Anoploceras

Anoploceras is a genus of Middle and Upper Triassic nautiloids included in the Tainoceratidae, known from eastern Europe.

The shell is evolute with only a slight overlap of previous whorls.

Whorl section is subquadrate, like Pleuronautilus, only depressed.

Holconautilus has a more rounded venter, and flanks, and is more evolute.

Encoiloceras has strong ribbing, a large umbilical perforation, and a shallow groove along the venter.