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Dunkleosteus
Dunkleosteus was a giant armoured fish that swam in the oceans about 382 to 358 million years ago. It had thick bone plates on its head and front body, and it was one of the first big predators in the sea. It wasn't a dinosaur, but it was super scary!1
Azalaki na bomoi ntango nini?
Azalaki monene boni?
Azalaki molai boni?
Azalaki kilo boni?
molai lokola bamotuka 2 oyo batelemi na molongo🍌molai lokola matoko 56 oyo balandani
kilo lokola bambwa 200🍉kilo lokola bapasteke 800🎒kilo lokola bakelasi 5 mobimba ya bana🐻❄️kilo lokola ba-urs ya pembe 9🏊akokaki kobeta mai bolai ya pisine monene (50 m) na sekonde 7,2Dunkleosteus azalaki monene boni soki tokokanisi na YO?
Kaka matematiki na navigatere na yo. Eloko moko te ebombami to etindami esika moko.
Azalaki na mbangu boni?
Makambo ya kosepelisa
Dunkleosteus had a four-bar linkage in its skull that let it open its jaws in just 20 milliseconds, as fast as a blink!1
Its bite force was estimated at up to 7,495 newtons (about 1,685 pounds), which is among the highest of any fish ever.1
Instead of teeth, Dunkleosteus had sharp, blade-like bony plates in its jaws that could cut through armoured prey.1
Fossils of Dunkleosteus are often found with boluses of fish bones, which are the undigested remains of its last meals.1
The armour plates on its head and front body were up to 7.6 cm (3 inches) thick in some places, but thinner elsewhere.1
Dunkleosteus might have been a fast swimmer, not slow as once thought, because it could catch fast fish like Orodus.1
Mituna oyo batunaka mingi na ntina na Dunkleosteus
?How big was Dunkleosteus?
The largest known species, Dunkleosteus terrelli, was probably about 3.4 metres (11 feet) long for typical adults, and up to 4.1 metres (13 feet) for exceptionally large individuals. Some older estimates were much bigger, but recent studies suggest these smaller sizes.1
?Did Dunkleosteus have teeth?
No, instead of teeth it had sharp, blade-like bony plates in its jaws that could cut through armoured prey. These blades even sharpened themselves as the fish opened and closed its mouth.13
?What did Dunkleosteus eat?
It ate armoured prey like ammonites and other placoderms, and could even catch fast-swimming fish like Orodus. Fossils show it sometimes regurgitated bones from its last meal.1
?How fast could Dunkleosteus open its mouth?
It could open its jaws in just 20 milliseconds and complete a feeding snap in 50 to 60 milliseconds, which is as fast as a blink. This helped it catch fast prey.4
?Was Dunkleosteus a dinosaur?
No, it was a giant armoured fish that lived in the oceans during the Devonian Period, long before dinosaurs existed. It belonged to a group called placoderms.1
?How strong was Dunkleosteus' bite?
Its bite force was estimated at up to 7,495 newtons, which is among the highest of any fish ever. That is strong enough to puncture armour.14
?Where have Dunkleosteus fossils been found?
Fossils have been found in the United States, Canada, Poland, Belgium, Morocco, and Russia. The largest collection is at the Cleveland Museum of Natural History in Ohio.1
?When did Dunkleosteus live?
It lived during the Late Devonian Period, about 382 to 358 million years ago. That is before the first dinosaurs appeared.1
?Could Dunkleosteus swim fast?
Yes, it might have been a fast swimmer, not slow as once thought. It could catch fast-swimming fish like Orodus, which suggests it was quick.1
?Why did Dunkleosteus have armour?
Its thick bone plates on the head and front body protected it from other predators and helped it hunt armoured prey. The plates were up to 7.6 cm (3 inches) thick in some places.1
Mobuki masapo
Lisapo: Dunkleosteus was a dinosaur.
Solo: Dunkleosteus was not a dinosaur. It was a fish, specifically an arthrodire placoderm, and it lived long before the first dinosaurs.1
Mpo na bayebi ya badino
- Nkombo ya siansi
- Dunkleosteus
- Nkombo epesamaki na
- Newberry 18745
- Lisanga
- Banyama ya lokumu ya kala-kala
- Libota / klade
- Dunkleosteidae5
- Klasifikasio
- Placodermi > Phlyctaeniiformes > Dunkleosteidae5
- Mbula ya mabanga
- mbula milio 388 kino 359 (Givetian / Famennian)5
- Milongo ya mabanga
- Ohio Shale, Lost Burro, Tērvete5
- Bikolo
- Amerika, Letoni, Kanada5
- Bafosile oyo ekomami
- 7 na The Paleobiology Database5
- Ntango bamonaki yango
- The first fossils were found in 1867 by Jay Terrell, an amateur paleontologist, near Lake Erie in Ohio, USA. The species was named Dunkleosteus terrelli in 1956, honouring both David Dunkle and Jay Terrell.1
- Naino bazali kowelana
- Scientists still debate how Dunkleosteus fed. Some think it used suction to gulp prey, but a 2025 study suggests it actively bit and tore prey, and its bite force estimates might need to be revised.1
Esika makambo euti
- Dunkleosteus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Meet Dunk: Ohio’s Ancient Apex Predator (cmnh.org)
- Feeding mechanics and bite force modelling of the skull of Dunkleosteus terrelli , an ancient apex predator (pmc.ncbi.nlm.nih.gov)
- Dunkleosteus in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.
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Megalodon
Sabre-toothed cat
Dimetrodon
Woolly mammoth
Arthropleura
Helicoprion