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Gonkoken
Gonkoken was a small duck-billed dinosaur that lived in what is now southern Chile, near Antarctica. It was about as long as a car and used its hundreds of teeth to chew tough plants. This dinosaur is special because it is not a true hadrosaurid, but a more ancient cousin that survived until the very end of the dinosaur age.24
ଏହା କେବେ ବଞ୍ଚିଥିଲା?
ଏହା କେତେ ବଡ଼ ଥିଲା?
ଏହା କେତେ ଲମ୍ବା ଥିଲା?
ଏହା କେତେ ଉଚ୍ଚ ଥିଲା?
ଅନୁମାନ
ଏହା କେତେ ଭାରୀ ଥିଲା?
ନାକରୁ ଲାଞ୍ଜ ଯାଏ ଧାଡ଼ିରେ 4ଟି କୁକୁର ଭଳି ଲମ୍ବା🍌ଧାଡ଼ିରେ ରଖାଯାଇଥିବା 22ଟି କଦଳୀ ଭଳି ଲମ୍ବା🍉200ଟି ତରଭୁଜ ଭଳି ଭାରୀ🧸53 ଜଣ ନର୍ସରୀ ପିଲାଙ୍କ ଭଳି ଭାରୀ🎒31 ଜଣ ସ୍କୁଲ ପିଲାଙ୍କ ଭଳି ଭାରୀ🐻❄️2ଟି ମେରୁ ଭାଲୁ ଭଳି ଭାରୀ🏃100 ମିଟର 11 ସେକେଣ୍ଡରେ ଦୌଡ଼ିପାରୁଥିଲା (ସବୁଠୁ ଦ୍ରୁତ ମଣିଷକୁ 9.6 ଲାଗେ)ତୁମ ତୁଳନାରେ Gonkoken କେତେ ବଡ଼ ଥିଲା?
ତୁମ ବ୍ରାଉଜରରେ କେବଳ ଟିକେ ଗଣିତ। କିଛି ସେଭ୍ ହୁଏ ନାହିଁ କି କୁଆଡ଼େ ପଠାଯାଏ ନାହିଁ।
ଏହା କେତେ ଦ୍ରୁତ ଥିଲା?
ମଜାଦାର ତଥ୍ୟ
Gonkoken is a 'transitional' duckbill, meaning it is closely related to true hadrosaurids but not one itself. Its ancestors came from North America and arrived in South America earlier than the more advanced duckbills.2
The name Gonkoken comes from the Aónik’enk language, spoken by the indigenous people of the region. 'Gon' means 'similar to' and 'koken' means 'wild duck or swan'.21
Fossils of Gonkoken were found in a bonebed containing at least three individuals. The site is still being excavated and may hold many more bones.2
Gonkoken lived about 71.7 to 70.5 million years ago, during the early Maastrichtian stage of the Late Cretaceous. This was just a few million years before the asteroid impact that ended the age of dinosaurs.2
Unlike true hadrosaurids, Gonkoken had fewer than 30 tooth positions in its lower jaw, and its tooth rows did not extend beyond the coronoid process.2
Gonkoken is the first duck-billed dinosaur described from a subantarctic region. Its discovery suggests that some alleged hadrosaurid fossils from Antarctica might actually belong to non-hadrosaurid duckbills like Gonkoken.2
ସବୁଠୁ ବେଶି ପଚରାଯାଉଥିବା ପ୍ରଶ୍ନ: Gonkoken
?How big was Gonkoken?
Gonkoken was a small duck-billed dinosaur, about 4 metres (13 feet) long. That is roughly the length of a small car.12
?When did Gonkoken live?
Gonkoken lived about 71.7 to 70.5 million years ago, during the early Maastrichtian stage of the Late Cretaceous. That was just a few million years before the asteroid hit.12
ଭୁଲ ଧାରଣା ଭଙ୍ଗା
ଭୁଲ ଧାରଣା: All duck-billed dinosaurs are hadrosaurids (true duckbills).
ସତ୍ୟ: Gonkoken is a duck-billed dinosaur but not a hadrosaurid. It belongs to a more ancient lineage that survived alongside true duckbills in the far south.2
ଡାଇନୋ ବିଶେଷଜ୍ଞଙ୍କ ପାଇଁ
- ବୈଜ୍ଞାନିକ ନାମ
- Gonkoken
- ନାମ ଦେଇଥିଲେ
- Alarcón-Muñoz et al. 20234
- ଗୋଷ୍ଠୀ
- ଥଣ୍ଟଥିବା ଉଦ୍ଭିଦଭୋଜୀ
- ପରିବାର / କ୍ଲେଡ୍
- Hadrosauroidea4
- ବର୍ଗୀକରଣ
- Ornithischia > Ornithopoda > Iguanodontia4
- ପଥରର ବୟସ
- 72 ରୁ 66 ନିୟୁତ ବର୍ଷ (Maastrichtian)4
- ଶିଳା ଗଠନ
- Dorotea4
- ଦେଶ
- ଚିଲି4
- ଜୀବାଶ୍ମ ରେକର୍ଡ
- The Paleobiology Database ରେ 14
- ଆବିଷ୍କାର
- Gonkoken was named in 2023 by Alarcón-Muñoz and colleagues. The first bones were found by Mario 'Nano' Ulloa in the Río de las Chinas Valley, and excavations began in 2013, uncovering many disarticulated remains.24
- ଏବେ ବି ବିତର୍କ ଚାଲିଛି
- Scientists debate whether all alleged hadrosaurid fossils from Antarctica and subantarctic regions actually belong to non-hadrosaurid duckbills like Gonkoken, rather than true hadrosaurids.2
ତଥ୍ୟ କେଉଁଠୁ ଆସେ
- Gonkoken (en.wikipedia.org)
- Relict duck-billed dinosaurs survived into the last age of the dinosaurs in subantarctic Chile (science.org)
- Scientists discover duck-billed dinosaur roamed Chile 72 million years ago | Reuters (reuters.com)
- Gonkoken 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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