have The shark is completely unaffected by the remora's presence. Learn More Osteichthyes definition: the class comprising the bony fishes. Fish that have skeletons consisting of hard rubber-like cartilage rather than bone are members of the class Chondrichthyes. D) all of these choices are correct. What type of skin or body covering do they have? 3. The class includes a diverse group of fishes including sharks, rays, skates and chimaeras. Ko te Osteichthyes, e mohiotia ana ko te ika koiwi, he momo kanorau o nga vertebrates e tohuhia ana e nga angaahi he kiko koiwi. Osteichthyes is the class of bony fish with an endoskeleton made up of bones. The other group of fishes are bony fishes, which are included in the class Osteichthyes. iːz /; from Ancient Greek χόνδρος (khóndros) 'cartilage', and ἰχθύς (ikhthús) 'fish') is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage. The major groups of living reptiles—the turtles (order Testudines), tuatara (order Rhynchocephalia [Sphenodontida]), lizards and snakes (order The characteristics of class Chondrichthyes are, operculum (covering of the gills) is absent. The bony fish differ from the Agnatha because they have jaws. For example- Scoliodon, Pristis (saw-fish), Chimaera. Class Osteichthyes. 3 tonnes. being bipedal. Digestive tract leads into an anus. cod, sole, herring, eels) as well as the numerous forms that occur in freshwater lakes and streams of almost every country. Also called cartilaginous fishes (due to cartilaginous endoskeleton). Everybody is familiar with the Great White. Ko ratou te roopu nui rawa atu o nga whaikorero, neke atu i te 28,000 nga momo e mohiotia ana. a heart consisting of four chambers. The nervous system of fishes is poorly developed compared to other vertebrates. 2. Class - Osteichthyes. They have four pairs of gills which are covered by an operculum on each side. Various types of scales (ctenoid, ganoid, or cycloid). Medium. They encompass a vast array of fish species, including familiar examples like salmon, tuna, and goldfish. What are the components of a fish's brain and nerves? 🌟Well developed brain: 1. No eyes. 1,000 species of fishes. 5. Biology. Fins are supported by stiff rays and/or bony spines. flattened and large breastbone. Osteichthyes is a classification that contains all bony fishes. Chondrichthyes is a class of jawed fishes having a cartilaginous skeleton. General characteristics of all fishes (class Agnatha, class Chondrichthyes, class Osteichthyes) “Water breathing” through gills which are modified pharyngeal slits. Marine and fresh water species. CLASS CHONDRICHTHYES A-Osteichthyes, B-Chondrichthyes, C-Chondrichthyes; Scoliodon (Dogfish) and Pristis (Sawfish) are examples of Class Chondrichthyes. Furthermore, these two types of fish fall under different taxonomic groups – Cartilaginous fish are grouped under the class Chondrichthyes and all bony fish fall under the superclass Osteichthyes. Great White Shark. It is currently the biggest class of vertebrates. The osteichthyes, or bony fish, represent the largest taxonomic class of vertebrates in the modern world. The reproductive organs, claspers, in males are absent. Class Osteichthyes 1. Differences between Chondrichthyes and Osteichthyes: Example- sharks, rays, skates, etc Apr 12, 2024 · የ Osteichthyes ምደባ በጊዜ ሂደት ክለሳዎች ተካሂደዋል. Bony fishes share several distinguishing features: a skeleton of bone, scales, paired fins, one pair of gill openings, jaws, and paired nostrils. Fishes in the class Chondrichthyes are included in the division Gnathostomata since they have jaws. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Osteichthyes. Scientific Name: Osteichthyes, Actinopterygii, Sacropterygii. Unlike the bony fishes known as Osteichthyes, which have skeletons primarily composed of bone tissue, Chondrichthyes have skeletons Bony Fish Atlantic Porkfish. The gill openings are vertical, set very low down on the sides of the neck, and each is covered with a flap of skin, paralleling the gill cover of bony fishes. Have lungs, internal organs for gas exchange between air and the blood. Their endoskeleton is bony. Bony fish can be found in both freshwater and marine environments. com/search?q=define+Os Os Osteichthyes, ou peixes ósseos, representam o maior grupo de vertebrados, tanto em número de espécies (mais de 23. Do they have any unique structures? (Why are they in this class and not another?) 2. the marginal pairset edgewise, the lower jaw with a pair of marginal plates set edgewise. Osteichthyes: Bony Fishes. With that being said, let’s have a look at some examples! 1. External nares lie on the dorsal surface of the snout. Explore the class Osteichthyes. Através a radiação adaptativa, eles desenvolveram uma enorme variação de formas e estruturas. Nov 9, 2023 · Category 2: B. The Classification of Chondrichthyes. The class Osteichthyes includes a large assemblage of true bony fishes. ys io zg bz gy at ip un fn yg