A monograph on the British carboniferous Crinoidea. Vol. II. Part I
Wright, J. (1955). A monograph on the British carboniferous Crinoidea. Vol. II. Part I. The Palaeontographical Society: London. 191-254, plates XLVIII-LXIII pp.
Continued by:Wright, J. (1955). A monograph on the British carboniferous Crinoidea. Vol. II. Part II. The Palaeontographical Society: London. 255-272, plates LXIV-LXVII pp., more
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