British Cretaceous Echinoids

A. Smith, C. W. Wright
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引用次数: 18

Abstract

ABSTRACT Part 6 continues the description of the irregular echinoids from the British Cretaceous, dealing exclusively with the cassiduloid genera. Cassiduloids are restricted to the more inshore, sandy facies in the British Cretaceous and are thus absent above the Cenomanian when chalk facies predominate. Sixteen species, belonging to eleven genera are described. One new species, Ochetus pauli, is described, and the new subfamily Stigmatopyginae is proposed. Three genera, Clypeopygus, Pygopistes and Penesticta, represent new records for the British Cretaceous.
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英国白垩纪棘足类动物
第六部分继续描述来自英国白垩纪的不规则棘球纲,专门处理cassiduloid属。Cassiduloids局限于英国白垩纪较近海的砂质相,因此在白垩相占主导地位的Cenomanian之后就没有了。记录了16种,隶属于11属。本文报道了一新种——泡头蛇(Ochetus pauli),并提出了一个新亚科——头蛇亚科(stigmmatopyginae)。Clypeopygus、Pygopistes和Penesticta三个属代表了英国白垩纪的新记录。
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THE OSTEOLOGY OF THE HOLOTYPE OF THE BRITISH IGUANODONTIAN DINOSAUR MANTELLISAURUS ATHERFIELDENSIS OSTEOLOGY AND RELATIONSHIPS OF CUMNORIA PRESTWICHII (ORNITHISCHIA: ORNITHOPODA) FROM THE LATE JURASSIC OF OXFORDSHIRE, UK BRITISH SILURIAN BEYRICHIACEA (OSTRACODA). PART 2 THE EARLY JURASSIC BIVALVIA FROM THE HETTANGIAN AND LOWER SINEMURIAN OF SOUTH-WEST BRITAIN. PART 4 THE OSTEOLOGY OF DIMORPHODON MACRONYX, A NON-PTERODACTYLOID PTEROSAUR FROM THE LOWER JURASSIC OF DORSET, ENGLAND
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