A Common Ancestor
- DNA
- Ester bonds

Bacteria
- Simple RNA polymerase (four polypeptides)
- Formylmethionine structure in initiator tRNA
- Cell wall does contain peptidoglycan

r

Traits:Ester LinkageDNA as genetic materialNo histones presentNo membrane-bound organellesNo chromosome(s) within a membrane-bound nucleusSingle RNA polymerase with four polypeptidesFormylmethionine Methionine structure in the initiator rRNAPresence of peptidoglycan in cell wall

Escherichia coli

Escherichia coli

A Common Ancestor
- Histones
- Multiple RNA polymerases (eight or more polypeptides)
- Methionine structure in initiator tRNA

Archaea
- Ether bonds
- Cell wall does not contain peptidoglycan

Methanobrevibacter smithii

Methanobrevibacter smithii

Subtopic

Eukarya
- Chromosomes in membrane-bound nucleus
- Membrane-bound organelles
- Cell wall does not contain peptidoglycan, but is present

Bikonta

Corticata

Ancoracysta

Picozoa

Podiata

Unikonta

Amoebozpa
- Pseudopodia that extend like tubes or flat lobes

Eumycetozoa

Slime Molds (Phylum Mycetozoa)

Slime Molds (Phylum Mycetozoa)

Archamobae

Lobosea

Obazoa

Breviatea

Apusomonadida and Opisthokonts'

Apusomonadida

Opisthokonta
- Single posterior
flagellum on
swimming cells
- absorptive heterotrophs

Holomycota

Nucleariids

Fonticulida

Nucleariida

Fungi
- multicellular
- cell wall (composed of chitin)
- zygotic life cycle

Lower Fungi (Phycomycetes)

Zygomycota

Mucoromycotina

Mucoromycetes

Mucorales

Rhizopodaceae

Rhizopus

Black Bread Mold (Rhizopus stolonifer)

Black Bread Mold (Rhizopus stolonifer)

Chyridiomycota

Glomeromycota

Higher Fungi (Dikarya)

Ascomycota

Basidiomucota

Dacrymycetes

Agaricomycetes

Agaricomycetidae

Agaricales

Pluteineae

Amanitaceae

Amaniteae

Amanita

Fly Agaric (Amanita muscaria)

Fly Agaric (Amanita muscaria)

Holozoa

Ichthyosporea

Filozoa and Pluiformea

Pluriformea

Corallochytrium

Syssomonas

Philozoa
- mobility

Filasterea

Choanozoa

Chanoflagellates

Animalia (Metazoa)
- multicellular
- complex organ systems
- gametic life cycle

Porifera (Sponges)

Eumetazoa
- true tissues

Ctenophora

ParaHoxozoa

?

Placozoa

Cnidaria
- radial symmetry
- 2 tissue layers

Anthozoa

Octocorallia

Hexacorallia

Actiniaria

Antipatharia

Corallimorpharia

Scleractinia

Acroporidae

Acropora

Elkhorn coral (Acropora palmata)

Elkhorn coral (Acropora palmata)

Zoantharia

Ceriantharia

Medusozoa

Hydrozoa

Hydroidolina

Anthoathecata

Moersia

Hydrichthys

Aplanulata

Capitata

Pennariidae

Pennaria

Pennaria disticha

Pennaria disticha

Filifera

Leptothecata

Siphonophorae

Trachylinae

Acraspeda

Staurozoa

Rhopallophora

Scyphozoa

Coronamedusae

Discomedusae

Rhizostomeae

Semaeostomeae

Cyaneidae

Drymonematidae

Pelagiidae

Phacellophoridae

Ulmaridae

Undosa

Aureliinae

Aurelia

Moon Jelly (Aurelia aurita)

Moon Jelly (Aurelia aurita)

Aurosa

Deepstariinae

Poraliinae

Stellamedusinae

Sthenoniinae

Stygiomedusinae

Tiburoniinae

Ulmarinae

Cubozoa

Myxozoa

Bilateria (Triploblasts)
- bilateral symmetry
- 3 tissue layers

Xenacoelomorpha

Xenoturbellida

Acoelomorpha

Nephrozoa

Deuterostomia
- deuterostome development

Chordata
- notochord
- hollow dorsal nerve chord
- pharyngeal slits
- post anal tail

Cephalochordates

Leptocardii

Branchiostomatidae

Asymmetron

Branchiostoma

Branchiostoma lanceolatum

Branchiostoma lanceolatum

Epigonichthys

Olfactores
- cranium

Tunicates (urochordata)

