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Khathune ya Gonkoken
Karete ya dinosaure No. 0743 ho tse 2 027

Gonkoken

Lebitso le bolela: “similar to a wild duck or swan”12
E jele: DimelaDija-dimela tse nang le melomoKretase ya Morao

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

E phetse
dilemo tse dimilione tse 72 ho isa ho 66 tse fetileng4
Kretase ya Morao
Difosili di fumanwe ho
Magallanes Region, Chilean Patagonia (Loma Koken, Río de las Chinas Valley)24
Bolelele
4 m (13 ft)2
Boima
ho fihla ho ditone tse 1 (2,200 lb)3
Bophahamo
1.2 m (3.9 ft)
kakanyo
Lebelo le phahameng ka ho fetisisa
e ka bang 33 km/h (21 mph)
Ho matha, kakanyo

E phetse neng?

Triasiki
Jurasiki
Kretase
Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

Gonkoken bolelele ba e ka bang 4 m (13 ft)Baesekele ya motho e moholo e ka bang 1.8 m (5.9 ft)Koloi e ka bang 4.5 m (15 ft)Tlou, phoofolo e kgolo ka ho fetisisa naheng kajeno e ka bang 6.5 m (21 ft)

E ne e phahame hakae?

Katse ya lapenge ka bang 0.3 m (1 ft)Ntjae ka bang 0.5 m (1.6 ft)Gonkokenbophahamo ba e ka bang 1.2 m (3.9 ft)Peree ka bang 1.6 m (5.2 ft)

kakanyo

E ne e le boima hakae?

boima jwaloka dintja tse 50
telele jwaloka dintja tse 4 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 22 di behilwe ka molaboima jwaloka mahapu a 200boima jwaloka bana ba kereshe ba 53boima jwaloka bana ba sekolo ba 31boima jwaloka dibere tse tshweu tse 2e ne e ka matha dimitara tse 100 ka metsotswana e 11 (motho ya lebelo ka ho fetisisa o hloka 9,6)

Gonkoken e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

dintho tse monate

Dintlha tse monate

1

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

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

3

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

4

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

5

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

6

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

E entswe ke AISetshwantsho sa Gonkoken se entsweng ke AI
Setshwantsho se entsweng ke AI, se bontshang kamoo Gonkoken e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.
o botsitse

Dipotso tse botswang haholo ka 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

?Where was Gonkoken found?

Gonkoken fossils were found in the Río de las Chinas Valley in southern Chile, near the tip of South America. It's the first duck-billed dinosaur described from a subantarctic region.12

?Is Gonkoken a hadrosaurid?

No, Gonkoken is not a true hadrosaurid. It is a 'transitional' duckbill, meaning it is closely related to hadrosaurids but belongs to a more ancient group.12

Mosenyi wa ditshomo

Tshomo: All duck-billed dinosaurs are hadrosaurids (true duckbills).

Nnete: 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

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense
Gonkoken
E rehilwe ke
Alarcón-Muñoz et al. 20234
Sehlopha
Dija-dimela tse nang le melomo
Lelapa / leloko
Hadrosauroidea4
Tlhophiso
Ornithischia > Ornithopoda > Iguanodontia4
Dilemo tsa mafika
dilemo tse dimilione tse 72 ho isa ho 66 (Maastrichtian)4
Dibopeho tsa mafika
Dorotea4
Dinaha
Chile4
Direkoto tsa difosili
1 ho The Paleobiology Database4
Ho sibollwa
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
E sa ntse e phehwa kgang
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

Moo dintlha di tswang teng

  1. Gonkoken (en.wikipedia.org)
  2. Relict duck-billed dinosaurs survived into the last age of the dinosaurs in subantarctic Chile (science.org)
  3. Scientists discover duck-billed dinosaur roamed Chile 72 million years ago | Reuters (reuters.com)
  4. Gonkoken in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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