-
Tick
- Ph. Arthropoda
- subPh. Chelicerata
- Cl. Acarina
-
Mites
- Ph. Arthropoda
- subPh. Chelicerata
- Cl. Acarina
-
- Grasshopper Mouth Part
- (Maxila and Maxila palp)
- Ph. Arthropoda
- subPh. Hexapoda
- Cl. Insecta
-
- Grasshopper Mouth Part
- (Mandible)
- Ph. Arthropoda
- subPh. Hexapoda
- Cl. Insecta
-
- Grasshopper Mouth Part
- (Labium)
- Ph. Arthropoda
- subPh. Hexapoda
- Cl. Insecta
-
- Grasshopper Mouth Part
- (Hypopharynx)
- Ph. Arthropoda
- subPh. Hexapoda
- Cl. Insecta
-
- Ecteinascidia
- (sea squirts)
- Ph.Chordata
- Cl. Ascidiacea
-
starfish
- Ph. Echinodermata
- Cl. Asteroidea
-
starfish
- Ph. Echinodermata
- Cl. Asteroidea
-
starfish
- Ph. Echinodermata
- Cl. Asteroidea
-
starfish
- Ph. Echinodermata
- Cl. Asteroidea
-
starfish
- Ph. Echinodermata
- Cl. Asteroidea
-
Starfish ray(arm)
- Ph. Echinodermata
- Cl. Asteroidea
-
Starfish Pedicellariae
- Ph. Echinodermata
- Cl. Asteroidea
-
Ph. Arthropoda
- -open circulatory system
- -head, thorex, abdomen
- subph. Chelicerata
- Cl. Pycnogonida
Orders: Scorpionida, Opoliones, Acarina
-
SubPh. Chelicerata
(spiders)
- -Chelicera
- -Pedipalps
- -Prosoma(head+thorex)
- -Opisthosoma(abdomen)
-
Cl. Pycnogonida
(sea spiders)
-
Order Scorpionida
Order Opiliones
Order Acarina
Scorpions
Harvestmen
Ticks/Mites
-
Ph. Tardigrada
(water bears)
-
Ph. Arthropoda
Mandibulate
subph. Crustacea
subph. Hexapoda
subph. Myriapoda
(ecdysozoans)
-
Crabs,Shrimps,Lobsters
- Ph. Arthropoda
- Mandibulates
- subph. Crustacea
- Cl. Malacostraca
- Order. Decapoda
-
Fairy shrimp
- Ph. Arthropoda
- Mandibulates
- subph. Crustacea
- Cl. Branchiopoda
-
Ostracod, Mystacocarid, Copepod
(Barnacles-long penis)
- Ph. Arthropoda
- Mandibulates
- subph. Crustacea
- Cl. Maxilopoda
-
Cl. Insecta
- -Subph. Hexapoda
- -3body tagmata
- -3pairs of walking legs
- -powered flight
- -wings
-
Millipedes
- Ph. Arthropoda
- Mandibulates
- subph. Myriapoda
- Cl. Diplopoda
-
Centipedes
- Ph. Arthropoda
- Mandibulates
- subph. Myriapoda
- Cl. Chilopoda
-
Cl. Pauropoda and Symphyla
- Ph. Arthropoda
- Mandibulates
- subph. Myriapoda
-
Acorn Worms
Worm-like animals
Arrow worms
Ph. Hemichordata
Ph. Xeniturbellida
ph. Chaetognatha
-
Echinodermata
- Cl. Echinoidea
- (urchins and sand dollars)
- -Aboral pores
- Cl. Asteroidea
- (sea stars)
- Cl. Ophiuroidea
- (the brittle stars)
- Cl. Holothuoidea
- (the sea cucumbers)
- Cl. Crinoidea
- (sea lilies)
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