Squid are Cephalopods and are divided up into two primary groups (suborders) the Myopsina and the Oegopsina. There are approximately 300 total species of squid in 29 families. The following is a brief list.
Suborder Myopsina
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Family Australiteuthidae
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Family Loliginidae - Calamari and Grass Squid
Suborder Myopsina
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Family Acnistrocheiridae - Sharpear Enope Squid
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Family Bathyteuthidae
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Family Batoteuthidae - Bush-club Squid
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Family Brachioteuthidae
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Family Chiroteuthidae
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Family Chtenopterygidae - Comb-finned Squid
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Family Cranchiidae - Glass Squid (Colossal Squid)
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Family Cycolteuthidae
- Family Enoploteuthidae
- Family Gonatidae - Armhook Squid
- Family Histioteuthidae - Jewel Squid
- Family Joubiniteuthidae - Joubin's Squid
- Family Lepidoteuthidae - Grimaldi Scaled Squid
- Family Lycoteuthidae
- Family Magnapinnidae - Bigfin Squid
- Family Mastigoteuthidae - Whip-lash Squid
- Family Neoteuthidae
- Family Octopoteuthidae
- Family Ommastrephidae - Flying Squid
- Family Onychoteuthidae - Hooked Squid
- Family Pholidoteuthidae
- Family Promachoteuthidae
- Family Psychroteuthidae - Glacial Squid
- Family Pyroteuthidae - Fire Squid
- Family Thysanoteuthidae - Rhomboid Squid
- Family Walvisteuthidae