Transformations of the axial complex of ophiuroids as a result of shifting of the madreporite to the oral side

Phylogenomic Resolution of the Class Ophiuroidea Unlocks a Global Microfossil Record

(2014) Timothy D. O’Hara et al.   CURRENT BIOLOGY

The morphology of the axial complex and associated structures in Asterozoa (Asteroidea, Echinoidea, Ophiuroidea)

(2014) O. V. Ezhova et al.   Russian Journal of Marine Biology

Microscopic anatomy of the axial complex and associated structures in the brittle star Ophiura robusta Ayres, 1854 (Echinodermata, Ophiuroidea)

(2014) Olga V. Ezhova et al.   ZOOMORPHOLOGY

Tracing the evolution of the holothurian body plan through stem-group fossils

(2013) Andrew B. Smith et al.   BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY

Echinoderm Phylogeny Including Xyloplax, a Progenetic Asteroid

(2011) Daniel A. Janies et al.   SYSTEMATIC BIOLOGY

Mitochondrial genome evolution in Ophiuroidea, Echinoidea, and Holothuroidea: Insights in phylogenetic relationships of Echinodermata

(2010) Marleen Perseke et al.   MOLECULAR PHYLOGENETICS AND EVOLUTION