Monograph on the British fossil Echinodermata from the Cretaceous formations.
By Thomas Wright...
- London, Printed for the Palaeontographical society, 1864-1908.
- 2 v. illus., plates. 28 cm.
Each plate preceded by leaf with descriptive letterpress. Added t-p.: The Palaeontographical society. "Appendix containing a list of the works referred to in the text": v. 1, p. xiii-xviii.
I. The Echinoidea. By T. Wright 1864-82.--II. The Asteroidea and Ophiuroidea. By W. P. Sladen and W. K. Spencer. 1891-1908.