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Batomorphi is a clade of cartilaginous fishes, commonly known as rays, this taxon is also known as the superorder Batoidea, but the 5th edition of Fishes of the World classifies it as the division Batomorphi. [2] They and their close relatives, the sharks, compose the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes ...
Aellopobatis (meaning "storm wind ray") is an extinct genus of spathobatid rays from the Late Jurassic (Tithonian age) Solnhofen Archipelago of Germany. The genus contains a single species , A. bavarica , known from several complete, well-preserved specimens.
Rajiformes / ˈ r æ dʒ ɪ f ɔːr m iː z / is one of the four orders in the clade Batomorphi, often referred to as the superorder Batoidea, flattened cartilaginous fishes related to sharks. [2] 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 ...
Some authors consider it as equivalent to Neoselachii (the crown group clade including modern sharks, rays, and all other descendants of their last common ancestor). Other authors use the name Elasmobranchii for a broader branch-based group of all chondrichthyans more closely related to modern sharks and rays than to Holocephali (the clade ...
Batomorphi: Order: Rhinopristiformes ... (thornback rays) [6] ... Alone or in combination, such features cause fishes in this group to be susceptible to extinction. ...
Camouflaged porcupine ray. Myliobatiformes (/ m ɪ l i ˈ ɒ b ə t ɪ f ɔːr m iː z /) is one of the four orders of batoids, cartilaginous fishes related to sharks. [2] [3] They were formerly included in the order Rajiformes, but more recent phylogenetic studies have shown the myliobatiforms to be a monophyletic group, and its more derived members evolved their highly flattened shapes ...
Skates are oviparous, meaning they lay eggs with very little development in the mother. This is one major difference from rays, which are viviparous , meaning they give birth to live young. When a female skate is fertilized, a protected case forms around the embryo called an egg case , or more commonly mermaid's purse.
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