Appendicularia

Ascidiacea

Unnamed Taxon

Thaliacea

Doliolida

Salpida

Unnamed Taxon

Phlebobranchia

Aplousobranchia '

Stolidobranchia

Molgulidae

Unnamed Taxon

Styelidae

Pyuridae

Halocynthia

Pacific Sea Peach (Halocynthia aurantium)

Pacific Sea Peach (Halocynthia aurantium)

Craniates (Vertebrata)
- vertebral column

Agnatha

Myxini

Myxiniformes

Myxinidae

Eptatretinae

Eptatretus

Pacific Hagfish (Eptatretus stoutii)

Pacific Hagfish (Eptatretus stoutii)

Hyperoartia

Unnamed Taxon

Myllokunmingia fengjiaoa

Zhongjianichthys rostratus

Conodonta

Cephalaspidomorphi

Pteraspidomorphi

Osteostraci

Gnathostomata
- jaws

Placodermi

Eugnathostomata
- bony skeleton

Chondrichthyes
- cartilaginous skeleton

Elasmobranchii

Neoselachii

Selachii

Galeomorphi

Lamniformes

Lamnidae

Carcharodon

Great White Shark (Carcharodon carcharias)

Great White Shark (Carcharodon carcharias)

Holocephali

Osteichthyes

Actinopterygii (Ray-Finned Fishes)

Perciformes

Acanthuridae

Acanthurinae

Paracanthurus

Blue Tang (Paracanthurus hepatus)

Blue Tang (Paracanthurus hepatus)

Sarcopterygii (Lobe-Finned Fishes)
- lungs / lung derivative

Onychodontidae

Actinistia

Miguashaiidae

Unnamed Taxon

Diplocercidae

Hadronectoridae

Rhabdodermatidae

Unnamed Taxon

Sassenia

Unnamed Taxon

Unnamed Taxon

Coelacanthidae

Laugiidae

Unnamed Taxon

Spermatodus

Coelacanthiformes

Whiteiidae

Unnamed Taxon

Rebellatricidae

Latimerioidei

Garnbergia

Mawsoniidae

Unnamed Taxon

Unnamed Taxon

Diplurus

Libys

Megalocoelacanthus

Latimeriidae

Unnamed Taxon

Holophagus

Undina

Unnamed Taxon

Macropoma

Unnamed Taxon

Swenzia

Latimeria

Coelacanth (Latimeria chalumnae)

Coelacanth (Latimeria chalumnae)

Rhipidistia

Styloichthys changae

Dipnomorpha

Tetrapodomorpha

Tungsenia paradoxa

Kenichthys campbelli

Unnamed Taxon

Rhizodontiformes

Unnamed Taxon

Thysanolepidae

Canowindridae

Unnamed Taxon

Osteolepiformes

Eotetrapodiformes

Tristichopteridae

Unnamed Taxon

Tinirau clackae

Unnamed Taxon

Platycephalichthys

Elpistostegalia

Panderichthys rhombolepis

Unnamed Taxon

Elpistostegidae

Stegocephalia

Elginerpetonidae

Unnamed Taxon

Unnamed Taxon

Metaxygnathus denticulus

Ventastega curonica

Tetrapoda
- limbs w/digits

Amphibia

Anura

Phyllomedusidae

Agalychnis

Red Eyed Tree Frog (Agalychnis callidryas)

Red Eyed Tree Frog (Agalychnis callidryas)

Amniota
- amniotic egg

Synapsida
- milk
- hair

Mammalia

Theria

Placentalia

Laurasiatheria

Carnivora

Ursidae

Ursinae

Ursus

American Black Bear (Ursus americanus)

American Black Bear (Ursus americanus)

Reptilia

Parareptilia

Eureptilia

Captorhinidae

Romeriida

Paleothyris

Diapsida

Araeoscelidia

Neodiapsida

Claudiosaurus

Unnamed Taxon

Younginiformes

Reptilia

Lepidosauromorpha

Kuehneosauridae

Lepidosauria

Rhynchocephalia

Squamata

Archosauromorpha

Unnamed Taxon

Choristodera

Unnamed Taxon

Prolacertiformes

Unnamed Taxon

Unnamed Taxon

Trilophosaurus

Rhynchosauria

Archosauriformes

Pantestudines

Eosauropterygia

Unnamed Taxon

Placodontia

Unnamed Taxon

Sinosaurosphargis

Unnamed Taxon

Odontochelys

Testudinata

Proganochelys

Testudines

Chelonioidea

Cheloniidae

Carettinae

Chelonia

Green Sea Turtle (Chelonia mydas)

