References

  • Treatise on Invertebrate Paleontology (R. L. Kaesler, ed.), Part H.  Brachiopoda.  Geological Society of America and University of Kansas, Boulder, Colorado, and Lawrence,  Kansas, Vol. 1 and 2.
  • Zhang, Z., D. Shu, et al. (2005). "Morpho-anatomical differences of the Early Cambrian Chengjiang and Recent lingulids and their implications." Acta Zoologica 86: 277-288.