Annals of the South African Museum, Volume 101 |
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Page 93
There are about 20-25 ribs per whorl . These arise on the umbilical wall and bear faint conical to radially elongate tubercles on the inner edge of the umbilical wall . Very strong , rounded tubercles occur at or slightly below midflank ...
There are about 20-25 ribs per whorl . These arise on the umbilical wall and bear faint conical to radially elongate tubercles on the inner edge of the umbilical wall . Very strong , rounded tubercles occur at or slightly below midflank ...
Page 98
At the smallest diameter visible ( 30 mm ) , ornament consists of distant umbilical bullae giving rise to groups of two to three ribs with three or four single , non - bullate ribs between . All ribs are delicate , narrow , rursiradiate ...
At the smallest diameter visible ( 30 mm ) , ornament consists of distant umbilical bullae giving rise to groups of two to three ribs with three or four single , non - bullate ribs between . All ribs are delicate , narrow , rursiradiate ...
Page 114
Narrow at the umbilicus , the ribs thicken and strengthen across the flanks . On some ribs there is a slight indication of strengthening at the lower ventrolateral position , although no clearly defined tubercle develops .
Narrow at the umbilicus , the ribs thicken and strengthen across the flanks . On some ribs there is a slight indication of strengthening at the lower ventrolateral position , although no clearly defined tubercle develops .
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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 Acrioceras Annals antenna appear arranged authors Axis Barremian Bayer BMNH body branches calyces Cape Cape Town capensis capital coast coenenchyme collected colony colour Crioceratites deposits depth described Description Distribution dorsal Durban examined Exp2 Family female figures followed four furca genera genus Gray Hickson holotype illustrations included indicated inner known Kükenthal lateral length Leptogorgia letters locality London Lovenula male margin material Natal Note occur original ornament outer papillae Paradiaptomus Pereopod placed plates Point Polyps present recorded references Remarks represents ribs rods rounded rows scales scientific sclerites segment separates setae short showing side similar single slightly Smith South African Museum southern Africa specimens spindles spines surface synonym Table terminal Thomson trace tuberculate Type species Upper ventral wall whorls
Bibliographic information
| Title | Annals of the South African Museum, Volume 101 Annals of the South African Museum, South African Museum Volume 101 of Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, South African Museum |
| Author | South African Museum |
| Publisher | The Museum, 1991 |
| Original from | the University of California |
| Digitized | 9 Dec 2009 |
| ISBN | 0868131210, 9780868131214 |
| Export Citation | BiBTeX EndNote RefMan |