Marine Bio Vocab

Porifera

Phylum, Sponges

Cnidaria

Phylum: Sea Anemonies, Sea Jellies, Coral

Polyp

Medusa

Hydrozoa

Class, Hydras

Scyphozoa

Class, Sea jellies

Jellyfish Life Cycle

Planula larva, Polyp, Strobula, Ephyra, Medusa

Staurozoa

Class, Polyps

Cubozoa

Class, Cube Shaped Jellyfish

Anthozoa

Coral, Anemones

Phylum: Platyhelminthes

The flatworms

Phylum: Nemertea

Ribbon worms

Phylum: Nematodes

Roundworms

Phylum: Annelida

Segmented Worms

Class: Turbellaria

free living (not parasites) carnivores, flatworms

Phyla: Mollusca

animals like snails, clams, octopuses, squids, etc

Class: Bivalvia

Hinged between two shells, clams, mussels, oysters, scallops

Class Gastropoda

Body distorted by torsion when there is a shell, Slugs, snails, Nudibranchs, Limpets

Class Cephalopoda

Tentacles and siphon, squids, octopuses, cuttle fish, and the nautilus

Order: Sepiida

Cuttlefish

 Order: Octopoda

Octopus

Order: Teuthida

Squid

  Order: Nautilida

Nautilus

Phyla Arthropoda

(Joined Foot), Crustaceans, and other arthropods

   Class Maxillopoda

(Feed with their Maxillae)

 Infraclass: Cirripedia (Curly Foot)

Barnacles

Class Malacostraca

   Order: Amphipoda (Two Legs), “Water Fleas”

Order: Decapoda

Shrimp, Lobsters, and Crabs

Class: Merostomata

Horseshoe Crabs

Echinodermata (Spiny Skin)

Sea Stars, Sea Urchins, Sea Cucumbers

Class: Asteroidea

Sea Stars

Class: Ophiurodea

Brittle Stars

Class: Echinoidea

Sea Urchins

Class: Holothurodea

Sea Cucumber

Class: Crinoidea

Feather Stars

Subphylum Urochordata

Sea Squirts, Salps

Subphylum Cephalochordata

Lancelets

Class: Agnatha

Jawless fish, including lampreys and hagfish

Class: Chondrichthyes

Cartilaginous fish, including sharks and rays

Osteichthyes

Bony fish, including salmon and trout

Order Batoidea

A group of cartilaginous fish that includes rays and skates, characterized by flattened bodies and wing-like pectoral fins

 Order Chimaera or Chimaeriformes

A group of cartilaginous fish known as ghost sharks, characterized by their elongated bodies, large heads, and unique reproductive methods.

  Demersal

Referring to fish that live and feed on or near the bottom of a body of water. Demersal fish often include species such as flounders and catfish, which rely on the benthic environment for food and habitat.

Class Amphibia

A class of cold-blooded vertebrates that includes frogs, toads, and salamanders, characterized by their dual life stages, typically starting in water and transitioning to land. (NO MARINE AMPHIBIANS)

Class Reptilia

A class of cold-blooded vertebrates that includes snakes, lizards, turtles, and crocodilians, characterized by their scaly skin and typically laying eggs on land.

Class Aves

A class of warm-blooded vertebrates that includes birds, characterized by feathers, beaks, and the ability to lay hard-shelled eggs. Most species are capable of flight.

Class Mammalia

A class of warm-blooded vertebrates that includes mammals, characterized by the presence of hair or fur and mammary glands that produce milk for feeding their young. Most give live birth.

Order Carnivora

Polar Bears and Otters

  Order Pinnipedia (Pinnipeds)

A group of marine mammals that includes seals, sea lions, and walruses, characterized by their fin-like limbs and a predominantly aquatic lifestyle.

Order Sirenia

A group of marine mammals that includes manatees and dugongs, known for their herbivorous diet and aquatic adaptations, such as a streamlined body and paddle-like flippers.

Order Cetacea

A group of marine mammals that includes whales, dolphins, and porpoises, characterized by their fully aquatic lifestyle and adaptations such as blowholes and echolocation.