2010Hammatocyclinae. -Ebbighausen, Korn & Bockwinkel, p. 158.

Type genus. - Hammatocyclys Schindewolf, 1951
Another included genus Neopericyclus Popv, 1965

Ebbighausen et al. (2010): Significant ontogenetic changes of conch geometry; juveniles thickly discoidal and evolute with broad, slightly flattened venter; adult stage pachyconic, subinvolute to subevolute with increasing height of the aperture; umbilical wall often flattened, umbilical margin narrowly rounded or subangular. Ornament with almost linear rectiradiate growth lines; growth lines sometimes strengthened to fine riblets; shell constrictions extend parallel to the growth lines. Suture line with very narrow, parallel-sided or slightly pouched external lobe with straight or weakly sinuous flanks and low median saddle; ventrolateral saddle narrowly rounded or subangular, adventive lobe lanceolate.