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ካርቱን ናይ Sisteronia
ካርድ ዳይኖሰር ቁ. 1685 ካብ 2 027

Sisteronia

ትርጉም ስሙ: “Sister's own, named after the Sisteron region in France”1
ይበልዕ ነበረ: ስጋኢክቲዮሰራትመጀመርታ ክሬታሸስ ክሳብ ዳሕራይ ክሬታሸስብቴክኒክ ዳይኖሰር ኣይኮነን

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

ደስ ዝብል ሓቂ: እዚ ናይ ባሕሪ ተሳሓባይ ዳይኖሰራት ኣብ ምድሪ ክኸዱ ከለዉ ይሕምብስ ነበረ። ኩሉ ሰብ ዳይኖሰር ይብሎም፣ ግን ካልእ ጨንፈር ተሳሓብቲ እዮም ነይሮም።
ዝነበረሉ
ቅድሚ 113 ክሳብ 94 ሚልዮን ዓመት3
መጀመርታ ክሬታሸስ ክሳብ ዳሕራይ ክሬታሸስ
ፎሲላት ዝተረኽቡሉ
England (Gault Formation, Cambridge Greensand Member), France (Vocontian Basin), and Russia31
ዝለዓለ ቅልጣፈ
ኣስታት 46 ኪ.ሜ/ሰ (29 ማይል/ሰ)
ምሕምባስ, ግምት

መዓስ እዩ ዝነበረ?

ትሪያሲክ
ጁራሲክ
ክሬታሸስ
ቅድሚ 252 ሚልዮን ዓመት20114566፣ እቲ ኣስተሮይድ

ክንደይ ቅልጡፍ ነይሩ?

ዘደንቑ ነገራት

ደስ ዝብሉ ሓቅታት

1

Sisteronia had teeth that were rectangular in cross-section, which is unusual among ichthyosaurs.2

2

It lived during the Albian and early Cenomanian stages of the Cretaceous, about 112 to 100 million years ago.2

3

Sisteronia is known from fossils found in England, France, and Russia, showing it lived in the seas of western Europe.3

4

This ichthyosaur belonged to the group Platypterygiinae, which were the last surviving ichthyosaurs before they went extinct.2

5

The name Sisteronia comes from the town of Sisteron in France, near where some of its fossils were found.1

6

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

ብAI ዝተሰርሐብAI ዝተሰርሐ ስእሊ ናይ Sisteronia
ብAI ዝተሰርሐ ስእሊ፣ Sisteronia ከመይ ይመስል ከም ዝነበረ ዘርኢ፣ ኮምፒተር ካብቲ ሳይንቲስታት ዝፈልጥዎ ዝሰርሖ። ግምት እዩ: እቲ ሓቀኛ እንስሳ ፍልይ ዝበለ ክመስል ይኽእል፣ ሓቀኛ ሕብሩ ድማ ዝፈልጦ የለን።

ንክኢላታት ዳይኖሰር

ሳይንሳዊ ስም
Sisteronia
ዝሰመዮ
Fischer et al. 20143
ጉጅለ
ኢክቲዮሰራት
ስድራ / ክላድ
Ophthalmosauridae3
ምድባ
Ichthyosauria > Ichthyosauromorpha3
ዕድመ እቶም ኣኻውሕ
113 ክሳብ 94 ሚልዮን ዓመት (Albian / Cenomanian)3
ናይ ኣኻውሕ ንብርብራት
Marnes bleues, West Melbury Marly Chalk, Gault3
ሃገራት
ዓባይ ብሪጣንያ, ፈረንሳ, ሩስያ3
መዛግብቲ ፎሲል
6 ኣብ The Paleobiology Database3
ርኽበት
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
ገና ዘከራኽር
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

ሓቅታት ካበይ ይመጹ

  1. High Diversity in Cretaceous Ichthyosaurs from Europe Prior to Their Extinction (pmc.ncbi.nlm.nih.gov)
  2. Sisteronia (en.wikipedia.org)
  3. Sisteronia in The Paleobiology Database (CC BY 4.0): ዕድመ፣ ቦታታት፣ ናይ ኣኻውሕ ንብርብራት፣ ምድባ።

ኣብዚ ገጽ ዘሎ ኩሉ ሓቂ ናብ ምንጩ ዘመልክት ቁጽሪ ኣለዎ። ጌጋ እንተ ጌርና፣ ይቕሬታ፣ ንሕና ፈተውቲ ዳይኖሰር ኢና፣ ሳይንሳዊ መጽሔት ኣይኮንናን። ኣብ [email protected] ንገረና፣ ክንእርሞ ኢና።

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ካብ ተመሳሳሊ ጉጅለ ተወሳኺ: ኢክቲዮሰራት

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ካብ ተመሳሳሊ ግዜ እውን: መጀመርታ ክሬታሸስ

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