Taallalt, Issoumour Mountain

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Γεωλογικός χρόνος

Σιλούριον Δεβόνιον

Ηλικία: ~420 εκατομμύρια χρόνια
Περίοδος: Έψιμον Σιλούριον (Πριδόλια)
Σχηματισμός: [αμετάφραστο]
Περιβάλλον εναπόθεσης: [αμετάφραστο]
Τύποι απολιθωμάτων: [αμετάφραστο]
Παλαιοοικολογία: [αμετάφραστο]

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Taallalt, Issoumour Mountain shown on the globe

†Θαλαμώδη

2 δείγματα

Calyx fragment - ~5cm

4

Calyx fragment with stem - 4-5cm

7

Calyx fragment with stem - 4-5cm

Calyx fragment with stem

Calyx fragment with stem - Cross-section and branching of the stem can be seen

Calyx fragment with stem - Cross-section and branching of the stem can be seen

Calyx fragment with stem

Calyx fragment with stem - Cross-section and branching of the stem can be seen

Calyx fragment with stem - Back side

Κρινοειδή

9 δείγματα

Stem fragments - ~2cm

5

Stem and lobolith fragments

5

Stem fragments - ~2cm

7

Stem fragments - ~2cm

Stem fragments

Stem fragments - Cross-section

Stem fragments - Cross-section

Stem fragments

Stem fragments

Stem fragments

Arm segments with pinnules - 2-3cm

7

Arm segments with pinnules - 2-3cm

Arm segments with pinnules - 4 arms stacked on top of each other

Arm segments with pinnules - 4 arms stacked on top of each other

Arm segments with pinnules

Arm segments with pinnules

Stem fragments

Stem fragments

Arm segments with pinnules - ~5cm

7

Arm segments with pinnules - ~5cm

Arm segments with pinnules

Arm segments with pinnules

Arm segments with pinnules

Arm segments with pinnules

Arm segments with pinnules

Arm segments with pinnules - Back side

Arm segments with pinnules - 4-5cm

9

Arm segments with pinnules - 4-5cm

Stem segments

Arm segments with pinnules

Arm segments with pinnules

Arm segments with pinnules

Arm segments with pinnules

Unknown detail

Stem segments

Stem segments, cross-section visible

Stem fragments - ~4cm

6

Stem fragments - ~4cm

Stem fragments

Stem fragments - Cross-section

Stem fragments - Cross-section

Stem fragments

Stem fragments

Various stem fragments - 1-3cm length, 0.6-1.2cm diameter

8

Various stem fragments - 1-3cm length, 0.6-1.2cm diameter

Various stem fragments

Various stem fragments

Various stem fragments

Various stem fragments

Stem fragment of crinoid - Star-shaped axial canal visible in the middle of the cross-section

Stem fragment of crinoid - Star-shaped axial canal visible in the middle of the cross-section. The asymmetry suggests that the fossil has undergone compression.

Stem fragment of crinoid - It appears to have been almost flattened by compression.

Branching arm base - 2-3cm

6

Branching arm base - 2-3cm

Branching arm base - Three branches visible

Branching arm base - Three branches visible

Branching arm base - Cross-section of the base

Branching arm base - Cross-section of the branches

Branching arm base - Three branches visible

Ορθοτζ̌ερρατοειδή

13 δείγματα

Fragment of an orthoceratoid - 9-10cm

6

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

11

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

8

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

3

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

4

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

4

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

4

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

3

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

3

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

3

Orthoceratoid - 2-3cm.

3

Orthoceratoid - ~1cm.

3

Orthoceratoid - ~1cm. Hard to see

2

†Σκυφοκρινίτης ο κομψός

2 δείγματα

Lobolith - ~8cm

6

Lobolith - ~8cm

Lobolith - Broken

Lobolith - Broken. The shape of the inner hollow chamber can be seen.

Lobolith - Crystals formed on the inside.

Lobolith - Crystals formed on the inside.

Lobolith - Crystals formed on the inside.

Stem and lobolith fragments

4

[αμετάφραστο]

1 δείγμα

Unknown - 2-3cm

4