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Palaeoxyris

Palaeoxyris sp. from Crock Hey. Westfalian A.
Supposed egg case of a shark. With spirals.

Coll. and photo: Andy Tenny

Vetacapsula

Vetacapsula sp. from Crock Hey. Westfalian A.
Supposed egg capsule of a shark. No spirals.

Coll. and photo: Hans Steur. Height of the photo 3 cm.