Published in Bulletin of The British Museum (Natural History) Geology, in 1990, in volume 45, issue 2, pages 165-371

Published in Bulletin of The British Museum (Natural History) Geology, in 1990, in volume 46, issue 1, pages 1-18

Published in Bulletin of the British Museum (Natural History) Geology, in 1990, in volume 46, issue 1, pages 19-36

Published in Bulletin of the British Museum (Natural History). Geology., in 1990, in volume 46, issue 1, pages 37-60

Published in Bulletin of The British Museum (Natural History) Geology, in 1990, in volume 46, issue 1, pages 61-152