웹2일 전 · Rajiformes. Rajiformes / ˈrædʒɪfɔːrmiːz / is one of the four orders in the superorder Batoidea, flattened cartilaginous fishes related to sharks. Rajiforms are distinguished by the presence of greatly enlarged pectoral fins, which reach as far forward as the sides of the head, with a generally flattened body. Batoidea is a superorder of cartilaginous fishes, commonly known as rays. They and their close relatives, ... All skates and some rays are oviparous (egg laying) while other rays are ovoviviparous, meaning that they give birth to young which develop in a womb but without involvement of a placenta. 더 보기 Batoidea is a superorder of cartilaginous fishes, commonly known as rays. They and their close relatives, the sharks, comprise the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over … 더 보기 Batoids are flat-bodied, and, like sharks, are cartilaginous fish, meaning they have a boneless skeleton made of a tough, elastic cartilage. Most batoids have five ventral slot … 더 보기 Most species live on the sea floor, in a variety of geographical regions – mainly in coastal waters, although some live in deep waters to at least 3,000 metres (9,800 ft). Most batoids have a 더 보기 The classification of batoids is currently undergoing revision; however, molecular evidence refutes the hypothesis that skates and rays are … 더 보기 Batoids reproduce in a number of ways. As is characteristic of elasmobranchs, batoids undergo internal fertilization. Internal fertilization is … 더 보기 Most batoids have developed heavy, rounded teeth for crushing the shells of bottom-dwelling species such as snails, clams, 더 보기 Batoids belong to the ancient lineage of cartilaginous fishes. Fossil denticles (tooth-like scales in the skin) resembling those of today's chondrichthyans date at least as far back as the Ordovician, with the oldest unambiguous fossils of cartilaginous fish dating from the middle 더 보기

Batoidea - Thai / English dictionary meaning ภาษาอังกฤษ แปล ...

웹Traduzione di "Batoidea" in italiano . razze è la traduzione di "Batoidea" in italiano. Esempio di frase tradotta: Selachimorpha (or Selachii), Batoidea (to be defined by species according to landing, survey or catch data) ↔ Selachimorpha (o Selachii), Batoidea (da definire per specie in funzione dei dati relativi a sbarchi, campagne di ricerca e catture) 웹Batoidei: [plural noun] an order or suborder of Hypotremata comprising somewhat dorsoventrally flattened elasmobranch fishes including the skates, rays, guitarfishes, … passive cpu thin

Batoidea definition English dictionary for learners Reverso

웹2024년 4월 5일 · Meaning of BATOIDEA in English. bəˈtȯidēə noun plural. Usage: capitalized. Etymology: New Latin, from Batis, genus of fish (from Greek, a flat fish) + -oidea: Batoidei when considered a suborder of Hypotremata. Webster's New International English Dictionary. 웹datasets have provided data to the NBN Atlas for this infraclass. Browse the list of datasets and find organisations you can join if you are interested in participating in a survey for species of Batoidea . Accepted Name. 웹2024년 3월 31일 · Batoidea. A taxonomic superorder within the subclass Elasmobranchii – the rays. tin-plates