1. Used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria
   - Diapsida

Type of: reptile, reptilian

• Alosa sapidissima
• Alouatta
• aloud
• alow
• Aloys Senefelder
• alp
• alpaca
• Alpena
• alpenglow
• alpenhorn
• alpenstock
• alpestrine
• alpha
• alpha and omega
• alpha blocker
• alpha brass
• alpha bronze
• Alpha Centauri
• Alpha Crucis
• alpha decay
• alpha fetoprotein
• alpha foetoprotein
• Alpha Geminorum
• alpha globulin
• alpha iron