USS Thantos

The USS Thantos was a Federation starship in Starfleet service during the 23rd century.

At some point in its service history, the Thantos undertook an asteroid mapping mission. (Ships of the Line 2013)

Background
The Thantos was designed by artist Dan Uyeno. He intended the class (the name of which is unmentioned) to be Starfleet's response to the Romulan attacks of the. More about the design and explanation can be found on his blog.