Schweizerbart期刊
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作者:Michael R. Cooper
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2015, Vol.277 (1), pp.11-42Schweizerbart
摘要:Current interpretation of the predominantly Cretaceous trigoniid bivalve subfamily Pterotrigoniinae is reviewed. 238 species are analyzed and three lineages identified which evolved in parallel throughout the Late Tithonian–Maastrichtian and provide the basis for subfamilial...
作者:Michael R. Cooper
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2015, Vol.277 (1), pp.49-62Schweizerbart
摘要:The genus Iotrigonia van Hoepen (1929) is based on a poorly-known species which has not been re-described since its inception. Treatise interpretation of the genus (Cox 1969) rested largely on an older referred species, I. haughtoni (Rennie), which differs significantlyfrom the t...
作者:Michael R. Cooper
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2015, Vol.278 (2), pp.159-173Schweizerbart
摘要:The subfamily Rutitrigoniinae and the genus Rutitrigonia were introduced for a distinctive group of Early Cretaceous (Albian) trigoniids (van Hoepen 1929). Since then the group has been elevated to family rank and 46 species recognized ranging in age from Late Kimmeridgian to Lat...
作者:Michael R. Cooper
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2016, Vol.280 (1), pp.7-21Schweizerbart
摘要:The subfamily Austotrigoniinae is a Gondwanic endemic of controversial standing. It was introduced (Skwarko 1968) to comprise only Early Cretaceous Austrotrigonia and Late Triassic Prorotrigonia, but its status and position has been discussed and disputed by many subsequentworker...
作者:Michael R. Cooper
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2016, Vol.280 (1), pp.1-5Schweizerbart
摘要:Two new species of the pterotrigoniid bivalve Arabitrigonia (Nakano, 1973) are described, one from the Late Albian of South Africa and the other from the Cenomanian of Lebanon. Together they greatly extend the geographical and stratigraphical range of the genus. Trigonia syriacaC...
作者:Michael R. Cooper , Héctor A. Leanza
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2017, Vol.285 (3), pp.313-335Schweizerbart
摘要:The trigoniid group "Pseudo-Quadratae" was introduced for Cretaceous descendents of Myophorellidae with a convergent resemblance to Tethyan Quadratotrigoniinae (= Quadratae). Subsequently it was made the basis of the subfamily Steinmanellinae, which herein is elevated to family r...
作者:Michael R. Cooper , Héctor A. Leanza
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2019, Vol.291 (1), pp.19-40Schweizerbart
摘要:Megatrigoniine bivalves are the rootstock of a major trigoniid radiation in the Late Jurassic and Early Cretaceous. They appeared first in the Middle Bajocian of the Andean Province and are predominantly Gondwanic in distribution. Their centre of radiation and dispersal was the A...
作者:Michael R. Cooper
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2019, Vol.294 (3), pp.307-310Schweizerbart
摘要:The kossmaticeratid ammonite Kaiparaites was on its inceptionsynonymized by its author (Matsumoto 1955)with Natalites (Collignon1954). However, close comparison of the type species of these two genera showsthem to be morphologically and stratigraphically distinct. Whereas Sa...
作者:Michael R. Cooper , Hugh G. Owen
来源:[J].Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen(IF 0.923), 2011, Vol.260 (3), pp.331-342Schweizerbart
摘要:Phylogenetic analysis of the subfamily Anahoplitinae ( sensu Wright 1996) suggests a very different content and classification to that proposed by the Treatise. Since Anahoplitinae are the ultimate source of Placenticeratidae, here Anahoplitinae and descendent Semenoviceratinae a...

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