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Sisteronia
Sisteronia was a fast-swimming marine reptile that lived in the Cretaceous seas. It had sharp teeth for catching small fish and squid. Sisteronia was an ichthyosaur, not a dinosaur, and looked a bit like a modern dolphin.12
ଏହା କେବେ ବଞ୍ଚିଥିଲା?
ଏହା କେତେ ଦ୍ରୁତ ଥିଲା?
ମଜାଦାର ତଥ୍ୟ
Sisteronia had teeth that were rectangular in cross-section, which is unusual among ichthyosaurs.2
It lived during the Albian and early Cenomanian stages of the Cretaceous, about 112 to 100 million years ago.2
Sisteronia is known from fossils found in England, France, and Russia, showing it lived in the seas of western Europe.3
This ichthyosaur belonged to the group Platypterygiinae, which were the last surviving ichthyosaurs before they went extinct.2
The name Sisteronia comes from the town of Sisteron in France, near where some of its fossils were found.1
Sisteronia had a raised process on the floor of the foramen magnum (the hole in the skull for the spinal cord), a unique feature not seen in other ichthyosaurs.2
ଡାଇନୋ ବିଶେଷଜ୍ଞଙ୍କ ପାଇଁ
- ବୈଜ୍ଞାନିକ ନାମ
- Sisteronia
- ନାମ ଦେଇଥିଲେ
- Fischer et al. 20143
- ଗୋଷ୍ଠୀ
- ଇକ୍ଥିଓସର୍
- ପରିବାର / କ୍ଲେଡ୍
- Ophthalmosauridae3
- ବର୍ଗୀକରଣ
- Ichthyosauria > Ichthyosauromorpha3
- ପଥରର ବୟସ
- 113 ରୁ 94 ନିୟୁତ ବର୍ଷ (Albian / Cenomanian)3
- ଶିଳା ଗଠନ
- Marnes bleues, West Melbury Marly Chalk, Gault3
- ଦେଶ
- ଯୁକ୍ତରାଜ୍ୟ, ଫ୍ରାନ୍ସ, ରୁଷିଆ3
- ଜୀବାଶ୍ମ ରେକର୍ଡ
- The Paleobiology Database ରେ 63
- ଆବିଷ୍କାର
- Sisteronia was named by Fischer and colleagues in 2014, based on fossils from the Cambridge Greensand Member in England and the Vocontian Basin in France.31
- ଏବେ ବି ବିତର୍କ ଚାଲିଛି
- Scientists are still debating exactly how diverse late Cretaceous ichthyosaurs were, and whether Sisteronia was part of a broader European hotspot of ichthyosaur diversity.1
ତଥ୍ୟ କେଉଁଠୁ ଆସେ
- High Diversity in Cretaceous Ichthyosaurs from Europe Prior to Their Extinction (pmc.ncbi.nlm.nih.gov)
- Sisteronia (en.wikipedia.org)
- Sisteronia in The Paleobiology Database (CC BY 4.0): ବୟସ, ସ୍ଥାନ, ଶିଳା ଗଠନ, ବର୍ଗୀକରଣ।
ଏହି ପୃଷ୍ଠାର ପ୍ରତ୍ୟେକ ତଥ୍ୟ ପାଖରେ ଗୋଟେ ନମ୍ବର ଅଛି, ଯାହା ତାର ଉତ୍ସ ଦେଖାଏ। ଯଦି ଆମେ କିଛି ଭୁଲ କରିଛୁ, କ୍ଷମା କରିବ, ଆମେ ଡାଇନୋ ପ୍ରେମୀ, ବିଜ୍ଞାନ ପତ୍ରିକା ନୁହଁ। ଆମକୁ [email protected] ରେ ଜଣାଅ, ଆମେ ଠିକ୍ କରିଦେବୁ।
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Ichthyosaurus
Platypterygius
Stenopterygius
Khudiakovia
Ophthalmosaurus
Chonespondylus
Stegosaurus
Iguanodon
Archaeopteryx
Giganotosaurus
Microraptor
Deinonychus