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Benson 1966


Plate 35

Figures:
1-2 Lithostrobus cf. hexagonalis Haeckel; 1, left lateral view, focus on lower joints, VS-R-60a, 3-5cm, P7/0, 300x; 2, left lateral view, focus on cephalis, VS-R-60a, 3-5cm, G4/0, 300x.

3-4 Cyrtopera laguncula Haeckel; 3, right lateral view, apical spine curved ventrally, dark shadows are diatoms, VS-R-115a, 1-3cm, X51/1, 300x; 4, ventro-left lateral view, VS-R-93b, 1-3cm, E47/2, 300x.

5-8 Siphocampium cf. polyzona Haeckel; 5, right lateral view of incomplete specimen, focus on cephalis and ventral tube, VS-R-34a, 3-5cm, R28/4, 300x; 6, right lateral view, focus on cephalis, VS-R-27b, 1-3cm, D44/0, 300x; 7, dorsal view, VS-R-93b, 1-3cm, G19/2, 300x; 8, constricted mouth with peristome and terminal tooth-like spines, VS-R-95Ba, 1-3cm, V46/2, 300x.

9 Siphocampium sp.; left lateral view, VS-R-60b, 3-5cm, Y36/0, 300x.

10-11 Siphocampium cf. cylindrica Haeckel; 10, right lateral view, VS-R-34a, 3-5cm, J40/2, 300x; 11, left lateral view, VS-R-60b, 3-5cm, H33/3, 300x.

12-13 Siphocampium cf. seriatus Haeckel; 12, left lateral view, focus on cephalis and ventral tube, VS-R-27b, 1-3cm, W38/0, 300x; 13, left lateral view, fully developed specimen, VS-R-64a, 1-3cm, V25/1, 300x.

14-17 Siphocampium cf. cornutella Haeckel; 14, right latero-dorsal view, VS-R-71a, 1-3cm, F6/2, 300x; 15, left lateral view, VS-R-192b, 1-3cm, C31/1, 300x; 16, VS-R-71a, 1-3cm, D16/2, 300x; 17, dorso-right lateral view, joints straight-sided, VS-R-60a,
3-5cm, L43/4, 300x.

18-20 Siphocampium erucosum (Haeckel); 18, focus on lower joints, VS-R27b, 1-3cm, D37/4, 300x; 19, right lateral view, ventral tube vertical, VS-R-95Ba, 1-3cm, S20/0, 300x; 20, left lateral view, VS-R-95Ba, 1-3cm, H20/4, 300x.