Syngonosaurus Facts
Pronunciation: SIN-gon-oh-SORE-us
Name meaning: Angled lizard
| Diet | Herbivore |
| Height | 2m |
| Length | 6m |
| Weight | 1.5 tonnes |
| Environment | Land |
| Era | Cretaceous |
| Period | Early Cretaceous |
| Type | Ornithopod |
| Location | England |
Syngonosaurus was a medium-sized ornithopod dinosaur that roamed the landscapes of Early Cretaceous England between 145 and 100 million years ago. This fascinating creature was first discovered in the famous Cambridge Greensand formation and described by British palaeontologist Harry Seeley in 1879, making it one of the earlier dinosaur discoveries in Britain.
As an ornithopod, Syngonosaurus was a plant-eating dinosaur that likely moved on both two and four legs, depending on whether it was feeding or travelling. It measured approximately 6 metres in length and stood about 2 metres tall at the hip, weighing roughly 1.5 tonnes. The dinosaur possessed the typical ornithopod features of a duck-like beak for cropping vegetation and rows of grinding teeth perfect for processing tough plant material.
Syngonosaurus lived during a time when England enjoyed a much warmer, subtropical climate with lush vegetation. It would have fed on a variety of plants including ferns, cycads, and early flowering plants that were beginning to appear during this period. The dinosaur's classification has been quite a journey - initially it was grouped with the armoured dinosaur Acanthopholis, but modern research conducted in 2020 revealed its true identity as a basal iguanodontian ornithopod.
The Cambridge Greensand where Syngonosaurus was discovered represents ancient marine deposits, suggesting that its remains were washed out to sea after death, providing us with a precious glimpse into Early Cretaceous terrestrial life in what is now southern England.
What made Syngonosaurus distinctive?
Syngonosaurus possessed the characteristic duck-like beak of ornithopod dinosaurs and rows of grinding teeth adapted for processing plant material. As a basal iguanodontian, it would have had the typical robust build of early ornithopods with powerful hind limbs for both bipedal locomotion and support when feeding on all fours.
Behaviour
Syngonosaurus likely spent much of its time foraging for vegetation, using its beak to crop plants and its grinding teeth to process tough plant material. As an ornithopod, it could probably switch between moving on two legs when travelling and dropping to all fours when feeding on low-growing plants.
Syngonosaurus FAQ
What did Syngonosaurus eat?
Syngonosaurus was a herbivore that fed on the diverse plant life of
Early Cretaceous England. It would have eaten ferns, cycads, conifers, and some of the earliest flowering plants using its duck-like beak to crop vegetation and its rows of grinding teeth to process tough plant material.
How big was Syngonosaurus?
Syngonosaurus was a medium-sized ornithopod measuring approximately 6 metres in length and standing about 2 metres tall at the hip. It weighed roughly 1.5 tonnes, making it comparable in size to a modern elephant.
When did Syngonosaurus live?
Syngonosaurus lived during the
Early Cretaceous period, between approximately 145 and 100 million years ago. This was a time when flowering plants were beginning to diversify and the climate was much warmer than today.
Where was Syngonosaurus found?
Syngonosaurus was discovered in the Cambridge Greensand formation in England. This geological formation represents ancient marine deposits from the
Early Cretaceous period, suggesting the dinosaur's remains were washed out to sea after death.
How do you pronounce Syngonosaurus?
Syngonosaurus is pronounced 'SIN-gon-oh-SORE-us'. The name breaks down into syllables as Syn-gono-saurus, with the emphasis typically placed on the first syllable.
What does Syngonosaurus mean?
Syngonosaurus means 'angled lizard' in Greek. The name likely refers to some angular features observed in the fossil remains, though the exact reasoning behind Harry Seeley's choice of name in 1879 is not entirely clear.
How fast could Syngonosaurus run?
The running speed of Syngonosaurus is not well established due to limited fossil material. However, as a medium-sized ornithopod, it would likely have been capable of reasonable speeds when moving on its hind legs, probably similar to other iguanodontians.
What type of dinosaur was Syngonosaurus?
Syngonosaurus was an ornithopod dinosaur, specifically classified as a basal iguanodontian. This means it was a plant-eating dinosaur that could move on both two and four legs, representing an early branch of the iguanodontian family tree.
Was Syngonosaurus related to birds?
As an ornithischian dinosaur, Syngonosaurus was not directly ancestral to birds. Birds evolved from theropod dinosaurs, which belonged to the other major group called saurischians. However, Syngonosaurus was still a dinosaur and shared common ancestry with all dinosaurs including bird ancestors.
How many Syngonosaurus fossils have been found?
Syngonosaurus is known from limited fossil material discovered in the Cambridge Greensand. The exact number of specimens is not well documented, but like many early dinosaur discoveries from the Victorian era, the fossil record for this species remains quite fragmentary.
