lab practical 2 invert

segmented worms phylum

Annelida

P: Annelida classes

C: polychaeta

C: Hirudinea

C: Oligochaeta

C: Polychaeta

Nereis sp.

Nereis sp. parts

Prostomium, mouth, peristomium, peristomial cirri, parapodium,

, setae

Nereis sp. parts

notopodium, neuropodium

C: Oligochaeta

Lumbricus terrestris (earthworm)

Lumbricus terrestris (earthworm) Prostomium, peristomium

Lumbricus terrestris (earthworm)

setae, genital pores, sperm groove, clitellum, pygydium, anus

C:Hirudinea

leeches

exoskeleton with a cuticle made of chitin phylum

P: ARTHROPODA

ARTHROPODA sub phylum

SP: Trilobita

SP: Chelicerata

SP: Trilobita

Subphylum Chelicerata, Class:

Class Merostomata

Class Merostomata

Limulus sp

Limulus sp parts

(prosoma, opisthosoma) ——> Carapace

telson

Limulus sp parts

simple eye, compound eye,

Limulus sp parts

chelicerae, mouth, book gill

Limulus sp parts

gnathobases,

Spiders class:

Arachnida

C: Arachnida orders

Order Araneae

Order Scorpiones

Order Solpugida

Order Opiliones

Order Acari

Order Araneae

garden spider, tarantula ,silk spider, black widow, Rosehair tarantula

garden spider

Argiope aurantia

tarantula

Aphonopelma sp.

black widow

Latrodectus mactans

spider parts labeled

spider parts labeled

Scorpions order

Scorpiones

Camel spiders order

Solpugida

daddy-long-legs order

Opiliones

mites and ticks order

Acari

Crab subphylum

Crustacea

Crustacea class and order

Class Malacostrada

Order Decapoda: crabs, crayfish, shrimp, etc.

crayfish

Procambarus sp.

blue crab

Callinectes sp

fiddler crab

Uca sp.

hermit crab

Pagurus sp

mole crab

Hippa sp.

parts of crab

cephalothorax

parts of crab

chela and cheliped

parts of crab

rostrum, eye, antennae

parts of crab

abdomen, telson, maxilla, mandible

parts of crab

uropod

male vs. female crab

parts of crayfish

Mantis shrimp order

Stomatopoda

Stomatopoda

Squilla sp.

Barnicles class

Cirripedia

insect subphylum

Tracheata

insect class

Insecta

C: insecta orders

Orthoptera

Coleoptera]

Diptera’

Lepidoptera

Hymenoptera

crickets, grasshoppers

Order Orthoptera

beetles

Order Coleoptera

flies, mosquitoes, gnats

Order Diptera

(butterflies and moths)

Order Lepidoptera

(bees, ants, wasps)

Order Hymenoptera

centipede phylum

Class Chilopoda

millipedes class

Class Diplopoda

grasshopper labeled

spiny skin phylum

Echinodermata

P: Echinodermata classes

Asteroidea

Ophiuroidea

Echinoidea

Holothuroidea

sea stars

Class Asteroidea

brittle stars, serpent stars

Class Ophiuroidea

urchins, sand dollars

Class Echinoidea

sea cucumbers

Class Holothuroidea

sea stars parts

brittle stars

sand dollars lunules

Sand dollar anus

periproct

sea cucumbers ambulacral rows

five longitudinal ambulacral rows (ambulacra) of tube feet extending along the body from mouth to anus

organisms that possess a structure called a notochord phylum

Chordata

Subphylum Urochordata

Sea squirts, tunicates

P: MOLLUSCA classes

Polyplacophora (chitons)

Scaphopoda Tusk shells

Class Gastropoda (snails)

Class Bivalvia (clams and mussels)

Class Cephalopoda (squid and octopus)