BIO 203 Lab Practical 1.1 Phylum Porifera + Phylum Cnidaria

Taxonomy

Phylum Porifera common name

sponges, pore bearers

Phylum Porifera number of species

8,500

Phylum Porifera adult feeder type

sessile suspension

Porifera Taxonomy 3 classes covered in lab

Demospongiae, Hexactinellida, Calcarea

Demosponge Phylum

Porifera

Demosponge Class

Demospongiae

Demosponge Diagnostic features

the most sponge like, lots of pores

Glass Sponge phylum

Porifera

glass sponge class

hexactinellida

glass sponge genus

euplectella

glass sponge diagnostic features

lacks pigment, cylindrical, vase like, translucent, spiky, not soft

calcareous sponge phylum

porifera

calcareous sponge class

calcarea

calcareous sponge genus

grantia

Anemone phylum

cnidaria

anemone class

anthozoa

anemone subclass

hexacorallia

anemone order

actiniaria

anemone diagnostic features

large polyps, usually with stalk, numerous tentacles, lack calcified skeleton

hard coral phylum

cnidaria

hard coral class

anthozoa

hard coral subclass

hexacorallia

hard coral order

scleractinia

hard coral diagnostic features

stony corals, calcareous skeleton, typically colonial, small polyps

Sea fan phylum

cnidaria

Sea fan Class

anthozoa

Sea fan subclass

Octocorallia

Sea fan Order

alcyonacea

Sea fan Genus

gorgonia

Sea fan Diagnostic features

tree like branches, polyps grow in flat like pattern

Moon jellyfish phylum

cnidaria

Moon jellyfish class

scyphozoa

Moon jellyfish order

semaeostomeae

Moon jellyfish genus

aurelia

Moon jellyfish diagnostic features

thick gelatinous mesoglea, 4 distinct gonad semicircles

portugese man o’ war phylum

cnidaria

portugese man o’ war class

hydrozoa

portugese man o’ war order

siphonophora

portugese man o’ war Genus

physalia

portugese man o’ war diagnostic features

large balloon like pneumatophore, long trailing tentacles

hydra phylum

cnidaria

hydra class

hydrozoa

hydra order

hydroida

hydra genus

hydra

hydra diagnostic features

long stalked polyp, freshwater, colonial

wine glass hydroids phylum

cnidaria

wine glass hydroids class

hydrozoa

wine glass hydroids order

hydroida

wine glass hydroids genus

obelia

wine glass hydroids diagnostic features

cup like polyps, attach to substrate fur, colonial, medusae & polyp forms