Massospondylus
Massospondylus was an early long-necked dinosaur that lived in southern Africa during the Early Jurassic. It had a small head, a long neck and tail, and a slender body. This dinosaur walked on two legs and used its sharp thumb claws to pull down branches or dig up plants.1
מתי הוא חי?
כמה גדול הוא היה?
כמה ארוך הוא היה?
כמה גבוה הוא היה?
כמה כבד הוא היה?
ארוך כמו 6 כלבים מהאף עד הזנב🍌ארוך כמו 33 בננות בשורה🍉כבד כמו 27 אבטיחים🧸כבד כמו 7 ילדי גן🎒כבד כמו 4 ילדי בית ספר🏃יכול לרוץ 100 מטר ב־8.8 שניות (האדם הכי מהיר צריך 9.6)כמה גדול היה Massospondylus לעומתך?
רק חשבון בדפדפן שלך. שום דבר לא נשמר ולא נשלח לשום מקום.
כמה מהר הוא היה?
עובדות כיפיות
Massospondylus was one of the first dinosaurs to be named, described by Richard Owen in 1854.1
Its name means 'longer vertebra' because Owen thought the neck bones were tail bones.1
Fossil eggs and embryos of Massospondylus have been found, and they are among the oldest known dinosaur eggs.1
The eggshell of Massospondylus was extremely thin, less than 0.1 mm (0.0039 in) thick.1
Baby Massospondylus had proportionally longer arms and a larger head than adults, suggesting they may have walked on four legs when young.1
Massospondylus could speed up or slow down its growth depending on how much food was available.1
The oldest known Massospondylus was about 20 years old when it died.1

השאלות הנפוצות ביותר על Massospondylus
?How big was Massospondylus?
Massospondylus was about 4 to 6 metres (13 to 20 feet) long, with a small head, long neck and tail, and a slender body. It weighed around 150 kilograms (330 pounds) according to the Natural History Museum.13
?What did Massospondylus eat?
It was probably a herbivore (plant-eater), though some scientists think it may have been omnivorous. It used its sharp thumb claws to pull down branches or dig up plants, and it may have swallowed stones to help grind tough leaves in its stomach.12
?Did Massospondylus walk on two legs or four?
It is now considered to have been bipedal (walked on two legs), though it was long thought to be quadrupedal. Some studies suggest babies may have walked on four legs, but newer research says it was bipedal at all ages.1
?When did Massospondylus live?
It lived during the Early Jurassic, about 201 to 184 million years ago.13
?Where was Massospondylus found?
Fossils have been found in southern Africa, including South Africa, Lesotho, and Zimbabwe, and also in Namibia. Some fossils from the US and Argentina were once assigned to it but are now considered different dinosaurs.12
?Did Massospondylus lay eggs?
Yes, it laid eggs, and some of the oldest known dinosaur eggs and embryos belong to this genus. The eggshells were extremely thin, less than 0.1 mm (0.004 in) thick.1
מנפץ מיתוסים
מיתוס: Massospondylus was a four-legged (quadrupedal) dinosaur.
האמת: Scientists now think Massospondylus walked on two legs (bipedal), though babies may have been four-legged.1
למומחי דינוזאורים
- שם מדעי
- Massospondylus
- קיבל את שמו מ
- Owen 18544
- קבוצה
- ארוכי צוואר
- משפחה / ענף
- Massospondylidae4
- סיווג
- Sauropodomorpha4
- גיל הסלעים
- 237 עד 175 מיליון שנה (Carnian / Toarcian)4
- תצורות סלע
- Elliot, Mpandi, Forest Sandstone4
- מדינות
- דרום אפריקה, זימבבואה, לסוטו, נמיביה4
- ממצאי מאובנים
- 80 ב־The Paleobiology Database4
- גילוי
- The first fossils of Massospondylus were found in 1853 or 1854 by Joseph Millard Orpen and his brothers on a farm in the Drakensberg mountains near Harrismith, South Africa. Their father donated the fossils to the Hunterian Museum in London, where Richard Owen described and named the dinosaur in 1854.1
- עדיין שנוי במחלוקת
- Scientists are still debating whether Massospondylus was purely a plant-eater or also ate small animals or carrion.1
מאיפה מגיעות העובדות
- Massospondylus (en.wikipedia.org)
- enchantedlearning.com (enchantedlearning.com)
- Massospondylus | Natural History Museum (nhm.ac.uk)
- Massospondylus in The Paleobiology Database (CC BY 4.0): גיל, מקומות, תצורות סלע, סיווג.
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