附註:"NRC No. 46318"--Title page verso
"Issued by the National Research Council Canada"--Title page verso
Includes bibliographical references (pages 139-156).
Introduction -- Techniques -- Historical background -- Stratigraphic outline. Stratigraphic distribution of atrypids in Gotland and Britain. Lower Visby Formation (Ygne Member--late Llandovery) -- Upper Visby Formation (Rövar Lilja Member--Wenlock) -- Högklint Formation -- Kopparsvik Formation (Tofta Kalksten) -- Slite and Fröjel formations -- Halla Formation -- Mulde Formation -- Klinteberg Formation -- Hemse Formation (Ludlow) -- Eke Formation -- Burgsvik Formation -- Hamra/Sundre formations -- Form and function in Atrypida : externa. Ribs -- Sizes of shells -- Convexity -- Pedicle structures -- Internal structure -- Paleoecology and habitats -- Radiation and extinction signatures -- Comparative faunal provinces -- Systematic paleontology -- Order Atrypida Rzhonsnitskaya, 1960 [= Calcispirae Quenstedt, 1852, partim; = Procampyli Quenstedt, 1882]. Suborder Anazygidina Copper, 1996c. Family Anazygidae Davidson, 1882, in Davidson, 1883. Subfamily Anazyginae Davidson, 1882, in Davidson, 1883. Genus Zygatrypa Copper, 1977a -- Zygatrypa exigua (Lindström, 1861).
Suborder Atrypidina Moore, 1952. Family Atrypidae Gill, 1871 -- Superfamily Atrypoidea Schuchert and Levene, 1929. Subfamily Atrypinae Waagen, 1883. Atrypa Dalman, 1828. Atrypa (Atrypa) Dalman, 1828 -- Atrypa (Atrypa) reticularis Linnaeus, 1758 -- Atrypa (Atrypa) sowerbyi Alexander, 1949 -- Atrypa (Atrypa) gotha n. sp. -- Atrypa (Atrypa) slitea n. sp. -- Atrypa (Atrypa) plana J. de C. Sowerby, 1839 -- Atrypa (Atrypa) harknessi Alexander, 1949 -- Atrypa (Atrypa) affinis (James Sowerby, 1822) -- Atrypa (Atrypa) lapworthi Alexander, 1949 -- Atrypa (Atrypa) murchisoni Alexander, 1949 -- Atrypa (Atrypa) alata Hisinger, 1831a -- Atrypa (Atrypa) woodwardi Alexander, 1949 -- Gotatrypa Struve, 1966. Gotatrypa hedei Struve, 1966 --?Gotatrypa orbicularis J. de C. Sowerby, 1839 -- Oglupes Havlíček, 1987 [= Kantinatrypa Havlíček, 1995]. Oglupes visbyensis n. sp. -- Oglupes davidsoni Alexander, 1949 -- Oglupes muldea n. sp. -- Endrea Copper, 1996b. Endrea echoica Copper, 1996b -- Endrea tubulosa (Bassett and Cocks, 1974) -- Endrea lonsdalei (Alexander, 1949) -- Endrea ekenia n. sp. -- Subfamily Atrypinellinae Copper, 2002b. Reticulatrypa Savage, 1970. Reticulatrypa hamrae n. sp. -- Family Atrypinidae McEwan, 1939. Subfamily Atrypininae McEwan, 1939 [= Gracianellinae Johnson, 1973]. Atrypina (Atrypina) Hall, in Hall and Clarke, 1893. Atrypina (Atrypina) buildwasensis n. sp. -- Atrypina (Atrypina) barrandii (Davidson, 1848) -- Atrypina cf. gallina (Haupt, 1878) -- Subfamily Plectatrypinae Copper, 1996b.
摘要:The morphology, evolution, and paleoecology of the highly successful Silurian atrypide spire-bearers is described in detail, including the documentation of several new species. Numerous detailed illustrations and plates accompany the text.
