Octagonal-decagonal duoprism

The 8-10 duoprism is a uniform duoprism that consists of 8 decagonal prisms, 10 octagonal prisms and 80 vertices.

This polychoron can be alternated into a 4-5 duoantiprism, although it cannot be made uniform. The octagons can also be alternated into long rectangles to create a bialternatosnub 5-4 duoprism, which is also nonuniform.