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
Eutheria
Placenta
Insectivora
Sirenia
Lagomorpha
Rodentia
Cetacea—Odontoceti
Cetacea-Mysticeti
Cetacea-Mysticeti Blowhole
Carnivora--Carnassial Molar
Felidae
Canidae
Ursidae
Procyonidae
Pinnipedia
Artiodactyla
Suiformes
Ruminantia
Horn vs Antler
Perrisodactyla
Chiroptera
Primata
Prosimii
Anthropoidea
Pongidae
Hominidae