Diagnosis. Simple conch ontogeny. Early ontogeny up to 2-3 mm in diameter pachyconic or globular with almost constant ww/dm ratio. Later in ontogeny cocnh becomes progressively slender. Early juvenile stage subinvolute; rapid narrowing of the umbilicus. Parallel sided or diverging external lobe. with sinousus flanks and with asymmetrical, rounded ventrolateral saddle.

Included genera:
Habadraites Korn, Bockwinkel & Ebbighausen, 2010
Primogoniatites Korn, Bockwinkel & Ebbighausen, 2010