Annals of the South African Museum, Volume 101The Museum, 1991 - Natural history |
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Page 81
... Menuthiocrioceras . According to Collignon ( 1949 ) , special features of Menuthiocrioceras included the whorl section , which is as wide as high to slightly wider than high , the contiguous whorls with a dorsal zone of impression such ...
... Menuthiocrioceras . According to Collignon ( 1949 ) , special features of Menuthiocrioceras included the whorl section , which is as wide as high to slightly wider than high , the contiguous whorls with a dorsal zone of impression such ...
Page 82
... Menuthiocrioceras is very large by normal crioceratitid standards - with estimated phragmocone diameters of 30-40 cm ( see e.g. M. sornayi in Collignon 1962 , pl . 208 ( fig . 925 ) ) , with orna- ment varying from densely ribbed ( e.g. ...
... Menuthiocrioceras is very large by normal crioceratitid standards - with estimated phragmocone diameters of 30-40 cm ( see e.g. M. sornayi in Collignon 1962 , pl . 208 ( fig . 925 ) ) , with orna- ment varying from densely ribbed ( e.g. ...
Page 83
... Menuthiocrioceras , but in parallel with Emericiceras in the Tethyan Realm and Paracrioceras in the Boreal Realm , from Crioceratites s.s. indeed a remarkable case of convergence . Thus , although Menuthiocrioceras is morphologically ...
... Menuthiocrioceras , but in parallel with Emericiceras in the Tethyan Realm and Paracrioceras in the Boreal Realm , from Crioceratites s.s. indeed a remarkable case of convergence . Thus , although Menuthiocrioceras is morphologically ...
Contents
MARSKA G see DE DECKER A H B et | 1 |
SHONE R | 9 |
STEWART B A GRIFFITHS C L | 139 |
Copyright | |
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Common terms and phrases
abbreviations Acabaria Acrioceras Aguirre Urreta Algoa Bay ammonites Amphipoda Annals antenna australis author's name Axis Barnard Barremian Bayer bicuspidata BMNH body wall branches CALANOIDA Calanus calyces Cape Province Cape Town capensis Coenenchymal sclerites Colony colour Colotes cortex coxa Crioceratites Cryptocrioceras described dichotomous dorsal elongate Emericiceras endopodite Eunicella Exp2 falcifera Family female Flügeldecken G. C. Williams gelb genera genus gilchristi Halsschild Hauterivian Hickson holotype inner Kopf Kükenthal length Leptogorgia Lovenula male margin material Maxillarpalpen Maxilliped Natal Neoarcturus Orphnurgus outer papillae Paracrioceras Paradiaptomus Paramelita paratypes pedicels Pereopod plates pleopod Polyps posterior R.V. Meiring Naude references ribs rods Sardinia Bay Formation scales schwarz sclerites segment separates setae setose Simpsonella somite South African Museum southern Africa specimens spicules spindles spines spiniform process Stiasny SUID-AFRIKAANSE MUSEUM synonym Synonymy Théel Thomel Thomson trace fossils Transkei tuberculate Type species Uropod ventral ventrolateral Verrill whorls yrigoyeni Leanza zulu Zululand