Annals of the South African Museum, Volume 90 |
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Page 294
Discussion The inner whorls of Yabeiceras are so similar to those of Forresteria (
Forresteria ) that close affinity cannot be doubted ; it is a member of the subfamily
Barroisiceratinae ( compare Figs 11A - K , 41A - D ) as Matsumoto et al .
Discussion The inner whorls of Yabeiceras are so similar to those of Forresteria (
Forresteria ) that close affinity cannot be doubted ; it is a member of the subfamily
Barroisiceratinae ( compare Figs 11A - K , 41A - D ) as Matsumoto et al .
Page 295
Yabeiceras manasoaense Collignon , 1965 : 84 , pl . 452 ( fig . 1839 ) .
Matsumoto , 1971 : 144 , pl . 24 ( fig . 2 ) , text - fig . 9 . Klinger et al . , 1976 : 162 ,
figs 1 - 4 . The holotype is from the same horizon as the previous species at
Manasoa ...
Yabeiceras manasoaense Collignon , 1965 : 84 , pl . 452 ( fig . 1839 ) .
Matsumoto , 1971 : 144 , pl . 24 ( fig . 2 ) , text - fig . 9 . Klinger et al . , 1976 : 162 ,
figs 1 - 4 . The holotype is from the same horizon as the previous species at
Manasoa ...
Page 305
Yabeiceras orientale Tokunaga & Shimizu , 1926 . From the upper reaches of the
Ikushumbets , Hokkaido , Japan , Kyūshū University Collections H5624 . x1 .
Discussion As suggested by the name , this new species combines features of
both ...
Yabeiceras orientale Tokunaga & Shimizu , 1926 . From the upper reaches of the
Ikushumbets , Hokkaido , Japan , Kyūshū University Collections H5624 . x1 .
Discussion As suggested by the name , this new species combines features of
both ...
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adult age profiles Agulhas Bank alluaudi apex attritional authors Barnard bearing body chamber breadth Budde-Lund Cape carpus cephalon clavi coiling collected Collignon crown height described Description developed Diagnosis diameter discussed distal Distribution dorsal view Elandsfontein endopodite estimated exopodite Eyes False Bay female Figure flagellum Forresteria Forresteria Forresteria fossil genera genus Hoepen holotype illustrations included indicated individuals inner instar Kensley Langebaanweg larva less male margin material Maxilliped mortality Museum Natal non-ovig occur original ornament outer ovig paratypes pereon Pereopod Pleistocene Pleonites Pleopod population posterior present probably profiles references relatively ribs rounded Saldanha Bay samples Scale segment separates setae short shows side similar single South African species specimens spines strong Table Taiti Telson third type species umbilical Uropodal exopod ventral whorl Yabeiceras young Zululand