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I've done a little more research. They're called "beef short loin ribs". Here is an article about a local cook that has pics and details. http://www.entreedallas.com/2011/12/12/fare-perspective-smoked-beef-ribs/ I talked to the guys at Whole Foods (their meat department is great, and employs the most well-adjusted people in the whole store), and they said they could cut them for me if (when) I ask.
Dino ribs (the beef ribs cut with extra meat behind, not between, the bones)- how do you get them? Do you have to ask a butcher to cut them special for you? Would an upscale supermarket like Whole Foods or Central Market do it?