, 2014 — Cladistics in Ammonoids: Back to the Future. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen vol. 274, , p. 239-253
, 2014 — Increasing the number of discrete character states for continuous characters generates well-resolved trees that do not reflect phylogeny. Integrative Zoology vol. 9, n° 4, p. 531-541