No. 96001646

fossilized sea urchin with distinctive shell plates and articular tubercles - Fossilised animal - Heterodiadema libycum - 7.9 cm - 7.6 cm
No. 96001646

fossilized sea urchin with distinctive shell plates and articular tubercles - Fossilised animal - Heterodiadema libycum - 7.9 cm - 7.6 cm
Unusual find from collection liquidation * exceptionally large sea urchin * Ø almost 8 cm
SYSTEMATICS:
Phylum: Echinoderms / Echinodermata
Class: Sea urchins / Echinoidea
Genus and species: Heterodiadema libycum
Discovery area: Saint Paul Section, Egypt
First described by: Agassiz and Desor 1846
Fossils from Egypt are rarely traded
ASSESSMENT:
Well-preserved shell of a regular sea urchin
- with regular fivefold radial symmetry
- clearly ellipsoidally flattened
- Ambulacralia and Interambulacralia are very clear
- the articular tubercles (warts) are strongly pronounced
- Housing plates with multiple warts are visible
SIZES:
Size: 7.9 x 7.6 x 3 cm
Weight: 205 grams
SHIPPING GUARANTEE:
Perfectly packed and insured, as a DHL premium package with tracking.
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