Authors: Davis, RA Fraaye, RHB Holland, CH

Citation: Ra. Davis et al., Trilobites within nautiloid cephalopods, LETHAIA, 34(1), 2001, pp. 37-45

Authors: Holland, CH

Citation: Ch. Holland, Rare cephalopods from the Pridoli of England and Wales, GEOL J, 35(1), 2000, pp. 25-31

Authors: Holland, CH

Citation: Ch. Holland, Silurian cephalopods from the Pentland Hills, SCOT J GEOL, 36, 2000, pp. 177-186

Authors: Holland, CH

Citation: Ch. Holland, The nautiloid cephalopod order Ascocerida in the British Silurian, PALAEONTOL, 42, 1999, pp. 683-689