Green Sea Turtle (Chelonia mydas)

Ambulacraria

Echinodermata

Crinoidea

Unnamed Taxon

Echinozoa

Holothuroidea

Actinopoda

Synallactida

Stichopodidae

Apostichopus

California sea cucumber (Apostichopus californicus)

California sea cucumber (Apostichopus californicus)

Paractinopoda

Echinoidea

Cidaroidea

Euechinoidea

Acroechinoidea

Carinacea

Calycina

Echinacea

Arbacioida

Camarodonta

Gagaria

Echinidea

Odontophora

Echinometridae

Strongylocentrotidae

Hemicentrotus

Mesocentrotus

Pseudocentrotus

Strongylocentrotus

Purple Sea Urchin (Strongylocentrotus purpuratus)

Purple Sea Urchin (Strongylocentrotus purpuratus)

Toxopneustidae

Echinidae

Parechinidae

Temnopleuridea

Parasaleniidae

Stomopneustoida

Irregularia

Echinothurioida

Asterozoa

Ophiuroidea

Myophiuroida

Metophiurida

Euryophiurida

Euryalida

Ophiurida

Anophiura

Ophiomusina

Ophiurina

Astrophiuridae

Ophiopyrgidae

Ophiuridae

Ophiurinae

Ophiura

Serpent Star (Ophiura ophiura)

Serpent Star (Ophiura ophiura)

Ophintegrida

Asteroidea

Hemichordata

Protostomia
- protostome development

Ecdysozoa
- molting

Scalidophora

?

Panarthropoda

Onychophora

Tactopoda

Tardigrada

Eutardigrada

Heterotardigrada

Mesotardigrada

Arthropoda

Trilobitomorpha

Pycnogonida

Chelicerata

Xiphosura

Unnamed Taxon

Unnamed Taxon

Eurypterida

Chasmataspidida

Unnamed Taxon

Arachnida

Acari

Amblypygi

Araneae

Araneomorphae

Entelegynae

Araneoidea

Theridiidae

Latrodectus

Southern Black Widow (Latrodectus mactans)

Southern Black Widow (Latrodectus mactans)

Haplogynae

Austrochiloidea

Hypochilidae

Psilodercidae

Mesothelae

Mygalomorphae

Opiliones

Palpigradi

Pseudoscorpiones

Ricinulei

Schizomida

Scorpiones

Solifugae

ropygi

Pycnogonida

Mandibulata

Myriapoda

Symphyla

Chilopoda

Unnamed Taxon

Diplopoda

Pauropoda

Pancrustacea (Crustacea)

Oligostraca

Ostracoda

Maxillopoda

Altocrustacea

Multicrustacea

Maxillopoda

Malacostraca

Phyllocarida

Hoplocarida

Eumalacostraca

Syncarida

Peracarida

Eucarida

Amphionidacea

Euphausiacea

Decapoda

Dendrobranchiata

Pleocyemata

Stenopodidea

Caridea

Astacidea

Glypheidea

Axiidea

Gebiidea

Achelata

Polychelida

Anomura

Brachyura

Dromiacea

Raninoida

Cyclodorippoida

Eubrachyura

Thoracotremata

Heterotremata

Aethroidea

Bellioidea

Bythograeoidea

Calappoidea

Cancroidea

Carpilioidea

Cheiragonoidea

Corystoidea

Dairoidea

Dorippoidea

Eriphioidea

Gecarcinucoidea

Goneplacoidea

Hexapodoidea

Hymenosomatoidea

Leucosioidea

Majoidea

Orithyioidea

Palicoidea

Parthenopoidea

Pilumnoidea

Portunoidea

Brusiniidae

Carcinidae

Geryonidae

Portunidae

Achelouinae

Caphyrinae

Carupinae

Lupocyclinae

Podophthalminae

Portuninae

Arenaeus

Atoportunus

Callinectes

Chesapeake Blue Crab (Callinect’es sapidus)

Chesapeake Blue Crab (Callinect’es sapidus)

