Annals of the South African Museum, Volume 52The Museum, 1969 - Natural history |
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Page 195
... whorl , crossed by 4 spiral lirae . 2nd whorl with 25-30 axial ribs , 4 main lirae , very fine intermediate lirae starting between major ones . 30-35 ribs on 3rd whorl , 6–7 lirae . 4th whorl with about 28 axial ribs , becoming broader ...
... whorl , crossed by 4 spiral lirae . 2nd whorl with 25-30 axial ribs , 4 main lirae , very fine intermediate lirae starting between major ones . 30-35 ribs on 3rd whorl , 6–7 lirae . 4th whorl with about 28 axial ribs , becoming broader ...
Page 203
... whorls , located slightly below the midline , accompanied on the penultimate and last whorls by a second carina , developing from the suprasutural lira on the penultimate whorl and forming the shell periphery on the last whorl . Carinae ...
... whorls , located slightly below the midline , accompanied on the penultimate and last whorls by a second carina , developing from the suprasutural lira on the penultimate whorl and forming the shell periphery on the last whorl . Carinae ...
Page 205
... whorl granules on the last whorl are more strongly developed than their neighbours but are never sufficiently prominent to produce a bicari- nate aspect . It is notable that in the present species , where the carinae are subequal , the ...
... whorl granules on the last whorl are more strongly developed than their neighbours but are never sufficiently prominent to produce a bicari- nate aspect . It is notable that in the present species , where the carinae are subequal , the ...
Contents
THE TUNAS OF THE GENUS THUNNUS IN SOUTH AFRICAN | 3 |
Calappa | 8 |
Distribution and migrations | 14 |
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Achaeus adult Agulhas Agulhas Current alalunga albacares animals antennal Antidorcas Arari dolphins assemblage Atlantic Atlantide dolphin axial Barnard bones Cape Town capensis carapace carapace length carpus cartilage caudal chela clasper coast comparative dactyl Decapoda distal dolphin dorsal Durban Durban dolphin ecdysis Elandsfontein Family females Fish fossil Fraser frontalis G PED genus groove haughtoni Hendey Holotype horn cores Indian Ocean intermoult periods lalandii lateral lirae lobes M₁ maccoyii males mandible margin material Melkbos miraletus moulted n.sp obesus ocellifera outer lip ovig pereiopods Pleistocene pleopod posterior present species range recorded Redunca region ribs ridge rock lobsters rogersi rostrum sculpture segment shell skull Slangkop slightly snout South African Museum specimens spermatophoric spines spinules Station BRU Stenella SUID-AFRIKAANSE MUSEUM surface Swartklip Syncerus TABLE teeth temperature Thunnus tooth Transgression complex transverse tubercles tuna valve ventral vertebrae whorl width Zool ZOOLOGICAL NOMENCLATURE