Orthoceratoidea

orthoceratoidea

Measurement 7-8cm

Measurement 7-8cm

+5

+3

+1

Fragment of an orthoceratoid - 9-10cm

Orthoceratoid - ~3cm

Orthoceratoid - ~2cm. Cut along its length, internal structure with chambers visible

+3

Fragment of an orthoceratoid - 9-10cm

Orthoceratoid - ~3cm

Orthoceratoid - ~2cm. Cut along its length, internal structure with chambers visible

Fragment of an orthoceratoid - ~2cm

Fragment of an orthoceratoid - 9-10cm

Cross-section of an orthoceratoid - The siphuncle is visible, slightly off-center

Orthoceratoid - ~4cm

Orthoceratoid - ~3cm. Slightly visible chambers due to weathering

Orthoceratoid - ~1cm. Some chambers visible due to breakage

+8

Orthoceratoid - ~4cm

Orthoceratoid - ~3cm. Slightly visible chambers due to weathering

Orthoceratoid - ~1cm. Some chambers visible due to breakage

Orthoceratoids of different sizes

Orthoceratoids of different sizes

Orthoceratoid

Small orthoceratoid - 5 chambers visible due to breakage

Orthoceratoids of different sizes

Orthoceratoid - Some chambers visible due to breakage

Orthoceratoids - Back side

Orthoceratoids - Back side, detail. Possible a protoconch

Orthoceratoid - ~10cm

Orthoceratoid

Orthoceratoid - 2-3cm

+5

Orthoceratoid - ~10cm

Orthoceratoid

Orthoceratoid - 2-3cm

Orthoceratoid

Orthoceratoid - The tip is broken

Orthoceratoid - Cross-section. The siphuncle is faintly visible

Orthoceratoid - Back side

Orthoceratoid - Two walls of the internal chambers are faintly visible

Orthoceratoid fragments of various sizes

Orthoceratoid - 3-4cm. The chamber walls are faintly visible.

Orthoceratoid - 3-4cm. The chamber walls are faintly visible.

+1

Orthoceratoid fragments of various sizes

Orthoceratoid - 3-4cm. The chamber walls are faintly visible.

Orthoceratoid - 3-4cm. The chamber walls are faintly visible.

Orthoceratoid - 3-4cm. Cross-section. The siphuncle and the convex wall of the chamber can be seen

Orthoceratoid fragments of various sizes

Orthoceratoid - ~3cm. The chamber walls can be faintly seen.

Orthoceratoid - ~3cm. The chamber walls can be faintly seen.

+2

Orthoceratoid fragments of various sizes

Orthoceratoid - ~3cm. The chamber walls can be faintly seen.

Orthoceratoid - ~3cm. The chamber walls can be faintly seen.

Orthoceratoid - ~3cm. Cross-section. The siphuncle can be faintly seen.

Orthoceratoid - ~3cm. Cross-section.

Orthoceratoid fragments of various sizes

Orthoceratoid - ~3cm. The chamber walls can be seen, with slightly wavy sutures.

Orthoceratoid - ~3cm. The fracture reveals the wavy sutures between the chambers very clearly.

+2

Orthoceratoid fragments of various sizes

Orthoceratoid - ~3cm. The chamber walls can be seen, with slightly wavy sutures.

Orthoceratoid - ~3cm. The fracture reveals the wavy sutures between the chambers very clearly.

Orthoceratoid - ~3cm. Its tip doesn't seem to have been broken.

Orthoceratoid - ~3cm. Cross-section. The siphuncle can be seen.

Orthoceratoid fragments of various sizes

Orthoceratoid - ~3cm. The chamber walls can be seen, with slightly wavy sutures.

Orthoceratoid - ~3cm. The chamber walls can be seen.

+2

Orthoceratoid fragments of various sizes

Orthoceratoid - ~3cm. The chamber walls can be seen, with slightly wavy sutures.

Orthoceratoid - ~3cm. The chamber walls can be seen.

Orthoceratoid - ~3cm. Cross-section. The siphuncle can be seen.

Orthoceratoid - ~3cm. The chamber walls can be seen.

Orthoceratoid fragments of various sizes

Orthoceratoid - 1-2cm. The chamber walls can be seen.

Orthoceratoid - 1-2cm. The siphuncle can be seen.

+1

Orthoceratoid fragments of various sizes

Orthoceratoid - 1-2cm. The chamber walls can be seen.

Orthoceratoid - 1-2cm. The siphuncle can be seen.

Orthoceratoid - 1-2cm.

Orthoceratoid fragments of various sizes

Orthoceratoid - 2-3cm. The chamber walls can be seen.

Orthoceratoid - 2-3cm. The siphuncle and the chamber walls can be seen.

+1

Orthoceratoid fragments of various sizes

Orthoceratoid - 2-3cm. The chamber walls can be seen.

Orthoceratoid - 2-3cm. The siphuncle and the chamber walls can be seen.

Orthoceratoid - 2-3cm. The chamber walls can be seen.

Orthoceratoid fragments of various sizes

Orthoceratoid - ~1cm. The chamber walls can be seen.

Orthoceratoid - ~1cm. Cross-section. The siphuncle and the convex surface of the chamber can be seen.

+1

Orthoceratoid fragments of various sizes

Orthoceratoid - ~1cm. The chamber walls can be seen.

Orthoceratoid - ~1cm. Cross-section. The siphuncle and the convex surface of the chamber can be seen.

Orthoceratoid - ~1cm. Cross-section. The siphuncle can be seen,

Orthoceratoid fragments of various sizes

Orthoceratoid - 2-3cm.

Orthoceratoid - 2-3cm. Cross-section

+1

Orthoceratoid fragments of various sizes

Orthoceratoid - 2-3cm.

Orthoceratoid - 2-3cm. Cross-section

Orthoceratoid - 2-3cm.

Orthoceratoid fragments of various sizes

Orthoceratoid - ~1cm.

Orthoceratoid - ~1cm. Cross-section

+1

Orthoceratoid fragments of various sizes

Orthoceratoid - ~1cm.

Orthoceratoid - ~1cm. Cross-section

Orthoceratoid - ~1cm.

Orthoceratoid fragments of various sizes

Orthoceratoid - ~1cm. Hard to see

Orthoceratoid - ~1cm. Hard to see

Orthoceratoid fragments of various sizes

Orthoceratoid - ~1cm. Hard to see

Orthoceratoid - ~1cm. Hard to see

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