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They Are Not Dinosaurs Trivia Quiz

A quiz on animals that are approximately contemporary with the dinosaurs.

A multiple-choice quiz by tnrees. Estimated time: 6 mins.

Author
tnrees

Time
6 mins

Type
Multiple Choice

Quiz #
206,449

Updated
Dec 03 21

# Qns
10

Difficulty
Difficult

Avg Score
5 / 10

Plays
899

Last 3 plays: Guest 216 (6/10), Guest 146 (3/10), Guest 75 (2/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. What is the most noticeable feature about the Middle Triassic reptile Tanystropheus? Hint

Its shell

Its large eyes

Its very large jaws

Its very long neck

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Question 2 of 10

2. What was the diet of the middle to late Triassic placondonts? Hint

Shellfish

Fish

Meat

Plants

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Question 3 of 10

3. What was the most obvious feature about the placodont Henodus chelyops? Hint

Its long neck

Its strange crest

Its large jaws

Its shell

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Question 4 of 10

4. What did the Jurassic Pterosaur Ctenochasma eat? Hint

Small organisms it filtered from the water like a flamingo

Fish like the modern water bird the skimmer

Carrion like a vulture

Smaller pterosaurs like a falcon

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Question 5 of 10

5. Pterosaurs are often called Pterodactyls. Pterodactylus was a group with several species in it. Which of these statements about the group is correct? Hint

Wingspans between 25 and 250 cms. Lived in the mid Cretaceous

Wingspans between 100 and 400 cms. Lived in the early and mid Cretaceous

Wingspans between 120 and 500 cms. Lived in the late Jurassic

Wingspans between 25 and 250 cms. Lived in the late Jurassic

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Question 6 of 10

6. Which of these is the odd one out? Hint

Askeptosaurs

Erythrosuchids

Nothosaurs

Placodonts

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Question 7 of 10

7. Which was the last known Pterosaur? Hint

Dorygnathus

Pterodaustro

Rhamphorynchus

Quetzalcoatlus

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Question 8 of 10

8. Which is the odd one out? Hint

Longisquamata

Traversodont

Podopteryx

Kuehnosaurus

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Question 9 of 10

9. Euparkeria was the earliest known reptile to do what? Hint

Walk on 2 legs

Live mainly in water

Glide

Eat vegetation

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Question 10 of 10

10. How big was the wingspan of the late Jurassic pterosaur Agnurognathus? Hint

61cm to 1.2m

2.51m +

1.21m to 2.5m

up to 60cm

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Oct 21 2024 : Guest 216: 6/10
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Quiz Answer Key and Fun Facts

1. What is the most noticeable feature about the Middle Triassic reptile Tanystropheus?

Answer: Its very long neck

The neck of an adult Tanystropheus could be five times the length of its body but it only contained 9 to 12 vertebrae so it was not very flexible. The neck of one specimen was mistaken for the wing of a pterosaur.

It grew to up to six metres long, was a poor swimmer and apparently could shed its tail like some modern lizards.

2. What was the diet of the middle to late Triassic placondonts?

Answer: Shellfish

They were highly successful in their day but do not seem to have been strong swimmers. Unlike most reptiles many had 2 types of teeth -spoon like teeth at the front their jaws to remove molluscs from their attachments plus crushing teeth to deal with the shells.

3. What was the most obvious feature about the placodont Henodus chelyops?

Answer: Its shell

It was very like a marine turtle but was not closely related to them. It lived about 210 million years ago.

4. What did the Jurassic Pterosaur Ctenochasma eat?

Answer: Small organisms it filtered from the water like a flamingo

It was found in the Solnhofen limestone (the same place as Archaeopteryx). It had a wingspan of about 1.2metres.

5. Pterosaurs are often called Pterodactyls. Pterodactylus was a group with several species in it. Which of these statements about the group is correct?

Answer: Wingspans between 25 and 250 cms. Lived in the late Jurassic

There were several species. One baby, which it seems could fly, had an 18 cm (7 inch) wingspan and a 2cm long body.
Pterodactylus was the first Pterosaur to be found in 1784. It was claimed to be a water bird, a swimming animal and 'an Epicene creature, half bird and half bat'.

6. Which of these is the odd one out?

Answer: Erythrosuchids

All these animals are Triassic.
Erythrosuchids are the first (known) group of large predators of the Triassic. They resembled a large lizard. They are terrestrial and the others are aquatic.
Nothosaurs appeared in the early Triassic and died out before the start of the Jurassic. They resembled the later Plesiosaurs.
Askeptosaurs are known from 1 or 2 Triassic genera - they are a lizard like marine reptile.
The placodonts are shell fish eaters and with Ichthyosaurs & Tanystropheus complete the list of known Triassic marine reptiles.

7. Which was the last known Pterosaur?

Answer: Quetzalcoatlus

It was also the largest known. It had a wingspan of 11-12metres (some people claim up to 16m) and a weight of up to 85 kg. It lasted to the end of the Cretaceous.
Dorygnathus was Early Jurassic
Rhamphorynchus was Late Jurassic
Pterodaustro was an early Cretaceous filter feeding (flamingo-like) pterosaur.

8. Which is the odd one out?

Answer: Traversodont

Again these are all Triassic animals.
They were all gliders except Traversodont which was a diademodont. Diademodonts are Late Triassic Cynodonts with the first occurrence of chewing teeth like human molars.
The other 3 are lizard like gliders of the late Triassic.
Kuehnosaurus had a wing supported by expanded ribs like the modern Draco lizard.
The other 2 are from the same deposits.
Podopteryx had membranes connected to its limbs like modern gliders except that there seem to have been separate membranes for each limb.
Longisquamata had a crest of massively enlarged scales which it used as a wing.

9. Euparkeria was the earliest known reptile to do what?

Answer: Walk on 2 legs

It was lightly built, about 1m long and a good candidate for an ancestor of the dinosaurs. It comes from the early Triassic of South Africa. Although the Mesozoic is called the age of dinosaurs they did not appear till the middle of the Triassic.

10. How big was the wingspan of the late Jurassic pterosaur Agnurognathus?

Answer: up to 60cm

It had a wingspan of 50cm and a body only 5cm long. It is believed to have been agile enough to catch insects on the wing.

Source: Author tnrees

This quiz was reviewed by FunTrivia editor crisw before going online.
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