Photos of Urchin Spines

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Living Sea Urchins
Phylum: Echinodermata
Echinoid Debris
Location: Near Sonoita Az.
Age: Permian
Formation:Colina Limestone
High Resolution Image
Phylum: Echinodermata
Echinoid Debris
Location: Near Sonoita Az.
Age: Permian
Formation:Colina Limestone
High Resolution Image
Phylum: Echinodermata
Echinoid Spine
Location: Near Sonoita Az.
Age: Permian
Formation:Colina Limestone
High Resolution Image
Phylum: Echinodermata
Echinoid Spine
Location: Near Sonoita Az.
Age: Permian
Formation:Colina Limestone
High Resolution Image
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spine
Location: Near Vail AZ.
Age: Permian
Formation: Concha Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spine
Location: Near Vail AZ.
Age: Permian
Formation: Concha Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin SpineLocation: Near Vail AZ.
Age: Permian
Formation: Concha Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin SpineLocation: Near Vail AZ.
Age: Permian
Formation: Concha Limestone
Phylum: Echinodermata
Sea Urchin Spine
Location: Near Sonoita Az.
Age: Permian
Formation: Concha Limestone
Phylum: Echinodermata
Sea Urchin Spines
Location: Near Sonoita Az.
Age: Pennsylvanian/Permian
Formation: Horquilla Limestone
Phylum: Echinodermata
Sea Urchin Plate and Spines
Location: Near Sonoita Az.
Age: Pennsylvanian/Permian
Formation: Horquilla Limestone
Phylum: Echinodermata
Echinoid Spine
Outer Covering Preserved
Magnified View
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Echinoid Spine
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Echinoid Spine
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Echinoid Spine through Plate
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Echinoid Spine
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spines

Location: Near Sonoita Az.
Age: Permian
Formation: Colina limestone
In places, this formation appears to made of Sea Urchin Spines
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spines
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spine
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Large Urchin Spine
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spine with numerous tubercles
Location: Near Sonoita Az.
Age: Pennsylvanian/Permian?
Formation: Unknown
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spines
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spines
Location: Near Sonoita Az.
Age: Permian
Formation: Colina Limestone
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Echinoid Plate
Location: Tucson Mountains
Age: Mid to late Permian
Formation: Rain Valley
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spines
Location: Tucson Mountains
Age: Mid to late Permian
Formation: Rain Valley
Phylum: Echinodermata
Subphylum: Echinozoa
Class: Echinoidea
Sea Urchin Spines
Location: Tucson Mountains
Age: Mid to late Permian
Formation: Rain Valley
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