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Largest marine reptile ever discovered in UK

Amateur fossil collectors play a crucial role in paleontology, as demonstrated by the discovery of the largest marine reptile ever found.
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Scientists have identified the largest marine reptile ever known to have existed. This enormous creature, which lived approximately 202 million years ago, was longer than two buses placed nose-to-nose. The fossilized jawbone of this reptile was discovered in 2016 by a fossil hunter on a beach in Somerset, UK. In 2020, another similar jawbone was found by a father and daughter. Experts believe that these fossils belong to two giant ichthyosaur reptiles, which could have been as long as 25 meters. This is larger than a pliosaur, whose skull was found in Dorset cliffs and featured in a David Attenborough documentary.

Dr. Dean Lomax, a paleontologist at the University of Bristol, explains that the size of the jawbones, one of which measures over a meter long and the other 2 meters long, indicates that the entire animal would have been approximately 25 meters long, similar in size to a blue whale. However, more evidence, such as a complete skull and skeleton, is needed to confirm the exact size of the creature, as only a few fragments have been found so far. The giant ichthyosaur became extinct in a mass extinction event, and subsequent ichthyosaurs never reached such enormous sizes again.

The first glimpse of this creature came in 2016 when fossil hunter Paul de la Salle discovered the jawbone while searching Somerset beaches with his wife. When he shared his find with Dr. Dean Lomax, they suspected it could be a significant discovery. Their findings were published in 2018, but they desired more evidence to determine the creature's size. In 2020, Justin and Ruby Reynolds found another jawbone 10 kilometers down the coast, confirming their suspicions.

The team, along with family members, continued to search for fragments of the second jawbone, with the last piece being found in 2022. This discovery provided further evidence to estimate the creature's size. The scientists have now concluded that this enormous animal is a new species of ichthyosaur, which they have named Ichthyotitan severnensis, or giant fish lizard of the Severn. The specimen found by Paul de la Salle has been analyzed for three years and will soon be displayed at the Bristol Museum and Art Gallery.

This discovery highlights the importance of amateur fossil collectors. Dr. Dean Lomax emphasizes that anyone, regardless of expertise, can make amazing discoveries with patience and a keen eye. He believes that families and individuals from all walks of life can contribute to scientific knowledge in the field of paleontology.

Original news source: Prehistoric sea reptile 'twice as long as bus' (BBC)

🎧 Listen:

πŸ“– Vocabulary:

1. paleontologist
2. ichthyosaur
3. fossilized
4. pliosaur
5. documentary
6. extinction
7. glimpse
8. significant
9. specimen
10. analyzed
11. amateur
12. expertise
13. keen
14. fragments
15. paleontology

Group or Classroom Activities

Warm-up Activities:

– News Summary
Instructions: Divide the class into pairs. Give each pair a few minutes to read the article. Then, ask each pair to summarize the main points of the article in a short news summary. They can take turns presenting their summaries to the class.
– Opinion Poll
Instructions: Create a list of questions related to the article, such as "Do you think amateur fossil collectors can contribute to scientific knowledge?" or "What do you think is the significance of this discovery?" Have the students walk around the class and ask their classmates these questions, recording their answers. Afterward, have a class discussion where students can share their opinions and discuss their responses.
– Sketch It
Instructions: Divide the class into small groups. Give each group a large sheet of paper and markers. Instruct the groups to work together to create a visual representation of the giant ichthyosaur based on the description in the article. Encourage them to be creative and use their imagination. After a set amount of time, have each group present their sketches and explain their artistic choices.
– Vocabulary Pictionary
Instructions: Create a list of vocabulary words from the article, such as "ichthyosaur," "paleontologist," or "extinct." Divide the class into teams. Give each team a vocabulary word, and have them take turns sending one member to the front of the class to draw a visual representation of the word. The rest of the team must guess the word based on the drawing. The team that guesses correctly earns a point. Continue until all the words have been guessed, and the team with the most points wins.
– Future Predictions
Instructions: Ask the students to imagine that more fossils of the giant ichthyosaur are discovered in the future. In pairs or small groups, have them discuss and make predictions about what scientists might learn from these future discoveries. They can speculate on topics such as the creature's behavior, habitat, or evolutionary history. Afterward, have each group share their predictions with the class, and facilitate a discussion on the different ideas presented.

