Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum |
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Page 98
The whorl section is typically compressed , trapezoidal , with a broad dorsum ,
broadly rounded umbilical shoulders , flattened ... shoulder . The ribs , which
arise from bullae , are commonly reunited at a conical , lower ventrolateral and
clavate ...
The whorl section is typically compressed , trapezoidal , with a broad dorsum ,
broadly rounded umbilical shoulders , flattened ... shoulder . The ribs , which
arise from bullae , are commonly reunited at a conical , lower ventrolateral and
clavate ...
Page 114
SAM - PCZ8667 . Both x 1 . few branch into two or three at the shoulder . They
are slightly prorsiradiate on the flanks , feebly convex on the inner flank , concave
on the outer flank , and quite markedly projected on the ventrolateral shoulder .
SAM - PCZ8667 . Both x 1 . few branch into two or three at the shoulder . They
are slightly prorsiradiate on the flanks , feebly convex on the inner flank , concave
on the outer flank , and quite markedly projected on the ventrolateral shoulder .
Page 124
sloping ; the umbilical shoulder is abruptly rounded , the flanks flattened and
convergent , shoulders bluntly rounded , and the venter narrow and broadly
rounded . The greatest breadth is close to the umbilical shoulder . Ornament
consists of ...
sloping ; the umbilical shoulder is abruptly rounded , the flanks flattened and
convergent , shoulders bluntly rounded , and the venter narrow and broadly
rounded . The greatest breadth is close to the umbilical shoulder . Ornament
consists of ...
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Common terms and phrases
according Acrioceras Aguirre Urreta Ancyloceratinae appears Aspinoceras association australis sp authors Barremian bear BMNH body chamber Boreal ceras close coiling coiling Collignon 1962 compared compressed consists Crioceratites Cryptocrioceras described Description developed diameter dimorphism discussion distinct early elongated Emericiceras figured finely flanks followed forms genus Hemihoplites holotype illustrations Immel impression included inner whorls Italy Klinger known lateral lobe locality Lower material Menuthiocrioceras Museum Note occur ornament outer whorls Paracrioceras Patagonia possible preserved Realm recently referred regarded ribs Riccardi & Aguirre rounded Sarkar separate shaft shoulder shows similar single Sornayites South southern Spath specimens stage strong strongly subfamilies suggested suture synonym systematic tabarelli Astier taxonomic Tethyan Thieuloy Thomel trituberculate tubercles type species umbilical uncoiled Upper Upper Barremian variable venter ventral ventrolateral whorl section Wiedmann Wright yrigoyeni Leanza zone zulu sp Zululand