Sea Urchin (Echinoid) Echinoidea
Owned by ILoveMyCatFreckles (@Freckles).
Notes
The specimen shows the characteristic five-fold radial symmetry (pentamerism) of an echinoid, likely a heart urchin or similar irregular echinoid, though it is heavily weathered or partially encased in matrix.
Details
Identification & Classification
- Fossil Type
- Other
- Fossil Category
- Invertebrate
- Taxonomic Group
- Echinoderm
- Phylogenetic Group
- Echinodermata
Geological Context
- Geological Era
- Mesozoic
- Geological Period
- Cretaceous
Locality
- Locality Type
- Unknown
Anatomy & Physical Traits
- Completeness
- Partial
- Symmetry
- Slightly Asymmetrical
- Sutures Visible
- No
- Eye Facets Visible
- No
Preservation & Preparation
- Preservation Quality
- Fair
- Matrix Type
- Limestone
- Preparation Level
- Unprepped
- Restoration %
- 0
Provenance & Collection
- Date Acquired
- Jun 6, 2026
- Acquisition Price
- $2.5
- Documentation Provided
- None
- Legal Status
- Legal to Own
- Display Status
- In Storage
- Collection ID
- bca5ea2e-56e6-43a3-80c1-5e9c5f507500
- Quantity
- 1
- Added Details
- The specimen shows the characteristic five-fold radial symmetry (pentamerism) of an echinoid, likely a heart urchin or similar irregular echinoid, though it is heavily weathered or partially encased in matrix.
Sea Urchin (Echinoid)
Sea Urchin (Echinoid)
Echinoidea
Fossil Type
Other
Fossil Category
Invertebrate
Taxonomic Group
Echinoderm
Phylogenetic Group
Echinodermata
Geological Context
Geological Era
Mesozoic
Geological Period
Cretaceous
Locality
Locality Type
Unknown
Anatomy & Physical Traits
Completeness
Partial
Symmetry
Slightly Asymmetrical
Sutures Visible
No
Eye Facets Visible
No
Preservation & Preparation
Preservation Quality
Fair
Matrix Type
Limestone
Preparation Level
Unprepped
Restoration %
0
Provenance & Collection
Date Acquired
Jun 6, 2026
Acquisition Price
$2.5
Legal Status
Legal to Own
Display Status
In Storage
Quantity
1
Documentation ProvidedNone
Collection IDbca5ea2e-56e6-43a3-80c1-5e9c5f507500
Added Details
The specimen shows the characteristic five-fold radial symmetry (pentamerism) of an echinoid, likely a heart urchin or similar irregular echinoid, though it is heavily weathered or partially encased in matrix.
Sea Urchin (Echinoid)
Echinoidea
Fossil Type
Other
Fossil Category
Invertebrate
Taxonomic Group
Echinoderm
Phylogenetic Group
Echinodermata
Added Details
The specimen shows the characteristic five-fold radial symmetry (pentamerism) of an echinoid, likely a heart urchin or similar irregular echinoid, though it is heavily weathered or partially encased in matrix.
Geological Context
Geological Era
Mesozoic
Geological Period
Cretaceous
Locality
Locality Type
Unknown
Anatomy & Physical Traits
Completeness
Partial
Symmetry
Slightly Asymmetrical
Sutures Visible
No
Eye Facets Visible
No
Preservation & Preparation
Preservation Quality
Fair
Matrix Type
Limestone
Preparation Level
Unprepped
Restoration %
0
Provenance & Collection
Date Acquired
Jun 6, 2026
Acquisition Price
$2.5
Legal Status
Legal to Own
Display Status
In Storage
Quantity
1
Documentation ProvidedNone
Collection IDbca5ea2e-56e6-43a3-80c1-5e9c5f507500