Annals of the South African Museum, Volume 101The Museum, 1992 - Natural history |
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Page 75
... Paracrioceras in the Boreal , and Emericiceras in the Tethyan Realm . To this apparent synchronous development of geographically separate but mor- phologically related forms , Cryptocrioceras from the South Gondwanid Region ( southern ...
... Paracrioceras in the Boreal , and Emericiceras in the Tethyan Realm . To this apparent synchronous development of geographically separate but mor- phologically related forms , Cryptocrioceras from the South Gondwanid Region ( southern ...
Page 131
... Paracrioceras ' in the Boreal Realm . A full discussion on dimorphism in the subfamilies Crioceratitinae and Ancyloceratinae should be based on precisely located material from the classic European localities in the Boreal and Tethyan ...
... Paracrioceras ' in the Boreal Realm . A full discussion on dimorphism in the subfamilies Crioceratitinae and Ancyloceratinae should be based on precisely located material from the classic European localities in the Boreal and Tethyan ...
Page 132
... Paracrioceras - Emericiceras - Cryptocrioceras ' lineage of Crioceratites as a dimor- phic pair would certainly make sense . To prove it is difficult on the basis of the present material ; we need more stratigraphically substantiated ...
... Paracrioceras - Emericiceras - Cryptocrioceras ' lineage of Crioceratites as a dimor- phic pair would certainly make sense . To prove it is difficult on the basis of the present material ; we need more stratigraphically substantiated ...
Contents
SHONE R | 8 |
Distribution | 39 |
STEWART B A GRIFFITHS C L | 138 |
Copyright | |
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Common terms and phrases
abbreviations Acabaria Acrioceras Aguirre Urreta Algoa Bay ammonites Ammonoidea ANGELES Annals antenna Anthocodiae Augen australis author's name Axis Barremian Bayer bicuspidata BMNH body wall branches CALIFORN 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 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