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Fig. 6.5 (a) Recent sinistral triphorid from Australia, Queensland, Lizard Island (from Nützel
1998). (b, c) Eocene sinistral triphorid Ogivia singularis (J13084) from the Paris Basin. (c) Detail
of teleoconch ratchet sculpture of spirals cords, anteriorly rounded, gently sloping and posteriorly
steep, arrow points in anterior direction . (d) Danian sinistral triphorid from Denmark with tubelike anterior and posterior siphonal canals. (e) Recent sinistral triphorid from Australia, Queensland,
Lizard Island, with tube-like anterior and posterior siphonal canals (from Nützel 1998). (f) Danian
cerithiopsid with preseved larval shell (from Nützel 1998). (g, h) Recent barrel-shaped cerithiopsid
with slender, smooth larval shell from Australia, Queensland, Lizard Island. (h) Detail of teleoconch ratchet sculpture of spirals cords, anteriorly rounded, gently sloping and posteriorly steep,
arrow points in anterior direction. Scale bars (a), (b), (d), (e), (g): 1 mm; (c), (h): 0.2 mm,
(f): 0.3 mm
A. Nützel
Fig. 6.5 (a) Recent sinistral triphorid from Australia, Queensland, Lizard Island (from Nützel
1998). (b, c) Eocene sinistral triphorid Ogivia singularis (J13084) from the Paris Basin. (c) Detail
of teleoconch ratchet sculpture of spirals cords, anteriorly rounded, gently sloping and posteriorly
steep, arrow points in anterior direction . (d) Danian sinistral triphorid from Denmark with tubelike anterior and posterior siphonal canals. (e) Recent sinistral triphorid from Australia, Queensland,
Lizard Island, with tube-like anterior and posterior siphonal canals (from Nützel 1998). (f) Danian
cerithiopsid with preseved larval shell (from Nützel 1998). (g, h) Recent barrel-shaped cerithiopsid
with slender, smooth larval shell from Australia, Queensland, Lizard Island. (h) Detail of teleoconch ratchet sculpture of spirals cords, anteriorly rounded, gently sloping and posteriorly steep,
arrow points in anterior direction. Scale bars (a), (b), (d), (e), (g): 1 mm; (c), (h): 0.2 mm,
(f): 0.3 mm
A. Nützel