Taguchi S, Tagawa K, Humphreys T, Nishino A, Satoh N and Harada Y (2000) Characterization of a hemichordate fork head/HNF-3 gene expression. Dev. Genes Evol. 210, 11-7

Röttinger E and Martindale MQ (2011) Ventralization of an indirect developing hemichordate by NiCl(2) suggests a conserved mechanism of dorso-ventral (D/V) patterning in Ambulacraria (Hemichordates & Echinoderms). ** ****,