[WORK IN PROGRESS]
Most of everyone isn't a scientist, and we usually lump things into categories based on appearance anyway. Here's my attempt to provide a useful guide to people who have no idea what they're looking at, which is me most of the time.
SUN-EATERS
FISHY BOYS
CRUSTY CRITTERS
JELLY BELLIES
SLUGGY THINGS
STAR STUFF
MISC BIGGIES
SHELLY GALS
Class Phaeophyceae - Brown Algae
Order Fucales - Rock Weeds
Order Laminariales - Kelp
Kingdom Plantae - Plants
Division Rhodophyta - Red Algae
Birds - Class Aves
Family Laridae - Gulls
Family Phalacrocoracidae - Cormorants
Fish - Subphylum Vertebrata
Class condrichthyes - cartilagenous fishes
Superorder Batoidea - Skates and Rays
Order Myliobatiformes - Rays
Order Torpediniformes - Electric Rays
Superorder Selachii - Modern Sharks
Order Carchariniformes - Ground Sharks
Order Heterodontiformes - Bullhead Sharks
Order Lamniformes - Mackerel Sharks
Order Squatiniformes - Angel Sharks
Class osteichthyes - bony fishes
Family Agonidae - Poachers
Family Anarhichadidae - Sea Wolfs
Family Atherinopsidae - Topsmelts and Silversides
Family Aulorhynchidae - Tubesnouts
Family Bathymasteridae - Ronquils
Family Batrachoididae - Toadfishes
Family Chaenopsidae - Pike, Tube, Flagblennies
Family Clinidae - Kelpfishes
Family Cottidae - Common Sculpins
Family Embioticidae - Surfperches
Family Gobiesocidae - Clingfishes
Family Gobiidae - Gobies
Family Hexagrammidae - Greenlings
Family Kyphosidae - Sea Chubs
Family Labridae - Wrasses
Family Malacanthidae - Tilefish
Family Muraenidae - Moray Eels
Family Ophidiidae - Cusk-Eels
Family Paralichthyidae - Left-Eye Flounders
Family Pleuronectidae - Right-Eye Flounders
Family Pomacentridae - Damselfishes
Family Sebastidae - Rockfishes
Family Serranidae - Bass and Groupers
Family Stichaeidae - Pricklebacks
Family Stromateidae - Butterfishes
Family Sygnathidae - Pipefishes and Seahorses
Family Synodontidae - Lizardfishes
Invertebrates - 97% of Animalia
Phylum Annelida - Ring Worms
Class Echiura - Spoon Worms
Class Echiura - Spoon Worms
Class Polychaeta - Bristle Worms
Order Aciculata - Bristle-Foot Worms
Order Eunicida - Eunicid Worms
Order Sabellida - Fan Worms
Order Scolecida - Tube 'O Mucus Worms
Order Terebellida - Spaghetti Worms
Phylum Arthropoda - Barnacles, Crabs, Shrimps
Order Decapoda - Shrimp and Crabs
Order Decapoda - Shrimp and Crabs
Infraorder Anomura - Hermit Crabs and Kin
Infraorder Brachyura - True Crabs
Infraorder Caridea - Caridean Shrimps
Order Thoracica - Barnacles
Phylum Bryozoa - Moss Animals
Phylum Cnidaria - Jellies, Anemones, Hydroids
Class Anthozoa - Anemones and Kin
Order Actinaria - Anemo
Order Actinaria - Anemo
Order Actinaria - Anemones
Order Alcyonacea - Soft Corals
Order Ceriantharia - Tube Anemones
Order Corallimorpharia - Coral Anemones
Order Pennatulacea - Sea Pens
Order Scleractinia - Stone Corals
Class Hydrozoa - Hydra
Order Anthoathecata - Anthomedusae
Order Leptomedusae
Order Narcomedusae
Order Siphonophorae
Class Scyphozoa - "True" Jellies
Class Staurozoa - Stalked Jellies
Phylum Ctenophora - Comb Jellies
Phylum Echinodermata - Stars, Cucumbers, Urchins
Class Asteroidea - Seastars
Class Asteroidea - Seastars
Class Holothuroidea - Sea Cucumbers
Class Echinoidea - Sea Urchins and Sanddollars
Class Ophiuroidea - Basket and Brittle Stars
Phylum Mollusca - Gastropods, Bivalves, Cephalopods
Class Bivalvia - Clams, Mussels, Cockles, Scallops, etc.
Class Cephalopoda - Squids, Octopuses, Cuttlefishes
Order Teuthida - Squids
Order Octopoda - Octopuses
Class Gastropoda - Snails, Slugs, Limpets and Nudibranchs
"Prosobranchia" - Shelled Gastropods
Subclass Opisthobranchia - Sea Slugs and Nudibranchs
Class Polyplacophora - Chitons
Phylum Porifera - Sponges
Phylum Urochordata - Salps and Tunicates
Class Ascidiacea - Benthic Tunicates
Class Ascidiacea - Benthic Tunicates
Class Thaliacea - Salps and Kin
Mammals - Class Mammalia
Grouping Pinnipedia - Seals, Sea Lions, Walruses
Family Phocidae - True Seals
Family Phocidae - True Seals
Family Otariidae - Sea Lions and Fur Seals