Specimen Name: Galeocerdo aduncus
Common Name: Tiger shark (extinct species)
Specimen Code: 06CHOND00045-52
Acquisition Method: Hand collected (May 2019)
Locale: Aurora Fossil Park, Aurora, North Carolina, USA
Formation: Yorktown Formation, Chesapeake Group
Geologic Time Period: Miocene Epoch
Taxonomy:
Eukarya – Animalia – Chordata – Chondrichthyes – Elasmobranchii – Selachimorpha – Carcharhiniformes – Carcharhinidae – Galeocerdo – Aduncus
Description of Each Specimen:
- Specimen 45: Tooth with dark enamel that lightens towards the tip, tip worn down with enamel chipping, pronounced serration on the right near the root – curve to the right
- Specimen 46: Tiny tooth with brown strip along the root, root is heavily worn and any serration at the base is gone – curve to the right
- Specimen 47: Tooth with grey enamel and a black stripe toward the root, tiny chip on upper left side and cusplet on the right – curves right
- Specimen 48: Tooth with bronze enamel and a black stripe along the root, brown root, pronounced serration on both sides – gentle curve to the left
- Specimen 49: Tooth with light tan enamel and a brown stripe along the root, large serrations at the right base bordering on cusplets – curve to the right
- Specimen 50: Tooth with grey enamel and a black stripe along the root, pronounced serrations on right side, slight warp at the tip (may be wear) – curve to the right
- Specimen 51: Tiny tooth with blue-grey enamel and a black stripe along root, curve to the left
- Specimen 52: Tooth with pale enamel that turns blue-black towards the root, light coloured root – curve to the right
Measurements of Each Specimen:
- Specimen 45: 20mm x 17mm x 1.5mm
- Specimen 46: 18mm x 16mm x 6mm
- Specimen 47: 18mm x 17mm x 1mm
- Specimen 48: 17mm x 14mm x 2mm
- Specimen 49: 17mm x 15mm x 1.5mm
- Specimen 50: 15mm x 15mm x 4mm
- Specimen 51: 15mm x 14mm x 2mm
- Specimen 52: 15mm x 15mm x 1mm
The Fossil Ark 