Invertebrate Zoology Flashcards

A comprehensive vocabulary review of invertebrate phyla (Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida) and their respective sub-taxa based on lecture notes.

Phylum Porifera

A phylum of sponges characterized by structural elements called spicules, pore openings called ostia, and oscula.

Spicules

Structural elements found in sponges (Phylum Porifera).

Ostia

Pores located on the body of sponges (Phylum Porifera).

Class Calcarea

A class of sponges in Phylum Porifera characterized by spicules made of calcium carbonate.

Order Leucosolenia

An order of sponges within Class Calcarea characterized by tube-like structures.

Class Demospongiae

A class of sponges that includes bath sponges and Order Spongillida.

Class Hexactinellida

Glass sponges characterized by spicules composed of silica.

Phylum Cnidaria

An invertebrate phylum containing Class Hydrozoa, Class Scyphozoa, and Subphylum Anthozoa.

Class Hydrozoa

A cnidarian class that includes small freshwater Hydra (reproducing by budding) and colonial siphonophores like the Man o' war.

Class Scyphozoa

A class of cnidarians containing jellyfish, characterized by a bell structure, tentacles, and feeding structures.

Subphylum Anthozoa

A cnidarian subphylum comprising corals and anemones.

Subclass Octocorallia

A subclass of Anthozoa characterized by 8x tentacles; includes Sea Pen, Sea Whip, Sea Fan, Sea Pansy, Gorgonians, and Octocorals.

Subclass Hexacorallia

A subclass of Anthozoa characterized by 6x tentacles; includes hard corals and anemones.

Phylum Platyhelminthes

A phylum of acoelomate flatworms divided into Class Turbellaria, Class Trematoda, and Class Cestoda.

Class Turbellaria

A class of Platyhelminthes that includes the genus Planaria.

Class Trematoda

A class of all-parasitic, flat, non-segmented worms, commonly known as flukes.

Genus Fasciola

A genus of trematode fluke known as the Sheep liver fluke.

Genus Clonorchis

A genus of trematode fluke known as the Human liver fluke.

Genus Schistosoma

A genus of trematode fluke known as the Blood fluke.

Class Cestoda

A class of all-parasitic tapeworms that absorb nutrients via absorption through the body wall and have repeating segments called proglottids.

Proglottids

Repeating body segments/units present in members of Class Cestoda.

Genus Dipylidium

A genus of cestode known as the Flea tapeworm.

Genus Taenia

A genus of cestode known as the Beef tapeworm.

Genus Diphyllobothrium

A genus of cestode known as the Fish tapeworm.

Phylum Nematoda

A phylum of unsegmented roundworms containing families such as Ascarididae and Ancylostomatidae.

Family Ascarididae

A family of roundworms belonging to Phylum Nematoda.

Family Ancylostomatidae

A family of hookworms belonging to Phylum Nematoda.

Phylum Annelida

A phylum of segmented worms divided into Class Errantia and Class Sedentaria.

Class Errantia

A class of Annelida characterized by parapodia, a muscular pharynx, and jaws.

Family Nereididae

A family of sand worms belonging to Class Errantia.

Family Glyceridae

A family of blood worms belonging to Class Errantia.

Family Aphroditidae

A family of sea mice belonging to Class Errantia.

Class Sedentaria

A class of Annelida that are sedentary or burrowing and lack parapodia.

Family Terebellidae

A family of feather tube worms belonging to Class Sedentaria.

Family Lumbricidae

A family of earthworms belonging to Class Sedentaria.

Family Hirudinidae

A family of leeches belonging to Class Sedentaria.

Family Arenicolidae

A family of lugworms belonging to Class Sedentaria.