The Wayback Machine - https://web.archive.org/web/20151028170816/https://dev.twitter.com/cards/types

Card Types

Summary Card: Title, description, thumbnail, and Twitter account attribution.
Summary Card with Large Image: Similar to a Summary Card, but with a prominently featured image.
App Card: A Card to detail a mobile app with direct download.
Player Card: A Card to provide video/audio/media.