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FIGURE 1. 1) Map showing the locality Duinefontein (Koeberg). 2) Stratigraphic section of the Muishond Fontein Peletal Phosphorite Member of the Varswater Formation at Duinefontein (Koeberg) (after Rogers, 1979). 3) polished incomplete tympanic bulla (SAM-PQMBD-1197). scale equals 2 cm. 4) Abraded shark tooth (SAM-PQMBD-618G). scale equals 2 cm. 5) Rolled balaenopterid periotic posterior process. scale equals 2 cm.

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FIGURE 2. Tympanic bulla of ‘Balaenoptera’ borealina (SAM-PQMBD-81). 1) Lateral view. 2) medial view. 3) ventral view. 4). dorsal view. 5) anterior view. 6) posterior view. scale equals 5 cm.

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FIGURE 3. Periotic of Fragilicetus sp. (SAM-PQMBD-49). 1) medial view. 2) lateral view. 3) dorsal view. 4) ventral view. Periotic of Diunatans sp. 1 (SAM-PQMBD-95). 5) medial view. 6) lateral view. 7) dorsal view. 8) ventral view. Periotic of ‘Balaenoptera’ borealina (SAM-PQMBD-526). 9) medial view. 10) lateral view. 11) dorsal view. 12) ventral view. scale equals 5 cm.

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FIGURE 4. Tympanic bulla of Balaenoptera indet. (SAM-PQMBD-80). 1) lateral view. 2) medial view. 3) ventral view. 4) dorsal view. Tympanic bulla of Balaenoptera indet. (SAM-PQMBD-50). 5) lateral view. 6) medial view. 7) ventral view. 8) dorsal view. Tympanic bulla of Balaenoptera indet. (SAM-PQMBD-48). 9) lateral view. 10) medial view. 11) ventral view. 12) dorsal view. scale equals 5 cm.

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FIGURE 5. Periotic of cf Australithax (SAM-PQMBD-363). 1) Ventral view. 2) Dorsal view. 3) Medial view. scale equals 1 cm.

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FIGURE 6. Isolated Odontoceti indet. teeth. 1) SAM-PQMBD-53A. 2) SAM-PQMBD-175. scale equals 0.5 cm. Tympanic bulla of Odontoceti indet. (SAMPQMBD-1200). 3) medial view. 4) ventral view. scale equals 1cm

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FIGURE 7. Rostral end of beaked whale skull cf Izikoziphius (SAM-PQMBD-91). 1) Ventral view. 2) Dorsal view. scale equals 10 cm.

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