Trilobites

Question 0

Describe Agnostida…

Answer 0

• 2-3 segments
• No spines
• No eyes
• Tiny!

Question 1

In what times did the trilobites live?

Answer 1

Lower Cambrian to Upper Permian

Question 2

Which order of trilobite is fairly spiny and has 22 thoracic segments?

Answer 2

Redlichiida

Question 3

Describe Ptychoperiida…

Answer 3

• 6 segments

* Massive genial spines

Question 4

Which trilobite has 12-13 segments and small eyes?

Answer 4

Phacopida

Question 5

Which trilobite has 11 segments and a flat glabella?

Answer 5

Phacopina

Question 6

Describe the trilobite order Odontopleurida…

Answer 6

Insanely spiny!

Question 7

Name 5 parts of the trilobite anatomy

Answer 7

• Facial suture
• Cephalon
• Glabella
• Pygidium
• Thorax

Question 8

When did Agnostida live?

Answer 8

Lower Cambrian-Upper Ordovician

Question 9

When did Redlichiida live?

Answer 9

Lower Cambrian-Mid Cambrian

Question 10

When did Ptychoperiida live?

Answer 10

Lower Cambrian-Upper Devonian

Question 11

When did Phacopida live?

Answer 11

Lower Ordovician-Mid Devonian

Question 12

When did Phacopina live?

Answer 12

Lower Ordovician-Upper Devonian

Question 13

When did Odontopleurida live?

Answer 13

Upper Cambrian-Mid Devonian