00000nam##2200000za#4500 9.648788 CaOODSP 20210615113317 ta 150407|2004||||xxc||||| f|0| 0 eng|d 0-660-19011-7 CaOODSP eng n-cn--- NR16-70/2003E National Research Council Canada. Silurian (Late Llandovery-Ludlow) Atrypid Brachiopods from Gotland, Sweden, and the Welsh Boderlands, Great Britain / [by] Paul Copper. Ottawa - Ontario : National Research Council 2004. x, 215p. : figs., plates, references ; 28 cm. The morphology, evolution, and paleoecology of the highly successful Silurian atrypide spire-bearers is described in detail, including the documentation of several new species. For the first time, the interior structure of the complete lophophore support, the brachidium (crura, spiralia, and jugal processes), is reconstructed for the genera Atrypina, Oglupes, Plectatrypa, Spirigerina, Septatrypa, and Reticulatrypa, as well as for other well-known and for new species. Contains numerous detailed illustrations and plates. (Résumé en français.) Softcover 04-09 2004-02-27 Fossils gcpds Palaeontology gcpds Copper, Paul NRC No. 46318