πŸ€” Comprehension Questions:

🎧✍️ Listen and Fill in the Gaps:

Scientists have identified the largest marine reptile ever to have existed. This enormous creature, which lived approximately 202 million years ago, was longer than two buses nose-to-nose. The fossilized jawbone of this reptile was discovered in 2016 by a fossil on a beach in Somerset, UK. In 2020, another similar jawbone was found by a father and daughter. Experts believe that these fossils belong to two giant ichthyosaur reptiles, which could have been as long as 25 meters. This is larger than a pliosaur, whose skull was found in Dorset and featured in a David Attenborough documentary. Dr. Dean Lomax, a paleontologist at the of Bristol, explains that the size of the jawbones, one of which measures over a long and the 2 meters long, indicates that the animal would have been approximately 25 meters long, similar in size to a blue whale. However, more evidence, such as a complete skull and skeleton, is needed to confirm the exact size of the creature, as only a few fragments have been found so far. The giant ichthyosaur became extinct in a mass extinction event, and subsequent ichthyosaurs never reached such enormous sizes again. The first glimpse of this creature came in 2016 when fossil hunter Paul de la Salle the jawbone while ing Somerset beaches with his wife. When he shared his find with Dr. Dean Lomax, they suspected it could be a significant discovery. Their findings were published in 2018, but they desired more evidence to determine the creature's size. In 2020, and Ruby Reynolds found another jawbone 10 kilometers down the coast, confirming their suspicions. The team, along with family members, continued to search for fragments of the second jawbone, with the last piece being found in 2022. This discovery provided evidence to estimate the creature's size. The scientists have now concluded that this enormous animal is a new species of ichthyosaur, which they have named Ichthyotitan severnensis, or giant fish lizard of the . The specimen found by Paul de la Salle has been analyzed for three years and will soon be displayed at the Bristol Museum and Art Gallery. This discovery highlights the of amateur fossil collectors. Dr. Dean Lomax emphasizes that anyone, regardless of expertise, can make amazing discoveries with patience and a keen eye. He believes that families and individuals from all of life can contribute to scientific knowledge in the of paleontology.

πŸ’¬ Discussion Questions:

1. What is an ichthyosaur?
2. How would you feel if you discovered a fossil of a new species?
3. Do you think there are still undiscovered species living in the ocean? Why or why not?
4. What do you think is the significance of this discovery?
5. How do you think the size of this marine reptile compares to other ancient creatures?
6. Do you think it is important for amateur fossil collectors to contribute to scientific knowledge? Why or why not?
7. How do you think the discovery of this new species could impact our understanding of prehistoric marine life?
8. What do you imagine it would be like to see a complete skeleton of this giant ichthyosaur?
9. Do you think there are still undiscovered fossils waiting to be found on beaches around the world? Why or why not?
10. How do you think the extinction of the giant ichthyosaur impacted the ocean ecosystem?
11. What other types of creatures do you think lived during the same time as the giant ichthyosaur?
12. How do you think the discovery of this new species could change the way we study and understand paleontology?
13. Do you think it's important for museums to display fossils and other scientific discoveries? Why or why not?
14. How do you think the size of the giant ichthyosaur compares to modern-day marine animals?
15. What do you think motivated the fossil hunters to continue searching for more evidence of the giant ichthyosaur after their initial discovery?

Individual Activities

πŸ“–πŸ’­ Vocabulary Meanings:

Click a dot next to a word, then click the dot next to its meaning to draw a line connecting them.

