Life and Earth History Flashcards
What’s the Geological Time scale?
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
Name this trilobite

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

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

Name this trilobite

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

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

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

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

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

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

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

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

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

Phylum: Brachiopoda (Cam - Rec)
Class: Articulata (L. Cam - Rec)
Order: Tereratulida (L. Dev - Rec)
Name that group of brachiopods

Rictophenids
(Exception! They are coral-like and can form reefs)
The Phylum Mollusca is split into what classes?
Phylum Mollusca (Cam - Rec)
Class: Bivalvia
Class: Gastropoda
Class: Cephalopoda
Class: Amphineura
Class: Monoplacophora
All Classes Cam - Rec
What are the exceptions in the bivalves and why?
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

Class Cephlapoda is split into what Sub-classes?
Class Cephlapoda
- Sub-class: Nautiloidea
- Sub-class: Ammonoidea (479 - 65Ma)
Order: Goniatitida (388.5 - 252Ma)
Order: Ceratitida (254 - 200Ma)
Order: Ammonitida (215 - 66Ma)
- Subclass: Coleoidea (410Ma - Rec)
(Belemnoidea) - Super-order: Decapodiformes
(Squid and Octopods)

Phylum Echinodermata is split into what Classes?
Phylum Echinodermata
Class Echinoidea
- Regularia
- Irregularia
Class Crinoidea
Class Holothuroidea
Class Ophiuroidea
Class Asteroidea