Carupella

Cavoportunus

Cycloachelous

Monomia

Portunus

Sanquerus

Scylla

Xiphonectes

Thalamitinae

Potamoidea

Pseudothelphusoidea

Pseudozioidea

Retroplumoidea

Thioidea

Trapezioidea

Trichodactyloidea

Trichopeltarioidea

Xanthoidea

Allotriocarida

Xenocarida

Remipedia

Cephalocarida

Branchiopoda

Hexapoda

Ellipura

Collembola

Protura

Ectognatha

Diplura

Insecta

Archaeognatha

Zygentoma

Pterygota

Lepidoptera

Papilionoidea

Nymphalidae

Danainae

Danaini

Danaina

Danaus

Monarch (Danaus plexippus)

Monarch (Danaus plexippus)

Nematoida

Spiralia

Platyzoa

Gnathifera

Syndermata

Rotifera

Seisonida

Acanthocephala

Gnathostomulida

Micrognathozoa

Cycliophora

Rouphozoa

Platyhelminthes

Gastrotricha

Platytrochozoa

Platyhelminthes (Flatworms)

Rhabditophora

Macrostomorpha

Macrostomida

Dolichomacrostomidae

Macrostomidae

Macrostomum

Macrostomum lignano

Macrostomum lignano

Microstomidae

Haplopharyngida

Trepaxonemata

Amplimatricata

Lecithoepitheliata

Polycladida

Euneoophora

Rhabdocoela

Proseriata

Acentrosomata

Adiaphanida

Prolecithophora

Fecampiida

Tricladida

Bothrioneodermata

Bothrioplanida

Neodermata

Trematoda

Aspidogastrea

Digenea

Diplostomida

Plagiorchiida

Echinostomata

Fasciolidae

Fasciola

Sheep Liver Fluke (Fasciola hepatica)

Sheep Liver Fluke (Fasciola hepatica)

Monogenea

Cestoda

Cestodaria

Eucestoda

Cyclophyllidea

Amabiliidae

Anoplocephalidae

Davaineidae

Dilepididae

Diploposthidae

Dipylidiidae

Hymenolepididae

Nematotaeniidae

Taeniidae

Echinococcus

Hydatigera

Taenia

Pork Tapeworm (Taenia solium)

Pork Tapeworm (Taenia solium)

Catenulida

Lophotrochozoa

Cycliophora

Annelida

Sipuncula

Myzostomida

Unnamed Taxon

Canalipalpata

Clitellata

Siboglinidae

Aciculata

Echiura

Unnamed Taxon

Mollusca

Unnamed Taxon

Bivalvia

Autobranchia

Heteroconchia

Archiheterodonta

Euheterodonta

Anomalodesmata

Imparidentia

Myida

Myoidea

Myidae

Mya

Soft Shell Clam (Mya arenaria)

Soft Shell Clam (Mya arenaria)

Orthonotoidea

Palaeoheterodonta

Pteriomorphia

Protobranchia

Monoplacophorans

Unnamed Taxon

Gastropods

Patellogastropoda

Unnamed Taxon

Vetigastropod

Unnamed Taxon

Neritimorpha

Unnamed Taxon

Caenogastropoda

Architaenioglossa

Ampullarioidea

Ampullariidae

Pomacea

Golden Apple Snail (Pomacea canaliculata)

Golden Apple Snail (Pomacea canaliculata)

Unnamed Taxon

Nudipleura

Unnamed Taxon

Euopisthobranchia

Panpulmonata

Unnamed Taxon

Cephalopoda

Coleoidea

Decapodiformes

Oegopsida

Ommastrephidae

Ommastrephinae

Dosidicus

Humboldt squid (Dosidicus gigas)

Humboldt squid (Dosidicus gigas)

Octopodiformes

Nautiloidea

Scaphopods

Subtopic

Aplacophorans

Polyplacophorans

Kryptotrochozoa

Nemertea

Lophophorata

Brachiozoa

Brachiopoda

Phoronida

Bryozoa

Entoprocta

Ectoprocta

CRuMs

Mantamanas

Diphylleida and Rigiflida

Diphylleida

Rigiflida

Excavata
- Feeding Grove
- Secondary Plastids

Discoba

Discicristata

Euglenozoa

Euglenida

Euglenoids (Phylum Euglenozoa)

Euglenoids (Phylum Euglenozoa)

Glycomonada

Kinetoplastea

Diplonemea

Tsukubamonas

Jakobida

Metamonada

Ancyromonadida

Hemimastigophora

Topic principal