I want to know the classes of each phylum categorized as non-chordatesmeaning;Phylum PlatyhelminthesisPhylum NematodaPhylum AnnelidaI can do the phylum arthropoda..Than you! :D

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Phylum: Platy helminthes
It has been divided into 5 classes: (biology-today.com)
1. Digenia
2. Cestoda
3. Monogenea
4. Turbellaria
5. Aspidogastrea
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Phylum: Arthropoda
It’s Subphylum and Classes have been given as follows: (angelfire.com)
Subphylum: Chelicerata
1. Class Arachnida
2. Class Merostomata
3. Class Pycnogonida
Subphylum: Crustacea
1. Class Remipedia
2. Class Cephalocarida
3. Class Branchiopoda
4. Class Maxillopoda
5. Class Malacostraca
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Subphylum: Uniramia
1. Class Insecta
2. Class Chilopoda
3. Class Diplopoda
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Phylum: Annelida
In Annelida, four classes...