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| − | '''''[[Leedsichtys|''Leedsichtys problematicus'']] '''''was an 80 ft filter-feeding fish from the Jurassic time period. This is the largest fish that ever lived and its closest modern-day relative is the bowfin. It shows signs of parallel evolution with the baleen whales and modern filter-feeding sharks (especially the basking shark). It was probably a passive feeder, swimming with its mouth open and on occassion closing the jaws to squeeze the water out and swallow the plankton. |
+ | {{Infobox Fish|name = Leedsichthys problematicus|order = †Pachycormiformes|family = †Pachycormidae|class = Actinopterygi|phylum = Chordata|period = Middle Jurassic period|locate = England, France, Germany, Chile|diet = plankton|size = under debate, about 16 meters}}'''''[[Leedsichtys|''Leedsichtys problematicus'']] '''''was an 80 ft filter-feeding fish from the Jurassic time period. This is the largest fish that ever lived and its closest modern-day relative is the bowfin. It shows signs of parallel evolution with the baleen whales and modern filter-feeding sharks (especially the basking shark). It was probably a passive feeder, swimming with its mouth open and on occassion closing the jaws to squeeze the water out and swallow the plankton. |
Like the other plankton-eating animals, [[Leedsichthys|''Leedsichthys'']] was likely a migratory, nomadic creature, travelling around the world in search of plankton. Its giant sized protected it from smaller predators, like [[Hybodus|''Hybodus'']], a prehistoric shark, and [[Metriorhynchus|''Metriorhynchus'']], an aquatic crocodilian, but the bigger carnivores, the pliosaurs, were probably a regular threat to this giant. |
Like the other plankton-eating animals, [[Leedsichthys|''Leedsichthys'']] was likely a migratory, nomadic creature, travelling around the world in search of plankton. Its giant sized protected it from smaller predators, like [[Hybodus|''Hybodus'']], a prehistoric shark, and [[Metriorhynchus|''Metriorhynchus'']], an aquatic crocodilian, but the bigger carnivores, the pliosaurs, were probably a regular threat to this giant. |
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Revision as of 11:56, 21 April 2015
| Leedsichthys problematicus | ||||
|---|---|---|---|---|
| Name | Leedsichthys problematicus | |||
| Order | †Pachycormiformes | |||
| family | †Pachycormidae | |||
| Class | Actinopterygi | |||
| Phylum | Chordata | |||
| Period | Middle Jurassic period | |||
| Location | England, France, Germany, Chile | |||
| Diet | plankton | |||
| Length | under debate, about 16 meters | |||
Leedsichtys problematicus was an 80 ft filter-feeding fish from the Jurassic time period. This is the largest fish that ever lived and its closest modern-day relative is the bowfin. It shows signs of parallel evolution with the baleen whales and modern filter-feeding sharks (especially the basking shark). It was probably a passive feeder, swimming with its mouth open and on occassion closing the jaws to squeeze the water out and swallow the plankton.
Like the other plankton-eating animals, Leedsichthys was likely a migratory, nomadic creature, travelling around the world in search of plankton. Its giant sized protected it from smaller predators, like Hybodus, a prehistoric shark, and Metriorhynchus, an aquatic crocodilian, but the bigger carnivores, the pliosaurs, were probably a regular threat to this giant.
Discovery
The first remains of Leedsichthys were identified in the nineteenth century. Especially important were the finds by the British collector Alfred Nicholson Leeds, after whom the genus was named "Leeds' fish" in 1889.
