The Lophophorate

Phyla …

Phylum Bryozoa

Phylum Brachiopoda

Brachiopoda 2

Phylum Chaetognatha

Phylum Echinodermata

Water vascular system

Tube feet

Pedicellaria

Class Crinoidea

Class Asteroidea

Sea star dissection

Class Ophiuroidea

Class Echinoidea

Class Holothuroidea

Phylum Hemichordata

Chordate clades

Urochordata (Tunicate)

Urochordata 2

Tunicate larva

Cephalochordata

Cephalochordata 2

Vertebrate clades

Agnatha (hagfish)Subclass Myxini

Agnatha (lamprey)Subclass Cephalospidomorphi

Jaw evolution

Acanthodii

Acanthodii 2

Class Chondrichthyes

Placoid scale (dentricle)

Lateral line

Shark Anatomy

Claspers

Elasmobranchii

Holocephali

Osteichthyes

Swim Bladder

Subclass Sarcopterygii (lungfish)

Sarcopterygii (Coelocanths)

Subclass Actinopterygii (Sturgeons and Paddlefish)

Actinopterygii (Gar Pike)

Actinopterygii (Teleost fishes)

Class Amphibia

Caudata

Anura

Apoda (caecilian)

Class Reptilia

Amniotic egg

Order Crocodilia

Alligator vs. Crocodile

Order Tuatara

Order Squamata—Suborder Sauria

Squamata—Suborder Serpentes

Order Chelonia or Testudinata

Turtle Skeleton

Anapsida

Synapsid skull

Diapsid skull

Amniote clade

Therapsids

Bird-hipped

Reptile-hipped

Ankylosaurs

Hadrosaurs

Stegasaurs

Iguanadons

Ceratopsids

Theropods

Sauropods

Class Aves

Feather morphology

Bird Skeleton

Avian Respiratory System

Avian Digestive System

Order Passeriformes

Order Falconiformes

Order Charadriiformes

Order Psittaciformes

Order Strigiformes

Order Piciformes

Monotremata

Platypus

Marsupialia

Marsupialia

Eutheria

Placenta

Insectivora

Sirenia

Lagomorpha

Rodentia

Cetacea—Odontoceti

Cetacea-Mysticeti

Cetacea-Mysticeti Blowhole

Carnivora--Carnassial Molar

Felidae

Canidae

Ursidae

Procyonidae

Pinnipedia

Artiodactyla

Suiformes

Ruminantia

Ruminantia

Horn vs Antler

Perrisodactyla

Chiroptera

Primata

Prosimii

Anthropoidea

Pongidae

Hominidae