Annals of the South African Museum, Volume 101The Museum, 1992 - Natural history |
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Page 75
... Hauterivian and Barremian . The genus is most probably interpreted too widely but , as yet , no satisfactory subdivision has been proposed . Several species groups ( e.g. Uhlig 1883 ; Sarasin & Schöndelmayer 1902 ; Kilian in Roman 1938 ...
... Hauterivian and Barremian . The genus is most probably interpreted too widely but , as yet , no satisfactory subdivision has been proposed . Several species groups ( e.g. Uhlig 1883 ; Sarasin & Schöndelmayer 1902 ; Kilian in Roman 1938 ...
Page 77
... Hauterivian to the Upper Barremian , which could make it a potential ancestral group . In the group of Crioceratites ... HAUTERIVIAN Boreal Lower Middle Upper BARREMIAN L. NEOCOMIAN ১-১-১ 1 2 3 HAUTERIVIAN 4 5 6 CRETACEOUS ...
... Hauterivian to the Upper Barremian , which could make it a potential ancestral group . In the group of Crioceratites ... HAUTERIVIAN Boreal Lower Middle Upper BARREMIAN L. NEOCOMIAN ১-১-১ 1 2 3 HAUTERIVIAN 4 5 6 CRETACEOUS ...
Page 82
... Hauterivian - Lower Barremian of the Neuquén Basin of Patagonia , which also has close coiling , may also belong to Menuthiocrioceras . In view of the variation shown in Malagasy Menuthiocrioceras , it is difficult on morphological ...
... Hauterivian - Lower Barremian of the Neuquén Basin of Patagonia , which also has close coiling , may also belong to Menuthiocrioceras . In view of the variation shown in Malagasy Menuthiocrioceras , it is difficult on morphological ...
Contents
SHONE R | 8 |
Distribution | 39 |
STEWART B A GRIFFITHS C L | 138 |
Copyright | |
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abbreviations Acabaria Acrioceras Aguirre Urreta Algoa Bay ammonites Ammonoidea Annals antenna Anthocodiae Augen australis author's name Axis Barremian Bayer bicuspidata BMNH body wall branches calyces Cape Province Cape Town capensis Coenenchymal sclerites coiling Collignon Colony colour Colotes cortex coxa Crioceratites Cryptocrioceras described dichotomous dredge elongate Emericiceras Eunicella Exp2 Family Flügeldecken G. C. Williams gelb genera genus gilchristi Halsschild Hauterivian Hemihoplites Hickson holotype Immel inner Kopf Kükenthal length Leptogorgia Lovenula male margin material Maxillarpalpen Maxilliped Natal Orphnurgus outer Paracrioceras Paradiaptomus Paramelita paratypes pedicels peduncle Pereopod plates Polyps posteriorly R.V. Meiring Naude references ribs Riccardi rods Sardinia Bay Sarkar scales schwarz sclerites segments setae setose Simpsonella South African Museum southern Africa specimens spicules spindles spines Stiasny SUID-AFRIKAANSE MUSEUM synonym Synonymy tabarelli Théel Thomel Thomson trace fossils Transkei trituberculate tuberculate Type species Uropod ventral ventrolateral Verrill whorls Wright & Studer yrigoyeni Leanza zulu Zululand