Published in Palaeontology, in 1961, in volume 3, issue 4, pages 397-409

Published in Palaeontology, in 1961, in volume 3, issue 4, pages 410-438

Published in Palaeontology, in 1961, in volume 3, issue 4, pages 439-449

Published in Palaeontology, in 1961, in volume 3, issue 4, pages 450-471

Published in Palaeontology, in 1961, in volume 3, issue 4, pages 472-476

Published in Palaeontology, in 1961, in volume 3, issue 4, pages 477-484

Published in Palaeontology, in 1961, in volume 3, issue 4, pages 485-486

Published in Palaeontology, in 1961, in volume 3, issue 4, pages 487-621

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 1-41

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 42-53

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 54-58

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 59-70

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 71-81

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 82-84

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 85-86

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 87-89

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 90-118

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 119-130

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 131-137

Published in Palaeontology, in 1961, in volume 4, issue 1, pages 138-148

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 149-176

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 177-209

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 210-220

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 221-242

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 247-279

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 280-291

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 292-299

Published in Palaeontology, in 1961, in volume 4, issue 2, pages 300-311

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 313-323

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 324-333

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 334-361

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 362-391

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 392-424

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 424

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 425-427

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 428-474

Published in Palaeontology, in 1961, in volume 4, issue 3, pages 475-476