A paleozoic crinoid, Actinocrinus tricuspidatus from carboniferous limestone in Belgium.

Actinocrinus

A paleozoic crinoid, Actinocrinus tricuspidatus from carboniferous limestone in Belgium.

A paleozoic crinoid, Actinocrinus triacontadactylus found in Carboniferous limestone in Lancashire.

Actinocrinus

A paleozoic crinoid, Actinocrinus triacontadactylus found in Carboniferous limestone in Lancashire.

A paleozoic crinoid, Cupressocrinus.

Cupressocrinus

A paleozoic crinoid, Cupressocrinus.

A paleozoic crinoid, Eucalyptocrinus rosaceus found in Devonian limestone in Eifel.

Eucalyptocrinus

A paleozoic crinoid, Eucalyptocrinus rosaceus found in Devonian limestone in Eifel.

A paleozoic crinoid, Ichtyocrinus laevis found in Silurian limestone in North America.

Ichtyocrinus

A paleozoic crinoid, Ichtyocrinus laevis found in Silurian limestone in North America.

A paleozoic crinoid, Platycrinus trigintidactylus from carboniferous limestone in Ireland.

Platycrinus

A paleozoic crinoid, Platycrinus trigintidactylus from carboniferous limestone in Ireland.

A paleozoic crinoid, Rhodocrinus crenatus.

Rhodocrinus

A paleozoic crinoid, Rhodocrinus crenatus.

A paleozoic crinoid, Taxocrinus briareus found in Devonian limestone.

Taxocrinus

A paleozoic crinoid, Taxocrinus briareus found in Devonian limestone.