†Leedsichthys problematicus
![[Image: Leedsichthys.jpg]](https://images.weserv.nl/?url=img1.wikia.nocookie.net%2F__cb20140426210804%2Fhungry-shark%2Fimages%2Fd%2Fd3%2FLeedsichthys.jpg)
Size: 11.4-14.9m
Weight: 2 tons
Life expectancy: No data
When it first appeared: Middle Jurassic
Location: The fossil of this fish is the callovian of England, northern Germany, the Oxfordian of Chile, and upper Kimmeridigion of France.
Taxonomy:
Class: Actinopterygii
(unranked): Actinopteri
Subclass: Neopterygii
Infraclass: Holostei
Order: †Pachycormiformes
Family: †Pachycormidae
Genus: †Leedsichthys
Species: †Leedsichthys problematicus
Diet: The big gal was a filter feeder, based on its gills
Anatomy: This fish was huge, with the only other fish larger than it being sauropods and cetaceans(taxonomically speaking). It is also its gill rakers, which are large and impressive.
Behavior: it swam with its mouth open
Reproduction: No data
Relationship with other animals: Liopleurodon is depicted as a predator of this fish.
![[Image: Leedsi%26Liopl_DB.jpg]](https://upload.wikimedia.org/wikipedia/commons/7/7f/Leedsi%26Liopl_DB.jpg)
Just going for a stroll with my best friend.
Other sources:
http://dinosaurs.about.com/od/tetrapodsa...chthys.htm
http://www.prehistoric-wildlife.com/spec...hthys.html
http://news.nationalgeographic.com/news/...s-science/
![[Image: Leedsichthys.jpg]](https://images.weserv.nl/?url=img1.wikia.nocookie.net%2F__cb20140426210804%2Fhungry-shark%2Fimages%2Fd%2Fd3%2FLeedsichthys.jpg)
Size: 11.4-14.9m
Weight: 2 tons
Life expectancy: No data
When it first appeared: Middle Jurassic
Location: The fossil of this fish is the callovian of England, northern Germany, the Oxfordian of Chile, and upper Kimmeridigion of France.
Taxonomy:
Class: Actinopterygii
(unranked): Actinopteri
Subclass: Neopterygii
Infraclass: Holostei
Order: †Pachycormiformes
Family: †Pachycormidae
Genus: †Leedsichthys
Species: †Leedsichthys problematicus
Diet: The big gal was a filter feeder, based on its gills
Anatomy: This fish was huge, with the only other fish larger than it being sauropods and cetaceans(taxonomically speaking). It is also its gill rakers, which are large and impressive.
Behavior: it swam with its mouth open
Reproduction: No data
Relationship with other animals: Liopleurodon is depicted as a predator of this fish.
![[Image: Leedsi%26Liopl_DB.jpg]](https://upload.wikimedia.org/wikipedia/commons/7/7f/Leedsi%26Liopl_DB.jpg)
Just going for a stroll with my best friend.
Other sources:
http://dinosaurs.about.com/od/tetrapodsa...chthys.htm
http://www.prehistoric-wildlife.com/spec...hthys.html
http://news.nationalgeographic.com/news/...s-science/
![[Image: guilmon_evolution_by_davidgtm3-d4gb5rp.gif]](https://images.weserv.nl/?url=orig15.deviantart.net%2F1dbf%2Ff%2F2011%2F319%2F3%2F3%2Fguilmon_evolution_by_davidgtm3-d4gb5rp.gif)