Crinoidea

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Άγνωστον · 359–66 εκατομμύρια χρόνια [αμετάφραστο] 🏴󠁧󠁢󠁥󠁮󠁧󠁿

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🦴 1

Crinoid stem - measurement ~2cm

Crinoid stem

Crinoid stem - side view

+3

Σιλούριον · 438.5–430.5 εκατομμύρια χρόνια [αμετάφραστο] 🏴󠁧󠁢󠁳󠁣󠁴󠁿

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🦴 1

Crinoid stem - Measurement ~2cm

Crinoid stem - flip side

Crinoid stem - side view

+2

Άγνωστον · 359–66 εκατομμύρια χρόνια [αμετάφραστο] 🏴󠁧󠁢󠁥󠁮󠁧󠁿

[αμετάφραστο]

🦴 1

Crinoid stem, Jurassic - measurement ~2cm

Crinoid stem

Crinoid stem - detail

+2

Πρώμον Ιουρασικόν · 201–190 εκατομμύρια χρόνια [αμετάφραστο] 🏴󠁧󠁢󠁥󠁮󠁧󠁿

[αμετάφραστο]

🦴 1

Crinoid stem - Measurement ~2.5 cm

Crinoid stem

Crinoid stem

+3

Έψιμον Σιλούριον · ~420 εκατομμύρια χρόνια [αμετάφραστο] 🇲🇦

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🦴 9

Stem fragments - ~2cm

Stem fragments

Stem fragments

+2

Stem and lobolith fragments

Stem and lobolith fragments

Stem and lobolith fragments

+2

Stem fragments - ~2cm

Stem fragments

Stem fragments - Cross-section

+4

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

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

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

+4

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

Arm segments with pinnules

Arm segments with pinnules

+4

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

Stem segments

Arm segments with pinnules

+6

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

Stem fragments

Stem fragments - Cross-section

+3

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

Various stem fragments

Various stem fragments

+5

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

Branching arm base - Three branches visible

Branching arm base - Three branches visible

+3

crinoidea

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Υποκατηγορίες

†[αμετάφραστο]

Υφομοταξία 🦴 4