LDGSL/613/3/55/10
Watercolour of Placodus Andriani Münst
1837
LDGSL/613/3/56/1
Watercolour of Placodus gigas Agassiz
LDGSL/613/3/57/1
Watercolour of Placodus rostratus Münst
1838
LDGSL/613/3/57/2
Watercolour of Placodus Munsteri Agassiz