Yes, they look like yumas, but a better picture will be more helpful.
Ricordea Yuma also grows larger than Ricordea florida, and sometime comes in some spectacular colors, that one can not find in Ricordea florida. However, yumas can be a bit touchy. They prefer low intensity lighting, and very stable water parameters, so a beginner may find it a bit challenging. Quite the opposite, Ricordea florida does well under more a bit more intense illumination, and can actually live and thrive under not so perfect water parameters. As a result, it’s more popular. Also, less expensive.