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Khathune ya Dorygnathus
Karete ya dinosaure No. 0534 ho tse 2 027

Dorygnathus

Lebitso le bolela: “spear jaw”1
E jele: DitlhapiDihahabi tse fofangJurasiki ya PeleHa se dinosaure ho ya ka saense

Dorygnathus was a flying reptile that lived during the Early Jurassic, about 180 million years ago. It had a short wingspan of around 1.5 metres (4.9 feet) and a long tail. Its most striking feature was its mouth full of large, curved fangs at the front and smaller teeth at the back.1

Ntlha e monate: dipterosaure di ne di fofa kahodimo ho didinosaure, empa e ne e le batswala ba tsona, e seng didinosaure ka botsona.
E phetse
dilemo tse dimilione tse 184 ho isa ho 183 tse fetileng4
Jurasiki ya Pele
Difosili di fumanwe ho
Germany (Baden-Württemberg and Lower Saxony) and Nancy, France12
Bophara ba mapheo
1.5 ho isa ho 1.7 m (4.9 ho isa ho 5.6 ft)1
Lebelo le phahameng ka ho fetisisa
e ka bang 45 km/h (28 mph)
Ho fofa, kakanyo

E phetse neng?

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

E ne e le kgolo hakae?

Mapheo a yona a ne a pharaletse hakae?

Dorygnathus mapheo a ka bang 1.7 m ho tloha ntlheng ho isa ntlheng (5.6 ft)Katse ya lapeng e ka bang 0.5 m (1.6 ft)Ntja e ka bang 1 m (3.3 ft)Baesekele ya motho e moholo e ka bang 1.8 m (5.9 ft)
telele jwaloka dikatse tsa lapeng tse 3 ho tloha nkong ho isa mohatlenge ne e ka fofa ho tshela lebala lohle la bolo ya maoto ka metsotswana e 8.4

Dorygnathus 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

Dorygnathus had different kinds of teeth: four large fangs in the upper jaw and three or four in the lower jaw at the front, with smaller, straighter teeth behind. This is called heterodonty and is rare in modern reptiles.1

2

The fifth toe on its hind feet was unusually long and pointed sideways. Scientists think it may have supported a membrane, like the one on its wings.1

3

Dorygnathus was a close relative of the later pterosaur Rhamphorhynchus, and lived at the same time as another pterosaur called Campylognathoides in Germany.1

4

Over 50 specimens of Dorygnathus have been found, many in slate quarries. The best fossils are kept at the State Museum of Natural History Stuttgart in Germany.1

5

Some Dorygnathus teeth show wear from eating hard food like crustaceans or mollusks, not just fish.1

6

The smallest known Dorygnathus had a wingspan of 60 centimetres (2 feet). Scientists think very young juveniles could not fly far over the open sea.1

E entswe ke AISetshwantsho sa Dorygnathus se entsweng ke AI
Setshwantsho se entsweng ke AI, se bontshang kamoo Dorygnathus 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 Dorygnathus

?How big was Dorygnathus?

Dorygnathus had a wingspan of about 1.5 metres (4.9 feet), though some large individuals reached 1.7 metres (5.6 feet).12

?What did Dorygnathus eat?

Dorygnathus ate small fish, as shown by fossilised stomach contents. Some teeth also show wear from eating hard food like crustaceans or mollusks.13

?Could Dorygnathus fly?

Yes, Dorygnathus was a flying reptile. It had wings made of skin and other membranes, and its flight muscles attached to a small triangular breastbone.1

?Is Dorygnathus a dinosaur?

No, Dorygnathus was a pterosaur, a flying reptile that lived during the age of dinosaurs, but it was not a dinosaur.1

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense
Dorygnathus
E rehilwe ke
Wagner 18604
Sehlopha
Dihahabi tse fofang
Lelapa / leloko
Rhamphorhynchidae4
Tlhophiso
Pterosauria > Rhamphorhynchidae4
Dilemo tsa mafika
dilemo tse dimilione tse 184 ho isa ho 183 (Toarcian)4
Dibopeho tsa mafika
Posidonia Shale, Posidonienschiefer, Marne de Flize4
Dinaha
Jeremane, Fora4
Direkoto tsa difosili
37 ho The Paleobiology Database4
Ho sibollwa
The first fossils of Dorygnathus were found near Banz, Bavaria, Germany, and were described in 1830 by Carl Theodori as Ornithocephalus banthensis. In 1860, Johann Andreas Wagner gave it the name Dorygnathus, meaning 'spear jaw'.1
E sa ntse e phehwa kgang
Scientists still debate whether Dorygnathus walked on two legs or four. Some think it could walk on two legs because of its long tail, but most now believe all pterosaurs walked on all fours.1

Moo dintlha di tswang teng

  1. Dorygnathus (en.wikipedia.org)
  2. The Early Jurassic Pterosaur Dorygnathus Banthensis (Theodori, 1830) | The Palaeontological Association (palass.org)
  3. Press | State Museum of Natural History Stuttgart (naturkundemuseum-bw.de)
  4. Dorygnathus in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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Tse ding tsa sehlopha se le seng: Dihahabi tse fofang

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Le tsona tsa nako e le nngwe: Jurasiki ya Pele

DilophosaurusDidinosaure tse jang namaStenopterygiusDiikhthiosaureLufengosaurusMelala e meleleleScutellosaurusDidinosaure tse nang le sesireletsiYunnanosaurusMelala e meleleleSinosaurusDidinosaure tse jang nama
Fepa Rexnkgo ya teboho bakeng sa batho ba baholo