WHITTINGTON, H.B. & R.B. RICKARDS

Development of Glossograptus and Skiagraptus, Ordovician graptoloids from Newfoundland.

1969. Journal of Paleontology Vol.43; 800-817, 11 fig. 2 plts. h.t. Orig. extract, plain new wrps. very good.

Lingua Terrae BooksProfessional seller

Book number: 83917

Catalogue: Graptolites