Words

1. paleontologist
2. ichthyosaur
3. fossilized
4. pliosaur
5. documentary
6. extinction
7. glimpse
8. significant
9. specimen
10. analyzed
11. amateur
12. expertise
13. keen
14. fragments
15. paleontology

Meanings

(A) The branch of science concerned with fossil animals and plants
(B) Having or showing eagerness or enthusiasm
(C) Specialized knowledge or skills in a particular field
(D) A person who engages in a pursuit, especially a sport or hobby, on an unpaid basis
(E) The state or process of a species, family, or larger group being or becoming extinct
(F) A type of large marine reptile with a short neck and large head
(G) A non-fiction film or television program that provides a factual report on a particular subject
(H) An individual animal, plant, piece of a mineral, etc., used as an example of its species or type for scientific study or display
(I) Preserved remains or traces of ancient organisms
(J) A brief or incomplete view or look
(K) Small parts broken off or detached from a whole
(L) Examined methodically and in detail
(M) A type of large marine reptile that lived during the Mesozoic era
(N) Of great importance or consequence
(O) A scientist who studies fossils and ancient life forms

πŸ”‘ Multiple Choice Questions:

1. When were the fossils of the giant ichthyosaur reptiles discovered?
(a) 2016 and 2020
(b) 2018 and 2022
(c) 2016 and 2018
(d) 2020 and 2022
2. What is the estimated length of the giant ichthyosaur reptiles?
(a) 10 meters
(b) 2 meters
(c) 1 meter
(d) 25 meters
3. What is the name of the new species of ichthyosaur discovered?
(a) Ichthyotitan severnensis
(b) Pliosaur dorsetensis
(c) Blue whale
(d) Giant fish lizard
4. What evidence is needed to confirm the exact size of the creature?
(a) Fossilized teeth
(b) Tail bones
(c) Complete skull and skeleton
(d) Claws
5. What is the role of amateur fossil collectors in this discovery?
(a) They analyzed the fossils
(b) They made the initial discoveries
(c) They named the new species
(d) They displayed the fossils
6. Where will the specimen found by Paul de la Salle be displayed?
(a) London Natural History Museum
(b) Somerset Fossil Museum
(c) Bristol Museum and Art Gallery
(d) University of Bristol Museum
7. When did the giant ichthyosaur become extinct?
(a) 2016
(b) 2020
(c) After the discovery of the fossils
(d) During a mass extinction event
8. What is the size comparison given for the giant ichthyosaur?
(a) Longer than two buses placed nose-to-nose
(b) Similar in size to a blue whale
(c) Larger than a pliosaur
(d) All of the above

πŸ•΅οΈ True or False Questions:

More evidence, such as a partial skull and skeleton, is needed to confirm the approximate size of the creature.
Scientists have identified the largest marine reptile ever known to have existed.
The scientists have named the new species of ichthyosaur Ichthyotitan severnensis, or giant fish lizard of the Severn.
Experts believe that the fossils belong to two small ichthyosaur reptiles, which could have been as short as 25 centimeters.
Another jawbone disproving the discovery was found in 2020 by a father and son.
The size of the jawbones indicates that the entire animal would have been around 2.5 meters long, much smaller than a blue whale.
The giant ichthyosaur became extinct in a mass extinction event, and subsequent ichthyosaurs never reached such enormous sizes again.
The fossilized jawbone of this reptile was discovered in 2016 by a fossil hunter on a beach in Somerset, UK.

πŸ“ Write a Summary:

Write a summary of this news article in two sentences.
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Writing Questions:

1. What is the estimated size of the largest marine reptile ever discovered?
2. How were the jawbones of the giant ichthyosaur reptiles discovered?
3. What additional evidence is needed to confirm the exact size of the creature?
4. What is the name of the new species of ichthyosaur that has been discovered?
5. According to Dr. Dean Lomax, what is the significance of amateur fossil collectors in the field of paleontology?

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