Lecture 1: Intro & Key Terms

• When does one use the term fishes?

  When there are multiple species of fish in a group
• When does one use the term fish?

  When there is a single species comprising a group
• In terms of nomenclature, what does every class of fish end with?

  i
• In terms of nomenclature, what does every order of fish end with?

  iformes
• In terms of nomenclature, what does every superorder of fish end with?

  morpha
• In terms of nomenclature, what does every family of fish end with?

  idae
• In terms of nomenclature, what does every subfamily of fish end with?

  inae
• In terms of nomenclature, what does every tribe of fish end with?

  ini
• What is the term for the group of jawless fishes?

  Agnathans
• What fishes are in the Agnathans group?

  Myxiniformes

  Petromyzontiformes
• What is the term for cartilaginous fishes?

  Chondrichthyes
• What are the subclasses of Chondrichthyes?

  Holocephali

  Elasmobranchii
• What is the term for lobe-finned fishes?

  Sarcopterygii
• What is the superclass of sarcopterygii?

  Tetrapoda
• What is the term for ray-finned fishes?

  Actinopterygii
• What is the term for "new"-finned fishes?

  Neopterygii
• What are the two orders in Neopterygii?

  Amiiformes

  Lepisosteiformes
• What is the subclass of Actinopterygii?

  Cladista
• What is the order of Actinopterygii?

  Acipenseriformes
• What groups of fish lack a weberian apparatus?

  Salmonids

  Chaetodontids

  Ateleopdids

  Chloropthalmids

  Elassomatids

  Non-Ostariophysan
• What is notable about the Neoteleostei?

  They have improved motility of pharyngeal teeth