Annals of the South African Museum, Volume 93The Museum, 1984 - Natual history |
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Page 115
South African Museum. Diagnosis Rib pattern consists of an outer spiral and a short central rib . Description External features . AM broadly rounded , DM and VM nearly straight , PM rounded but somewhat truncated ventrally . A broad ...
South African Museum. Diagnosis Rib pattern consists of an outer spiral and a short central rib . Description External features . AM broadly rounded , DM and VM nearly straight , PM rounded but somewhat truncated ventrally . A broad ...
Page 118
... Description External features . LV and RV differ considerably in shape , but both are ovate . RV has asymmetric AM with long sloping anterodorsal section , PM more broadly rounded , but also asymmetric . Greatest length below mid ...
... Description External features . LV and RV differ considerably in shape , but both are ovate . RV has asymmetric AM with long sloping anterodorsal section , PM more broadly rounded , but also asymmetric . Greatest length below mid ...
Page 157
... exterior . Description External features . Ovate outline , symmetrical , broadly rounded AM with narrow frilled border and low AM rim . Anterior part of valve compressed . PM roundly acuminate , apex at about mid - height . DM straight ...
... exterior . Description External features . Ovate outline , symmetrical , broadly rounded AM with narrow frilled border and low AM rim . Anterior part of valve compressed . PM roundly acuminate , apex at about mid - height . DM straight ...
Contents
Pleurobranchaea Leue 1813 | 8 |
Pleurobranchaea Macfarlandaea subgen nov | 40 |
Koonsia Verrill 1882 | 46 |
Copyright | |
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Common terms and phrases
Age and distribution Agulhas Bank Agulhas Current anal Antennule Aptian Arculicythere Astacilla Atlantic base Basin Bay Cape Town Bergh Cape Town Cenomanian copulatory stylet core 1/cc Cretaceous Crozet Cunha cytheracean Diaphus Dingle distal dorsal view DSDP duct Durban early-middle Albian elongate endopod exopod Falkland Plateau fauna female genus Giesbrecht gland Holotype Indet Indian Ocean inner ramus Isocythereis Isopoda juvs Kensley Lampanyctus lateral line length lobe Majungaella Marcus Maxilla Maxilliped meckelii Meiring Naude cruises Microarcturus mid-Cretaceous middle Albian Myctophidae Nafpaktitis Oertli ostracod outer ramus ovig Paratypes pectoral penial sac penis pereonite Pereopod photophore pleon pleonite Pleopod Pleopod 2 male pleotelson Pleurobranchaea posterior margin posteriorly Remarks ridge rounded samples sealensis setae slightly South African Museum southern species specimens spines spinose stylet surface theloides tubercles Uropod Valanginian valve Vayssière ventral vertical Walvis Bay Walvis Bay Cape Zululand