Zoology Unit 1 rootwords

Chordata

cord. string.

Urochordata

tail. cord. (tunic)

Cephalochordata

head. cord. (lancelets)

Osteostraci

bone. armor.

Pteraspidomorphi

wing. shield. shape.

Cyclostomata

circular. mouth.

Petromyzontida

stone. sucker.

Myxini

slime.

Conodonta

cone. tooth.

Anaspida

without. shield.

Placodermi

plate. skin.

Osteichthyes

bone. fish.

Chondrichthyes

cartilage. fish.

Gnathostome

jaw. mouth.

Acanthodii

spiny.

Holocephali

whole. head.

Elasmobranchii

plate. gill.

Selachii

shark.

Squalomorphii

shark

Echinorhiniformes

spiny. nose. shape.

Heterodontiformes

different. tooth. shape.

Squaliformes

rough

Hexanchiformes

six. gill. shape.

Orectolobiformes

extended. lobe. shape.

Galeoidea

helmeted. shark

Carcharhiniformes

jagged tooth. shape.

Lamniformes

monster. shape.

Batoidea

bramble. ray.

Torpediniformes

numbness. shape.

Rhinopristiformes

nose. saw. shape.

Rajiformes

ray. shape.

Mylioformes

grinding mill. shape.

Actinopterygii

ray. fin.

Cladistia

branching.

Polypteriformes

many. fin. shape.

Chondrostei

cartilage. skeleton.

Acipenseriformes

sturgeon. shape.

Acipenseridae

sturgeon.

Polyodontidae

many. tooth.

Holostei

whole. bone.

Amiiformes

needlefish. shape.

Lepisosteiformes

scale. bone. shape.

Teleostei

complete. bone.

Cypriniformes

carp

Siluriformes

catfish

Perciformes

perch

Centrachidae

spiny. anus.

Esociformes

pike

Salmaniformes

salmon

Scombriformes

mackerel

Gadiformes

cod

Lophiiformes

crest. shape.

Pleuronectiformes

side

Anguilliformes

eel

Cichliformes

cichlid

Sacroptergii

fleshy. fin.

Actinistia

ray. sail.

Coelacanths

hollow. spine.

Rhipidistia

fan.

Dipnoi

two. lungs.

Neoceratodontidae

new. horn. tooth.

Lepidosirenidae

scale. long.

Protopteridae

first. fin.