Common Ancestor (DNA, Ester Bonds)
Bacteria (Peptidoglycan)

Escherichia coli
Common Ancestor (Histones)
Eukarya (Nucleus, Organelles)
Archaeplastida (Primary Plastids)
Common Ancestor
Chlorophyll a & b, b-Carotene cellulose rich cell walls
Ring-Shaped cellulose-synthesizing proteins phragmoplast
Land Plants (embryo, sporic life cycle, gametangia, sporangia, apical meristems and desiccation-resistant spores)
Common Ancestor
Common Ancestor
Common Ancestor of vascular plants (xylem and phloem, leaves, dominant sporophyte, stomata and waxy cuticle, Lignin)
Lycophytes (Lychophylls)

Fan clubmoss (Diphasiastrum digitatum)
Common Ancestor (Megaphylls)
Monilophytes
Ferns

Eastern Marsh Fern (Thelypteris palustris)
Horsetails
Seed Plants (Ovules, Pollen, Seeds, Heterospory, Wood)
Gymnosperms
Conifers
Scots Pine (Pinus sylvestris)
Bald Cypress (Taxodium distichum)
Angiosperms (Flowers, Fruit, Endosperm, Ovaries)

Southern Magnolia (Magnolia grandiflora)

White Water Lily (Nymphaea alba)
Hornworts

Field hornwort (Anthoceros agrestis)
Mosses
Woolly Feather Moss (Tomentypnum nitens)
Liverworts
Common Liverwort (Marchantia polymorpha)
Zygotic life cycle
Charophytes

Braun's stonewort (Chara braunii)
Chlorophytes
Phycoerythrin photosynthetic pigment
Rhodophyta
Glaucophyte Algae
Unikonta (Absorptive Heterotrophy)
Opisthokonta (single posterior flagellum on swimming cells, absorptive heterotrophy )
Animals (Mobility, Gametic Life Cycle, Complex Organ Systems, Multicellular)
Eumetazoa (Tissues)
Bilateria (Bilateral Symmetry, Triploblastic, Cephalization)
Protostomia (Spiral, determinant cleavage, Blastopore becomes mouth)
Lophotrochozoa (Presence of
trochophore larvae or
lophophore)
Mollusca
Gastropoda
Golden Apple Snail (Pomacea canaliculata)
Bivalvia (No cephalization)
Soft Shell Clam (Mya arenaria)
Cephalopoda

Humboldt squid (Dosidicus gigas)
Platyhelminthes (Flatworm)
"Tubella"
Free Living Rhabditophorans

Macrostomum lignano (Free living)
Trematoda

Sheep Liver Fluke (Fasciola hepatica)
Tapeworm

Pork Tapeworm (Taenia solium)
Annelida

Common Earthworm (Lumbricus terrestris)
Ecdysozoa (Ecdysis)
(Molting, Exoskeleton, Jointed Appendages)
Arthropoda
Chelicerata

Southern Black Widow (Latrodectus mactans)
Pancrustaceans
Crustaceans

Chesapeake Blue Crab (Callinectes sapidus)
Hexapoda

Monarch butterfly (Danaus plexippus)
Nematoda
Roundworm (Caenorhabditis elegans)
Deuterostomia (Radial, indeterminate, Blastopore becomes anus)
Echinodermata (Water vascular system)
Echinozoa
Holothuroidea (Sea Cucumbers)
California sea cucumber (Apostichopus californicus)
Echinoidea (Urchins)
Purple Sea Urchin (Strongylocentrotus purpuratus)
Asterozoa
Asteroidea (Sea Stars)

Giant Sea Star (Pisaster giganteus)
Ophiuroidea (Brittle Stars)

Serpent Star (Ophiura ophiura)
Chordata (Notochord, segmentation, jointed appendages, Pharyngeal slits)
Vertebrata (Vertebral column) Craniata (heads) Ectothems, cartilage
Gnathostomes (Jaw, bony skeleton)
Osteichthyes (Lungs, lung derivatives)
Lobed Fins
Tetrapods, Limbs with digits
Amniota (Amniotic egg)
Mammalia (Endotherm, hair, milk)
Carnivora
American Black Bear (Ursus americanus)
Reptilia
Birds (Endotherm)
Green Sea Turtle (Chelonia mydas)
Amphibia
Red Eyed Tree Frog (Agalychnis callidryas)
Dipnoi Lungfish
Colelacanth
Latimeria chalumnae
Ray-finned fishes

Blue Tang (Paracanthurus hepatus)
Chondrichthyes (loss of bony skeleton)

Great White Shark (Carcharodon carcharias)
Agnathans (Cyclostomata)
Myxini (hagfish)
Pacific hagfish (Eptatretus stoutii)
Petromyzontida
Lampreys
Urochordata
Tunicates
Stolidobranchia
Sea Peaches (Halocynthia aurantium)
Cephalochorata
Lancelets

Branchiostoma lanceolatum
Radial Symmetry, Diploblastic
Cnidaria
Medusozoa
Moon Jelly (Aurelia aurita)

Pennaria disticha
Anthozoa
Elkhorn coral (Acropora palmata)
Parazoa
Porifira

Giant Barrel Sponge (Xestospongia muta)

Choanoflagellates
Fungi (Chitin Cell Wall, zygotic life cycle with dikaryotic stage, Multicellular)

Fly Agaric (Amanita muscaria)
Black Bread Mold
Amoebozoa (Pseudopodia)
Slime Molds
SAR Clade
Common Ancestor
Stramenopiles (Tripartite Flagellar Hair, Secondary Plastids )

Diatoms
Kelp
Alveolates ( Membraneous Vesicles, Secondary Plastids )

Dianoflagellates
Rhizarians ( Filose Pseudopodia )

Radiolarians

Foraminfera
Excavata ( Feeding Groove, Secondary Plastids )

euglenoids
Archaea (Ether Bonds)

Methanobrevibacter smithii