GEOLOGICAL SURVEY, CANADA PAPER 47-24

NATHORSTITES FAUNA

‘DARK SILTSTONES’

Figure 1. Daonella nitanae McLeam. Holotype, 8773.
Figure 2. Daonella elegans Mclearn. Holotype, 9537.
Figures 3, 4. Paratrachyceras tetsa n. sp. Paratype, 9546.
Figure 5. Sagenites gethingi McLearn. Plesiotype, 9530.
Figures 6, 7. Asklepioceras delicatum n. sp. Holotype, 9550.

PLATE IV