ካርድ ዳይኖሰር ቁ. 1033 ካብ 2 027

Leptocleidus

ትርጉም ስሙ: “slender clavicle”1

ይበልዕ ነበረ: ስጋፕሌሲዮሰራትመጀመርታ ክሬታሸስብቴክኒክ ዳይኖሰር ኣይኮነን

Leptocleidus was a small plesiosaur that swam in shallow seas and rivers during the Early Cretaceous. It had a long neck, a short body, and four flippers to paddle through the water. Unlike many other plesiosaurs, it lived in lagoons and even brackish or fresh water.1

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 143 ክሳብ 100 ሚልዮን ዓመት4

መጀመርታ ክሬታሸስ

ፎሲላት ዝተረኽቡሉ

England (Sussex, Isle of Wight), South Africa (Cape Province), and Western Australia (Kalbarri)1

ንውሓት

ክሳብ 3 m (9.8 ft)1

ዝለዓለ ቅልጣፈ

ኣስታት 28 ኪ.ሜ/ሰ (17 ማይል/ሰ)

ምሕምባስ, ግምት

መዓስ እዩ ዝነበረ?

ትሪያሲክ

ጁራሲክ

ክሬታሸስ

ቅድሚ 252 ሚልዮን ዓመት20114566፣ እቲ ኣስተሮይድ

ክንደይ ዓቢ ነይሩ?

ክንደይ ነዊሕ ነይሩ?

ከም 3 ኣኽላባት ካብ ኣፍንጫ ክሳብ ጭራ ዝነውሕከም 17 ባናና ተሰሪዑ ዝነውሕንውሓት ዓቢ መሕምበሲ (50 ሜ) ኣብ 6.4 ካልኢት ክሕምብሶ ይኽእል ነበረ

ምሳኻ ክነጻጸር Leptocleidus ክንደይ ዓቢ ነይሩ?

ኣብ ብራውዘርካ ቀሊል ሕሳብ ጥራይ። ዝዕቀብ ወይ ናብ ዝኾነ ቦታ ዝለኣኽ የለን።

ክንደይ ቅልጡፍ ነይሩ?

ዝኸይድ ሰብ ኣስታት 5 ኪ.ሜ/ሰ (3 mph)

ብሽክለታ ዝጋልብ ቆልዓ ኣስታት 12 ኪ.ሜ/ሰ (7 mph)

Leptocleidus ኣስታት 28 ኪ.ሜ/ሰ (17 mph)

ብጉያ ዝኸይድ ፈረስ ኣስታት 65 ኪ.ሜ/ሰ (40 mph)

ቺታ ኣስታት 100 ኪ.ሜ/ሰ (62 mph)

ዘደንቑ ነገራት

ደስ ዝብሉ ሓቅታት

Leptocleidus had about 21 teeth on each side of its upper jaw and around 35 teeth on each side of its lower jaw.1

Its skull was triangle-shaped with a crest running from the tip of the nose to the nasal region.1

Unlike many plesiosaurs, Leptocleidus lived in shallow lagoons and may have entered brackish or fresh water, like river mouths.1

Scientists think Leptocleidus moved into fresh water to escape larger plesiosaurs and pliosaurs.1

The name Leptocleidus comes from Greek words meaning 'slender clavicle', referring to its thin collarbone.1

Leptocleidus had large clavicles and interclavicle bones but small shoulder blades, similar to the early Jurassic Rhomaleosaurus.1

A specimen from the Isle of Wight, once thought to be Leptocleidus, was later named a separate genus, Vectocleidus, in 2012.1

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

ንስኻ ሓቲትካ

ብዛዕባ Leptocleidus ብብዝሒ ዝሕተቱ ሕቶታት

?How big was Leptocleidus?

Leptocleidus was small for a plesiosaur, measuring up to 3 metres (9.8 feet) long. One species, Leptocleidus superstes, was even smaller at about 1.5 metres (5 feet).1 3

?Was Leptocleidus a dinosaur?

No, Leptocleidus was not a dinosaur. It was a plesiosaur, a type of extinct marine reptile that lived in the sea.1 3

?What did Leptocleidus eat?

Scientists are not sure exactly what Leptocleidus ate, but its many sharp teeth suggest it ate fish or other small sea creatures. It likely hunted in shallow waters.1 3

?Where did Leptocleidus live?

Leptocleidus lived in shallow lagoons and sometimes entered brackish or fresh water, like river mouths. Its fossils have been found in England, South Africa, and Australia.1 3

ንክኢላታት ዳይኖሰር

ሳይንሳዊ ስም: Leptocleidus
ዝሰመዮ: Andrews 19224
ጉጅለ: ፕሌሲዮሰራት
ስድራ / ክላድ: Leptocleididae4
ምድባ: Plesiosauria > Sauropterygia4
ዕድመ እቶም ኣኻውሕ: 143 ክሳብ 100 ሚልዮን ዓመት (Berriasian / Albian)4
ናይ ኣኻውሕ ንብርብራት: Murderong Shale, Bulldog Shale, Weald Clay4
ሃገራት: ኣውስትራልያ, ዓባይ ብሪጣንያ, ደቡብ ኣፍሪቃ4
መዛግብቲ ፎሲል: 7 ኣብ The Paleobiology Database4
ብኻልእ ስም: Peyerus (ዝኣረጉ ኣስማት ሕጂ ከም ሓደ እንስሳ ይቑጸሩ)4
ርኽበት: Leptocleidus was named by Charles William Andrews in 1922 based on a partial skeleton and skull from the Weald Clay of Berwick, Sussex, England.4 1
ገና ዘከራኽር: Scientists debate whether Leptocleidus belongs within the group Rhomaleosauridae or in its own separate clade called Leptocleididae.2