Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Fig. 23. Ancyloceras (Adouliceras) gr. ex mozambiquense-cooperi. SAS 54/45/3 from locality170, Zululand, Aptian I-II. Form 3. x 0,79. CRETACEOUS FAUNAS FROM SOUTH AFRICA 253. Fig. 24. Ancyloceras (Adouliceras) gr. ex mozambiquense-coopeh. SAM-PCM5328 fromLubemba, Mozambique, Lower Aptian. Form 6. x 0,8. Discussion This is a relatively rare genus, characterized by the long, plainly ribbed shaftending in a crozier with trituberculate ribs. The presence of an initial planispirallycoiled part has yet to be demonstrated. A
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . Fig. 23. Ancyloceras (Adouliceras) gr. ex mozambiquense-cooperi. SAS 54/45/3 from locality170, Zululand, Aptian I-II. Form 3. x 0,79. CRETACEOUS FAUNAS FROM SOUTH AFRICA 253. Fig. 24. Ancyloceras (Adouliceras) gr. ex mozambiquense-coopeh. SAM-PCM5328 fromLubemba, Mozambique, Lower Aptian. Form 6. x 0,8. Discussion This is a relatively rare genus, characterized by the long, plainly ribbed shaftending in a crozier with trituberculate ribs. The presence of an initial planispirallycoiled part has yet to be demonstrated. Apart from the type species, the genus is represented by L. fustis Casey(1961: 75, pi. 21 (fig. 4a-d)) from the Lower Aptian of southern England,L. tirolensis Casey (1961: 74, text-fig. 29) from the Upper Barremian of Puez Alp,Tyrol, L. mirabilis Anderson (1938: 220, pi. 78 (figs 1, 2a, 3)), L. naupliusAnderson (1938: 221, pi. 66 (fig. 2-2a)), L. neleus Anderson (1938: 221, pi. 59(fig. 2-2a)), andL. cyclopius Anderson (1938:221, pi. 58 (fig. 3), pi. 66 (fig. 3-3a)),all from the Horsetown Beds of California, and probably of Barremian toAptian age. L. australe Day (1967: 19, pi. 2 (figs 1-5), text-fig. 2) is from theAptian of the Eromanga Basin o
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory
