Echinoderms and etc names

Superphylum Lophophorata

all have a lophophore

Phylum Bryozoa

moss animals: U shaped lophophore

Class: Phylactolaemata

Bryozoan- Only freshwater, gelatinous, no polymorphism

Class Gymnolaemata

Bryozoan- mostly marine

Phylum: Phoronidea

worm like, build sandy tubes

Crown shaped lophophore, double spiral

Phylum: Brachiopoda

lamp shells

Phylum Echinodermata

spiny skin

Class Crinoidea

sea lilies and feather stars

Class Asteroidea

sea stars

Order Paxillosida

primitive starfish, sand dwelling, tube feet without suckers

Order Valvatida

Conspicuous marginal ossicles, tube feet with suckers

Order Spinulosida

Cushion Stars

Order Forcipulata

Intertidal starfish

Class Ophiuroidea

brittle stars and basket stars

Order Ophiurida

brittle stars

Order Euryalida

basket stars

Order Echinacea

common regular sea urchins

Order Spatangoida

heart urchins (irregular)

Order Clypeasteroida

sea biscuits and sand dollars

Class Holothuroidea

sea cucumbers

Order Aspidochirotida

cucumber-they "aspirate" (or vacuum) their food. "Leaf-like" tentacles.

Order Molpadiida

cucumber

Order Elasipodida

deep sea cucumber

Class Stenolaemata

Bryozoan- marine, calcified, little polymorphism

Order Cheilostomata

calcified marine bryozoan

Class Inarticulata

brachiopods with no hinge- burrowers

Class Articulata

brachiopod with a hinge

Class Echinoidea

sea urchins and sand dollars

Phylum Chaetognatha

arrow worms

Phylum Hemichordata

acorn worms and pterobranchs

Class Enteropneusta

acorn worms

Phylum Chordata

Chordates

Subphylum Cephalochordata

lancelets (amphioxus)

Subphylum Urochordata

tunicates, sea squirts, salps

Class Ascidiacea

sea squirts, tunicates

Class Larvacea

urochordate class with no adult stage. Neoteny. Have elaborate mucous houses. Go through paedomorphosis

Class Thaliacea

salps