Annals of the South African Museum, Volume 83The Museum, 1981 - Natual history |
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Page 26
... margin of terminal segment evenly convex ; all segments with weakly - raised middorsal longitudinal ridge . Eyestalk with curved anterior margin , produced into rounded papilla , posterior margin straight ; cornea oval , as wide as ...
... margin of terminal segment evenly convex ; all segments with weakly - raised middorsal longitudinal ridge . Eyestalk with curved anterior margin , produced into rounded papilla , posterior margin straight ; cornea oval , as wide as ...
Page 66
... margin posteriorly . Orbital spine set back from margin , larger than surrounding spines ; strong antennal spine set slightly back from margin ; pterygostomian spine marginal ; forwardly - directed carapace spines posterior to cervical ...
... margin posteriorly . Orbital spine set back from margin , larger than surrounding spines ; strong antennal spine set slightly back from margin ; pterygostomian spine marginal ; forwardly - directed carapace spines posterior to cervical ...
Page 88
... margin , posterior margin with short setae in minute notches . Pleon segments 4-6 each with a few dorsal setae , uropod 1 extending slightly beyond 2 , rami equal , inner ramus of uropod 2 slightly the shorter , uropod 3 exceeding 2 by ...
... margin , posterior margin with short setae in minute notches . Pleon segments 4-6 each with a few dorsal setae , uropod 1 extending slightly beyond 2 , rami equal , inner ramus of uropod 2 slightly the shorter , uropod 3 exceeding 2 by ...
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Common terms and phrases
abbreviations adoral portion Africa Ammonites Amphipoda Astieria atherstoni Sharpe Barnard Baumberger Besairie bicuspidata bifurcate Bochianites body chamber Böse Broom Cantu Chapa Cape Province Cape Town carapace Cistecephalus Collignon compressed Coxa Crustacea d'Orbigny Decapoda densicostatus dentary diameter Dicynodon Diictodon dimorphism distal Distoloceras dorsal fauna figured final whorl forms genera genus growth stages Hauterivian holotype Imlay inflated inner whorls intercalated ribs Kingoria lateral views lectotype macroconch male margin material Maxilla Maxilliped Olcostephanus Olcostephanus Oudenodon outer whorl parabolae Paramelita paratypes Peponocephala Pereopod peristome posterior primary ribs prominent prorsiradiate secondaries ribs between bundles Riccardi Rogersites rursiradiate primaries secondary ribs segment setae slightly South African Museum Spath species spines Subastieria Sundays River Sundays River Formation synonym Taraises Formation terminate Thieuloy Type specimen Type specimen Skull Uitenhage umbilical bullae umbilical seam umbilical shoulder umbilical tubercles umbilical walls umbilicus Upper Valanginian uropod Valanginian Vema venter Ventral and lateral ventral views whorl section