Life and Earth History

Question 1

What’s the Geological Time scale?

Answer 1

Quaternary - Cenozoic - Phanerozoic
2.6
Neogene
20
Paleogene
65
Cretaceous - Mesozoic
150
Jurassic
200
Triassic
250
Permian - Paleozoic
300
Carboniferous
360
Devonian
420
Silurian
440
Ordovician
490
Cambrian
540

Question 2

Name this trilobite

Answer 2

Phylum: Arthropoda
Class: Trilobita (Cam - Perm)
Order: Agnostida (L. Cam - U. Ord)

Question 3

Name this trilobite

Answer 3

Phylum: Arthropoda
Class: Trilobita (Cam - Perm)
Order: Redlichiida (L.-M. Cam)

Question 4

Name this trilobite

Answer 4

Phylum: Arthropoda
Class: Trilobita (Cam - Perm)
Order: Ptychopariida (L. Cam - U. Dev)
Sub-order: Trinucleina (L. Ord. - M. Sil)

Question 5

Name this trilobite

Answer 5

Phylum: Arthropoda
Class: Trilobita (Cam - Perm)
Order: Phacopida (L. Ord - U. Dev)
Sub-order: Calymenina (L. Ord - M. Dev)

Question 6

Name this trilobite

Answer 6

Phylum: Arthropoda
Class: Trilobita (Cam - Perm)
Order: Phacopida (L. Ord - U. Dev)
Sub-order: Phacopina (L. Ord - U. Dev)

Question 7

Name this trilobite

Answer 7

Phylum: Arthropoda
Class: Trilobita (Cam - Perm)
Order: Odontopleurida (U. Cam - M. Dev)

Question 8

Name that brachiopod

Answer 8

Phylum: Brachiopoda (Cam - Rec)
Class: Inarticulata (L. Cam - Rec)
Order: Lingulida (Cam - Rec)

Question 9

Name that brachiopod

Answer 9

Phylum: Brachiopoda (Cam - Rec)
Class: Articulata (L. Cam - Rec)
Order: Orthida (L. Cam - U. Perm)

Question 10

Name that brachiopod

Answer 10

Phylum: Brachiopoda (Cam - Rec)
Class: Articulata (L. Cam - Rec)
Order: Strophomenidina (L. Ord - L. Jur)

Question 11

Name that brachiopod

Answer 11

Phylum: Brachiopoda (Cam - Rec)
Class: Articulata (L. Cam - Rec)
Order: Pentameridina (M. Cam - U. Dev)

Question 12

Name that brachiopod

Answer 12

Phylum: Brachiopoda (Cam - Rec)
Class: Articulata (L. Cam - Rec)
Order: Rhynconellida (M. Ord - Rec)

Question 13

Name that brachiopod

Answer 13

Phylum: Brachiopoda (Cam - Rec)
Class: Articulata (L. Cam - Rec)
Order: Spiriferida (M. Ord - Jur)

Question 14

Name that brachiopod

Answer 14

Phylum: Brachiopoda (Cam - Rec)
Class: Articulata (L. Cam - Rec)
Order: Tereratulida (L. Dev - Rec)

Question 15

Name that group of brachiopods

Answer 15

Rictophenids

​

(Exception! They are coral-like and can form reefs)

Question 16

The Phylum Mollusca is split into what classes?

Answer 16

Phylum Mollusca (Cam - Rec)

Class: Bivalvia
Class: Gastropoda
Class: Cephalopoda
Class: Amphineura
Class: Monoplacophora

All Classes Cam - Rec

Question 17

What are the exceptions in the bivalves and why?

Answer 17

Gryphea

Low Mg calcitic shell
(free-lying, recliner, no attachment; thick, heavy shell; inequivalve; weak/absent dentition

Rudists

Coral-like, build Cretaceous reefs
(similar external morphology to the brachiopod rictophenids and are a good hydrocarbon reservoir -pore space where soft parts were)

Scallops (Pecten)

Only bivalves with eyes

Question 18

Class Cephlapoda is split into what Sub-classes?

Answer 18

Class Cephlapoda

1. Sub-class: Nautiloidea
   
2. Sub-class: Ammonoidea (479 - 65Ma)

Order: Goniatitida (388.5 - 252Ma)

Order: Ceratitida (254 - 200Ma)

Order: Ammonitida (215 - 66Ma)

3. Subclass: Coleoidea (410Ma - Rec)
   (Belemnoidea)
4. Super-order: Decapodiformes
   (Squid and Octopods)

Question 19

Phylum Echinodermata is split into what Classes?

Answer 19

Phylum Echinodermata

Class Echinoidea

• Regularia
• Irregularia

Class Crinoidea

Class Holothuroidea

Class Ophiuroidea

Class Asteroidea