III.—British fossil crinoids.—IV. Thenarocrinus gracilis, sp. nov., Wenlock Limestone, and note on T. callipygus
Published in Annals And Magazine of Natural History, in 1891, in volume 7, pages 35-40
Date published:1891
Published in Annals And Magazine of Natural History, in 1891, in volume 7, pages 35-40
Date published:1891