Kingdom	Phylum	Class	Taxa Count
Animalia	Annelida	Clitellata	4
Animalia	Annelida	Polychaeta	50
Animalia	Arthropoda	Arachnida	451
Animalia	Arthropoda	Branchiopoda	10
Animalia	Arthropoda	Cephalocarida	1
Animalia	Arthropoda	Chilopoda	19
Animalia	Arthropoda	Diplopoda	36
Animalia	Arthropoda	Entognatha	8
Animalia	Arthropoda	Hexanauplia	1
Animalia	Arthropoda	Insecta	3,859
Animalia	Arthropoda	Malacostraca	671
Animalia	Arthropoda	Maxillopoda	85
Animalia	Arthropoda	Merostomata	1
Animalia	Arthropoda	Ostracoda	282
Animalia	Arthropoda	Pauropoda	3
Animalia	Arthropoda	Pycnogonida	1
Animalia	Arthropoda	Remipedia	1
Animalia	Arthropoda	Symphyla	6
Animalia	Brachiopoda	Craniata	8
Animalia	Brachiopoda	Lingulata	16
Animalia	Brachiopoda	Rhynchonellata	184
Animalia	Brachiopoda	Strophomenata	7
Animalia	Bryozoa	Gymnolaemata	574
Animalia	Bryozoa	Phylactolaemata	1
Animalia	Bryozoa	Stenolaemata	89
Animalia	Chordata	Actinopterygii	213
Animalia	Chordata	Amphibia	23
Animalia	Chordata	Ascidiacea	1
Animalia	Chordata	Aves	716
Animalia	Chordata	Cephalaspidomorphi	1
Animalia	Chordata	Elasmobranchii	163
Animalia	Chordata	Holocephali	3
Animalia	Chordata	Mammalia	3,405
Animalia	Chordata	Myxini	1
Animalia	Chordata	Reptilia	562
Animalia	Chordata	Sarcopterygii	5
Animalia	Cnidaria	Anthozoa	692
Animalia	Cnidaria	Cubozoa	1
Animalia	Cnidaria	Hydrozoa	16
Animalia	Cnidaria	Scyphozoa	2
Animalia	Echinodermata	Asteroidea	64
Animalia	Echinodermata	Crinoidea	28
Animalia	Echinodermata	Echinoidea	287
Animalia	Echinodermata	Holothuroidea	36
Animalia	Echinodermata	Ophiuroidea	49
Animalia	Hemichordata	Enteropneusta	4
Animalia	Hemichordata	Pterobranchia	2
Animalia	Mollusca	Bivalvia	1,627
Animalia	Mollusca	Cephalopoda	12
Animalia	Mollusca	Gastropoda	3,142
Animalia	Mollusca	Monoplacophora	1
Animalia	Mollusca	Polyplacophora	69
Animalia	Mollusca	Scaphopoda	47
Animalia	Nematoda	Adenophorea	3
Animalia	Nematoda	Secernentea	2
Animalia	Platyhelminthes	Trematoda	1
Animalia	Porifera	Calcarea	5
Animalia	Porifera	Demospongiae	19
Animalia	Porifera	Hexactinellida	41
Animalia	Porifera	Homoscleromorpha	1
Animalia	Rotifera	Eurotatoria	2
Animalia	Tardigrada	Eutardigrada	5
Animalia	Tardigrada	Heterotardigrada	1
Bacteria	Cyanobacteria	Cyanophyceae	1
Chromista	Foraminifera	Globothalamea	326
Chromista	Foraminifera	Monothalamea	29
Chromista	Foraminifera	Tubothalamea	65
Chromista	Haptophyta	Prymnesiophyceae	27
Chromista	Myzozoa	Dinophyceae	8
Chromista	Ochrophyta	Bacillariophyceae	42
Chromista	Ochrophyta	Chrysophyceae	1
Chromista	Ochrophyta	Dictyochophyceae	4
Chromista	Ochrophyta	Mediophyceae	1
Chromista	Ochrophyta	Phaeophyceae	3
Chromista	Radiozoa	Polycystina	184
Fungi	Ascomycota	Dothideomycetes	3
Fungi	Ascomycota	Eurotiomycetes	1
Fungi	Ascomycota	Lecanoromycetes	1
Fungi	Ascomycota	Sordariomycetes	2
Fungi	Basidiomycota	Agaricomycetes	5
Plantae	Anthocerotophyta	Anthocerotopsida	1
Plantae	Bryophyta	Bryopsida	2
Plantae	Bryophyta	Sphagnopsida	2
Plantae	Charophyta	Charophyceae	7
Plantae	Charophyta	Zygnematophyceae	2
Plantae	Chlorophyta	Chlorophyceae	5
Plantae	Chlorophyta	Trebouxiophyceae	2
Plantae	Chlorophyta	Ulvophyceae	14
Plantae	Marchantiophyta	Marchantiopsida	2
Plantae	Rhodophyta	Florideophyceae	104
Plantae	Rhodophyta	Rhodophyceae	1
Plantae	Tracheophyta	Cycadopsida	9
Plantae	Tracheophyta	Ginkgoopsida	4
Plantae	Tracheophyta	Gnetopsida	6
Plantae	Tracheophyta	Liliopsida	70
Plantae	Tracheophyta	Lycopodiopsida	9
Plantae	Tracheophyta	Magnoliopsida	504
Plantae	Tracheophyta	Pinopsida	63
Plantae	Tracheophyta	Polypodiopsida	62
Protozoa	Amoebozoa	Lobosa	1

Intensification of present Icehouse conditions, present (Quaternary) ice age begins roughly 2.58 Ma; cool and dry climate. Australopithecines, many of the existing genera of mammals, and recent mollusks appear. Homo habilis appears.

Geologic Events

Event Name	Type	Age	Area
Kara-Kul impact (concludes)	Impact Event	~5 Ma	Tajikistan
Andean orogeny (ongoing)	Orogeny	Maximum Age: 200 Ma	South America

Overview of geological time

List all geological events

Go to top of page